[2.10.0] Add agent-native reviewer and architecture skill
- Add agent-native-reviewer agent to verify features are agent-accessible - Add agent-native-architecture skill for prompt-native design patterns - Add agent-native-reviewer to /review command parallel agents - Move agent-native skill to correct plugin folder - Update component counts (25 agents, 12 skills) - Include mermaid dark mode fix from PR #45 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Kieran Klaassen
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<overview>
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Architectural patterns for building prompt-native agent systems. These patterns emerge from the philosophy that features should be defined in prompts, not code, and that tools should be primitives.
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</overview>
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<pattern name="event-driven-agent">
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## Event-Driven Agent Architecture
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The agent runs as a long-lived process that responds to events. Events become prompts.
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```
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┌─────────────────────────────────────────────────────────────┐
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│ Agent Loop │
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├─────────────────────────────────────────────────────────────┤
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│ Event Source → Agent (Claude) → Tool Calls → Response │
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└─────────────────────────────────────────────────────────────┘
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│
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┌───────────────┼───────────────┐
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▼ ▼ ▼
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┌─────────┐ ┌──────────┐ ┌───────────┐
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│ Content │ │ Self │ │ Data │
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│ Tools │ │ Tools │ │ Tools │
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└─────────┘ └──────────┘ └───────────┘
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(write_file) (read_source) (store_item)
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(restart) (list_items)
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```
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**Key characteristics:**
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- Events (messages, webhooks, timers) trigger agent turns
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- Agent decides how to respond based on system prompt
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- Tools are primitives for IO, not business logic
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- State persists between events via data tools
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**Example: Discord feedback bot**
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```typescript
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// Event source
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client.on("messageCreate", (message) => {
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if (!message.author.bot) {
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runAgent({
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userMessage: `New message from ${message.author}: "${message.content}"`,
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channelId: message.channelId,
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});
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}
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});
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// System prompt defines behavior
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const systemPrompt = `
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When someone shares feedback:
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1. Acknowledge their feedback warmly
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2. Ask clarifying questions if needed
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3. Store it using the feedback tools
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4. Update the feedback site
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Use your judgment about importance and categorization.
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`;
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```
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</pattern>
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<pattern name="two-layer-git">
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## Two-Layer Git Architecture
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For self-modifying agents, separate code (shared) from data (instance-specific).
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```
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┌─────────────────────────────────────────────────────────────┐
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│ GitHub (shared repo) │
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│ - src/ (agent code) │
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│ - site/ (web interface) │
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│ - package.json (dependencies) │
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│ - .gitignore (excludes data/, logs/) │
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└─────────────────────────────────────────────────────────────┘
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│
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git clone
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│
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▼
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┌─────────────────────────────────────────────────────────────┐
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│ Instance (Server) │
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│ │
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│ FROM GITHUB (tracked): │
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│ - src/ → pushed back on code changes │
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│ - site/ → pushed, triggers deployment │
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│ │
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│ LOCAL ONLY (untracked): │
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│ - data/ → instance-specific storage │
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│ - logs/ → runtime logs │
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│ - .env → secrets │
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└─────────────────────────────────────────────────────────────┘
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```
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**Why this works:**
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- Code and site are version controlled (GitHub)
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- Raw data stays local (instance-specific)
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- Site is generated from data, so reproducible
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- Automatic rollback via git history
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</pattern>
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<pattern name="multi-instance">
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## Multi-Instance Branching
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Each agent instance gets its own branch while sharing core code.
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```
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main # Shared features, bug fixes
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├── instance/feedback-bot # Every Reader feedback bot
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├── instance/support-bot # Customer support bot
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└── instance/research-bot # Research assistant
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```
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**Change flow:**
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| Change Type | Work On | Then |
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|-------------|---------|------|
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| Core features | main | Merge to instance branches |
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| Bug fixes | main | Merge to instance branches |
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| Instance config | instance branch | Done |
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| Instance data | instance branch | Done |
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**Sync tools:**
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```typescript
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tool("self_deploy", "Pull latest from main, rebuild, restart", ...)
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tool("sync_from_instance", "Merge from another instance", ...)
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tool("propose_to_main", "Create PR to share improvements", ...)
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```
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</pattern>
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<pattern name="site-as-output">
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## Site as Agent Output
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The agent generates and maintains a website as a natural output, not through specialized site tools.
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```
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Discord Message
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↓
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Agent processes it, extracts insights
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↓
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Agent decides what site updates are needed
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↓
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Agent writes files using write_file primitive
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↓
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Git commit + push triggers deployment
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↓
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Site updates automatically
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```
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**Key insight:** Don't build site generation tools. Give the agent file tools and teach it in the prompt how to create good sites.
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```markdown
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## Site Management
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You maintain a public feedback site. When feedback comes in:
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1. Use write_file to update site/public/content/feedback.json
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2. If the site's React components need improvement, modify them
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3. Commit changes and push to trigger Vercel deploy
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The site should be:
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- Clean, modern dashboard aesthetic
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- Clear visual hierarchy
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- Status organization (Inbox, Active, Done)
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You decide the structure. Make it good.
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```
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</pattern>
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<pattern name="approval-gates">
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## Approval Gates Pattern
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Separate "propose" from "apply" for dangerous operations.
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```typescript
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// Pending changes stored separately
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const pendingChanges = new Map<string, string>();
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tool("write_file", async ({ path, content }) => {
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if (requiresApproval(path)) {
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// Store for approval
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pendingChanges.set(path, content);
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const diff = generateDiff(path, content);
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return {
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text: `Change requires approval.\n\n${diff}\n\nReply "yes" to apply.`
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};
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} else {
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// Apply immediately
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writeFileSync(path, content);
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return { text: `Wrote ${path}` };
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}
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});
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tool("apply_pending", async () => {
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for (const [path, content] of pendingChanges) {
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writeFileSync(path, content);
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}
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pendingChanges.clear();
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return { text: "Applied all pending changes" };
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});
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```
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**What requires approval:**
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- src/*.ts (agent code)
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- package.json (dependencies)
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- system prompt changes
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**What doesn't:**
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- data/* (instance data)
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- site/* (generated content)
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- docs/* (documentation)
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</pattern>
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<design_questions>
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## Questions to Ask When Designing
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1. **What events trigger agent turns?** (messages, webhooks, timers, user requests)
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2. **What primitives does the agent need?** (read, write, call API, restart)
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3. **What decisions should the agent make?** (format, structure, priority, action)
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4. **What decisions should be hardcoded?** (security boundaries, approval requirements)
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5. **How does the agent verify its work?** (health checks, build verification)
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6. **How does the agent recover from mistakes?** (git rollback, approval gates)
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</design_questions>
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@@ -0,0 +1,316 @@
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<overview>
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How to design MCP tools following prompt-native principles. Tools should be primitives that enable capability, not workflows that encode decisions.
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**Core principle:** Whatever a user can do, the agent should be able to do. Don't artificially limit the agent—give it the same primitives a power user would have.
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</overview>
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<principle name="primitives-not-workflows">
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## Tools Are Primitives, Not Workflows
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**Wrong approach:** Tools that encode business logic
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```typescript
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tool("process_feedback", {
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feedback: z.string(),
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category: z.enum(["bug", "feature", "question"]),
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priority: z.enum(["low", "medium", "high"]),
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}, async ({ feedback, category, priority }) => {
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// Tool decides how to process
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const processed = categorize(feedback);
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const stored = await saveToDatabase(processed);
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const notification = await notify(priority);
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return { processed, stored, notification };
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});
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```
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**Right approach:** Primitives that enable any workflow
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```typescript
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tool("store_item", {
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key: z.string(),
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value: z.any(),
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}, async ({ key, value }) => {
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await db.set(key, value);
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return { text: `Stored ${key}` };
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});
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tool("send_message", {
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channel: z.string(),
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content: z.string(),
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}, async ({ channel, content }) => {
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await messenger.send(channel, content);
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return { text: "Sent" };
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});
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```
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The agent decides categorization, priority, and when to notify based on the system prompt.
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</principle>
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<principle name="descriptive-names">
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## Tools Should Have Descriptive, Primitive Names
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Names should describe the capability, not the use case:
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| Wrong | Right |
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|-------|-------|
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| `process_user_feedback` | `store_item` |
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| `create_feedback_summary` | `write_file` |
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| `send_notification` | `send_message` |
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| `deploy_to_production` | `git_push` |
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The prompt tells the agent *when* to use primitives. The tool just provides *capability*.
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</principle>
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<principle name="simple-inputs">
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## Inputs Should Be Simple
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Tools accept data. They don't accept decisions.
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**Wrong:** Tool accepts decisions
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```typescript
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tool("format_content", {
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content: z.string(),
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format: z.enum(["markdown", "html", "json"]),
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style: z.enum(["formal", "casual", "technical"]),
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}, ...)
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```
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**Right:** Tool accepts data, agent decides format
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```typescript
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tool("write_file", {
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path: z.string(),
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content: z.string(),
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}, ...)
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// Agent decides to write index.html with HTML content, or data.json with JSON
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```
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</principle>
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<principle name="rich-outputs">
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## Outputs Should Be Rich
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Return enough information for the agent to verify and iterate.
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**Wrong:** Minimal output
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```typescript
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async ({ key }) => {
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await db.delete(key);
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return { text: "Deleted" };
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}
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```
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**Right:** Rich output
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```typescript
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async ({ key }) => {
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const existed = await db.has(key);
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if (!existed) {
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return { text: `Key ${key} did not exist` };
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}
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await db.delete(key);
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return { text: `Deleted ${key}. ${await db.count()} items remaining.` };
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}
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```
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</principle>
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<design_template>
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## Tool Design Template
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```typescript
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import { createSdkMcpServer, tool } from "@anthropic-ai/claude-agent-sdk";
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import { z } from "zod";
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export const serverName = createSdkMcpServer({
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name: "server-name",
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version: "1.0.0",
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tools: [
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// READ operations
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tool(
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"read_item",
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"Read an item by key",
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{ key: z.string().describe("Item key") },
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async ({ key }) => {
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const item = await storage.get(key);
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return {
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content: [{
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type: "text",
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text: item ? JSON.stringify(item, null, 2) : `Not found: ${key}`,
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}],
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isError: !item,
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};
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}
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),
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tool(
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"list_items",
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"List all items, optionally filtered",
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{
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prefix: z.string().optional().describe("Filter by key prefix"),
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limit: z.number().default(100).describe("Max items"),
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},
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async ({ prefix, limit }) => {
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const items = await storage.list({ prefix, limit });
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return {
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content: [{
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type: "text",
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text: `Found ${items.length} items:\n${items.map(i => i.key).join("\n")}`,
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}],
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};
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}
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),
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// WRITE operations
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tool(
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"store_item",
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"Store an item",
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{
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key: z.string().describe("Item key"),
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value: z.any().describe("Item data"),
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},
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async ({ key, value }) => {
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await storage.set(key, value);
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return {
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content: [{ type: "text", text: `Stored ${key}` }],
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};
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}
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),
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tool(
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"delete_item",
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"Delete an item",
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{ key: z.string().describe("Item key") },
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async ({ key }) => {
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const existed = await storage.delete(key);
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return {
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content: [{
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type: "text",
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text: existed ? `Deleted ${key}` : `${key} did not exist`,
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}],
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};
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}
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),
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// EXTERNAL operations
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tool(
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"call_api",
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"Make an HTTP request",
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{
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url: z.string().url(),
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method: z.enum(["GET", "POST", "PUT", "DELETE"]).default("GET"),
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body: z.any().optional(),
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},
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async ({ url, method, body }) => {
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const response = await fetch(url, { method, body: JSON.stringify(body) });
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const text = await response.text();
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return {
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content: [{
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type: "text",
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text: `${response.status} ${response.statusText}\n\n${text}`,
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}],
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isError: !response.ok,
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};
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}
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),
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],
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});
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```
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</design_template>
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<example name="feedback-server">
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## Example: Feedback Storage Server
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This server provides primitives for storing feedback. It does NOT decide how to categorize or organize feedback—that's the agent's job via the prompt.
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```typescript
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export const feedbackMcpServer = createSdkMcpServer({
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name: "feedback",
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version: "1.0.0",
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tools: [
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tool(
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"store_feedback",
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"Store a feedback item",
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{
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item: z.object({
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id: z.string(),
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author: z.string(),
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content: z.string(),
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importance: z.number().min(1).max(5),
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timestamp: z.string(),
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status: z.string().optional(),
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urls: z.array(z.string()).optional(),
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metadata: z.any().optional(),
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}).describe("Feedback item"),
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},
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async ({ item }) => {
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await db.feedback.insert(item);
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return {
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content: [{
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type: "text",
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text: `Stored feedback ${item.id} from ${item.author}`,
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}],
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||||
};
|
||||
}
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),
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tool(
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"list_feedback",
|
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"List feedback items",
|
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{
|
||||
limit: z.number().default(50),
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status: z.string().optional(),
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||||
},
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||||
async ({ limit, status }) => {
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const items = await db.feedback.list({ limit, status });
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return {
|
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content: [{
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||||
type: "text",
|
||||
text: JSON.stringify(items, null, 2),
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||||
}],
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||||
};
|
||||
}
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||||
),
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||||
tool(
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||||
"update_feedback",
|
||||
"Update a feedback item",
|
||||
{
|
||||
id: z.string(),
|
||||
updates: z.object({
|
||||
status: z.string().optional(),
|
||||
importance: z.number().optional(),
|
||||
metadata: z.any().optional(),
|
||||
}),
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||||
},
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||||
async ({ id, updates }) => {
|
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await db.feedback.update(id, updates);
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||||
return {
|
||||
content: [{ type: "text", text: `Updated ${id}` }],
|
||||
};
|
||||
}
|
||||
),
|
||||
],
|
||||
});
|
||||
```
|
||||
|
||||
The system prompt then tells the agent *how* to use these primitives:
|
||||
|
||||
```markdown
|
||||
## Feedback Processing
|
||||
|
||||
When someone shares feedback:
|
||||
1. Extract author, content, and any URLs
|
||||
2. Rate importance 1-5 based on actionability
|
||||
3. Store using feedback.store_feedback
|
||||
4. If high importance (4-5), notify the channel
|
||||
|
||||
Use your judgment about importance ratings.
|
||||
```
|
||||
</example>
|
||||
|
||||
<checklist>
|
||||
## MCP Tool Design Checklist
|
||||
|
||||
- [ ] Tool names describe capability, not use case
|
||||
- [ ] Inputs are data, not decisions
|
||||
- [ ] Outputs are rich (enough for agent to verify)
|
||||
- [ ] CRUD operations are separate tools (not one mega-tool)
|
||||
- [ ] No business logic in tool implementations
|
||||
- [ ] Error states clearly communicated via `isError`
|
||||
- [ ] Descriptions explain what the tool does, not when to use it
|
||||
</checklist>
|
||||
@@ -0,0 +1,317 @@
|
||||
<overview>
|
||||
How to refactor existing agent code to follow prompt-native principles. The goal: move behavior from code into prompts, and simplify tools into primitives.
|
||||
</overview>
|
||||
|
||||
<diagnosis>
|
||||
## Diagnosing Non-Prompt-Native Code
|
||||
|
||||
Signs your agent isn't prompt-native:
|
||||
|
||||
**Tools that encode workflows:**
|
||||
```typescript
|
||||
// RED FLAG: Tool contains business logic
|
||||
tool("process_feedback", async ({ message }) => {
|
||||
const category = categorize(message); // Logic in code
|
||||
const priority = calculatePriority(message); // Logic in code
|
||||
await store(message, category, priority); // Orchestration in code
|
||||
if (priority > 3) await notify(); // Decision in code
|
||||
});
|
||||
```
|
||||
|
||||
**Agent calls functions instead of figuring things out:**
|
||||
```typescript
|
||||
// RED FLAG: Agent is just a function caller
|
||||
"Use process_feedback to handle incoming messages"
|
||||
// vs.
|
||||
"When feedback comes in, decide importance, store it, notify if high"
|
||||
```
|
||||
|
||||
**Artificial limits on agent capability:**
|
||||
```typescript
|
||||
// RED FLAG: Tool prevents agent from doing what users can do
|
||||
tool("read_file", async ({ path }) => {
|
||||
if (!ALLOWED_PATHS.includes(path)) {
|
||||
throw new Error("Not allowed to read this file");
|
||||
}
|
||||
return readFile(path);
|
||||
});
|
||||
```
|
||||
|
||||
**Prompts that specify HOW instead of WHAT:**
|
||||
```markdown
|
||||
// RED FLAG: Micromanaging the agent
|
||||
When creating a summary:
|
||||
1. Use exactly 3 bullet points
|
||||
2. Each bullet must be under 20 words
|
||||
3. Format with em-dashes for sub-points
|
||||
4. Bold the first word of each bullet
|
||||
```
|
||||
</diagnosis>
|
||||
|
||||
<refactoring_workflow>
|
||||
## Step-by-Step Refactoring
|
||||
|
||||
**Step 1: Identify workflow tools**
|
||||
|
||||
List all your tools. Mark any that:
|
||||
- Have business logic (categorize, calculate, decide)
|
||||
- Orchestrate multiple operations
|
||||
- Make decisions on behalf of the agent
|
||||
- Contain conditional logic (if/else based on content)
|
||||
|
||||
**Step 2: Extract the primitives**
|
||||
|
||||
For each workflow tool, identify the underlying primitives:
|
||||
|
||||
| Workflow Tool | Hidden Primitives |
|
||||
|---------------|-------------------|
|
||||
| `process_feedback` | `store_item`, `send_message` |
|
||||
| `generate_report` | `read_file`, `write_file` |
|
||||
| `deploy_and_notify` | `git_push`, `send_message` |
|
||||
|
||||
**Step 3: Move behavior to the prompt**
|
||||
|
||||
Take the logic from your workflow tools and express it in natural language:
|
||||
|
||||
```typescript
|
||||
// Before (in code):
|
||||
async function processFeedback(message) {
|
||||
const priority = message.includes("crash") ? 5 :
|
||||
message.includes("bug") ? 4 : 3;
|
||||
await store(message, priority);
|
||||
if (priority >= 4) await notify();
|
||||
}
|
||||
```
|
||||
|
||||
```markdown
|
||||
// After (in prompt):
|
||||
## Feedback Processing
|
||||
|
||||
When someone shares feedback:
|
||||
1. Rate importance 1-5:
|
||||
- 5: Crashes, data loss, security issues
|
||||
- 4: Bug reports with clear reproduction steps
|
||||
- 3: General suggestions, minor issues
|
||||
2. Store using store_item
|
||||
3. If importance >= 4, notify the team
|
||||
|
||||
Use your judgment. Context matters more than keywords.
|
||||
```
|
||||
|
||||
**Step 4: Simplify tools to primitives**
|
||||
|
||||
```typescript
|
||||
// Before: 1 workflow tool
|
||||
tool("process_feedback", { message, category, priority }, ...complex logic...)
|
||||
|
||||
// After: 2 primitive tools
|
||||
tool("store_item", { key: z.string(), value: z.any() }, ...simple storage...)
|
||||
tool("send_message", { channel: z.string(), content: z.string() }, ...simple send...)
|
||||
```
|
||||
|
||||
**Step 5: Remove artificial limits**
|
||||
|
||||
```typescript
|
||||
// Before: Limited capability
|
||||
tool("read_file", async ({ path }) => {
|
||||
if (!isAllowed(path)) throw new Error("Forbidden");
|
||||
return readFile(path);
|
||||
});
|
||||
|
||||
// After: Full capability
|
||||
tool("read_file", async ({ path }) => {
|
||||
return readFile(path); // Agent can read anything
|
||||
});
|
||||
// Use approval gates for WRITES, not artificial limits on READS
|
||||
```
|
||||
|
||||
**Step 6: Test with outcomes, not procedures**
|
||||
|
||||
Instead of testing "does it call the right function?", test "does it achieve the outcome?"
|
||||
|
||||
```typescript
|
||||
// Before: Testing procedure
|
||||
expect(mockProcessFeedback).toHaveBeenCalledWith(...)
|
||||
|
||||
// After: Testing outcome
|
||||
// Send feedback → Check it was stored with reasonable importance
|
||||
// Send high-priority feedback → Check notification was sent
|
||||
```
|
||||
</refactoring_workflow>
|
||||
|
||||
<before_after>
|
||||
## Before/After Examples
|
||||
|
||||
**Example 1: Feedback Processing**
|
||||
|
||||
Before:
|
||||
```typescript
|
||||
tool("handle_feedback", async ({ message, author }) => {
|
||||
const category = detectCategory(message);
|
||||
const priority = calculatePriority(message, category);
|
||||
const feedbackId = await db.feedback.insert({
|
||||
id: generateId(),
|
||||
author,
|
||||
message,
|
||||
category,
|
||||
priority,
|
||||
timestamp: new Date().toISOString(),
|
||||
});
|
||||
|
||||
if (priority >= 4) {
|
||||
await discord.send(ALERT_CHANNEL, `High priority feedback from ${author}`);
|
||||
}
|
||||
|
||||
return { feedbackId, category, priority };
|
||||
});
|
||||
```
|
||||
|
||||
After:
|
||||
```typescript
|
||||
// Simple storage primitive
|
||||
tool("store_feedback", async ({ item }) => {
|
||||
await db.feedback.insert(item);
|
||||
return { text: `Stored feedback ${item.id}` };
|
||||
});
|
||||
|
||||
// Simple message primitive
|
||||
tool("send_message", async ({ channel, content }) => {
|
||||
await discord.send(channel, content);
|
||||
return { text: "Sent" };
|
||||
});
|
||||
```
|
||||
|
||||
System prompt:
|
||||
```markdown
|
||||
## Feedback Processing
|
||||
|
||||
When someone shares feedback:
|
||||
1. Generate a unique ID
|
||||
2. Rate importance 1-5 based on impact and urgency
|
||||
3. Store using store_feedback with the full item
|
||||
4. If importance >= 4, send a notification to the team channel
|
||||
|
||||
Importance guidelines:
|
||||
- 5: Critical (crashes, data loss, security)
|
||||
- 4: High (detailed bug reports, blocking issues)
|
||||
- 3: Medium (suggestions, minor bugs)
|
||||
- 2: Low (cosmetic, edge cases)
|
||||
- 1: Minimal (off-topic, duplicates)
|
||||
```
|
||||
|
||||
**Example 2: Report Generation**
|
||||
|
||||
Before:
|
||||
```typescript
|
||||
tool("generate_weekly_report", async ({ startDate, endDate, format }) => {
|
||||
const data = await fetchMetrics(startDate, endDate);
|
||||
const summary = summarizeMetrics(data);
|
||||
const charts = generateCharts(data);
|
||||
|
||||
if (format === "html") {
|
||||
return renderHtmlReport(summary, charts);
|
||||
} else if (format === "markdown") {
|
||||
return renderMarkdownReport(summary, charts);
|
||||
} else {
|
||||
return renderPdfReport(summary, charts);
|
||||
}
|
||||
});
|
||||
```
|
||||
|
||||
After:
|
||||
```typescript
|
||||
tool("query_metrics", async ({ start, end }) => {
|
||||
const data = await db.metrics.query({ start, end });
|
||||
return { text: JSON.stringify(data, null, 2) };
|
||||
});
|
||||
|
||||
tool("write_file", async ({ path, content }) => {
|
||||
writeFileSync(path, content);
|
||||
return { text: `Wrote ${path}` };
|
||||
});
|
||||
```
|
||||
|
||||
System prompt:
|
||||
```markdown
|
||||
## Report Generation
|
||||
|
||||
When asked to generate a report:
|
||||
1. Query the relevant metrics using query_metrics
|
||||
2. Analyze the data and identify key trends
|
||||
3. Create a clear, well-formatted report
|
||||
4. Write it using write_file in the appropriate format
|
||||
|
||||
Use your judgment about format and structure. Make it useful.
|
||||
```
|
||||
</before_after>
|
||||
|
||||
<common_challenges>
|
||||
## Common Refactoring Challenges
|
||||
|
||||
**"But the agent might make mistakes!"**
|
||||
|
||||
Yes, and you can iterate. Change the prompt to add guidance:
|
||||
```markdown
|
||||
// Before
|
||||
Rate importance 1-5.
|
||||
|
||||
// After (if agent keeps rating too high)
|
||||
Rate importance 1-5. Be conservative—most feedback is 2-3.
|
||||
Only use 4-5 for truly blocking or critical issues.
|
||||
```
|
||||
|
||||
**"The workflow is complex!"**
|
||||
|
||||
Complex workflows can still be expressed in prompts. The agent is smart.
|
||||
```markdown
|
||||
When processing video feedback:
|
||||
1. Check if it's a Loom, YouTube, or direct link
|
||||
2. For YouTube, pass URL directly to video analysis
|
||||
3. For others, download first, then analyze
|
||||
4. Extract timestamped issues
|
||||
5. Rate based on issue density and severity
|
||||
```
|
||||
|
||||
**"We need deterministic behavior!"**
|
||||
|
||||
Some operations should stay in code. That's fine. Prompt-native isn't all-or-nothing.
|
||||
|
||||
Keep in code:
|
||||
- Security validation
|
||||
- Rate limiting
|
||||
- Audit logging
|
||||
- Exact format requirements
|
||||
|
||||
Move to prompts:
|
||||
- Categorization decisions
|
||||
- Priority judgments
|
||||
- Content generation
|
||||
- Workflow orchestration
|
||||
|
||||
**"What about testing?"**
|
||||
|
||||
Test outcomes, not procedures:
|
||||
- "Given this input, does the agent achieve the right result?"
|
||||
- "Does stored feedback have reasonable importance ratings?"
|
||||
- "Are notifications sent for truly high-priority items?"
|
||||
</common_challenges>
|
||||
|
||||
<checklist>
|
||||
## Refactoring Checklist
|
||||
|
||||
Diagnosis:
|
||||
- [ ] Listed all tools with business logic
|
||||
- [ ] Identified artificial limits on agent capability
|
||||
- [ ] Found prompts that micromanage HOW
|
||||
|
||||
Refactoring:
|
||||
- [ ] Extracted primitives from workflow tools
|
||||
- [ ] Moved business logic to system prompt
|
||||
- [ ] Removed artificial limits
|
||||
- [ ] Simplified tool inputs to data, not decisions
|
||||
|
||||
Validation:
|
||||
- [ ] Agent achieves same outcomes with primitives
|
||||
- [ ] Behavior can be changed by editing prompts
|
||||
- [ ] New features could be added without new tools
|
||||
</checklist>
|
||||
@@ -0,0 +1,269 @@
|
||||
<overview>
|
||||
Self-modification is the advanced tier of agent native engineering: agents that can evolve their own code, prompts, and behavior. Not required for every app, but a big part of the future.
|
||||
|
||||
This is the logical extension of "whatever the developer can do, the agent can do."
|
||||
</overview>
|
||||
|
||||
<why_self_modification>
|
||||
## Why Self-Modification?
|
||||
|
||||
Traditional software is static—it does what you wrote, nothing more. Self-modifying agents can:
|
||||
|
||||
- **Fix their own bugs** - See an error, patch the code, restart
|
||||
- **Add new capabilities** - User asks for something new, agent implements it
|
||||
- **Evolve behavior** - Learn from feedback and adjust prompts
|
||||
- **Deploy themselves** - Push code, trigger builds, restart
|
||||
|
||||
The agent becomes a living system that improves over time, not frozen code.
|
||||
</why_self_modification>
|
||||
|
||||
<capabilities>
|
||||
## What Self-Modification Enables
|
||||
|
||||
**Code modification:**
|
||||
- Read and understand source files
|
||||
- Write fixes and new features
|
||||
- Commit and push to version control
|
||||
- Trigger builds and verify they pass
|
||||
|
||||
**Prompt evolution:**
|
||||
- Edit the system prompt based on feedback
|
||||
- Add new features as prompt sections
|
||||
- Refine judgment criteria that aren't working
|
||||
|
||||
**Infrastructure control:**
|
||||
- Pull latest code from upstream
|
||||
- Merge from other branches/instances
|
||||
- Restart after changes
|
||||
- Roll back if something breaks
|
||||
|
||||
**Site/output generation:**
|
||||
- Generate and maintain websites
|
||||
- Create documentation
|
||||
- Build dashboards from data
|
||||
</capabilities>
|
||||
|
||||
<guardrails>
|
||||
## Required Guardrails
|
||||
|
||||
Self-modification is powerful. It needs safety mechanisms.
|
||||
|
||||
**Approval gates for code changes:**
|
||||
```typescript
|
||||
tool("write_file", async ({ path, content }) => {
|
||||
if (isCodeFile(path)) {
|
||||
// Store for approval, don't apply immediately
|
||||
pendingChanges.set(path, content);
|
||||
const diff = generateDiff(path, content);
|
||||
return { text: `Requires approval:\n\n${diff}\n\nReply "yes" to apply.` };
|
||||
}
|
||||
// Non-code files apply immediately
|
||||
writeFileSync(path, content);
|
||||
return { text: `Wrote ${path}` };
|
||||
});
|
||||
```
|
||||
|
||||
**Auto-commit before changes:**
|
||||
```typescript
|
||||
tool("self_deploy", async () => {
|
||||
// Save current state first
|
||||
runGit("stash"); // or commit uncommitted changes
|
||||
|
||||
// Then pull/merge
|
||||
runGit("fetch origin");
|
||||
runGit("merge origin/main --no-edit");
|
||||
|
||||
// Build and verify
|
||||
runCommand("npm run build");
|
||||
|
||||
// Only then restart
|
||||
scheduleRestart();
|
||||
});
|
||||
```
|
||||
|
||||
**Build verification:**
|
||||
```typescript
|
||||
// Don't restart unless build passes
|
||||
try {
|
||||
runCommand("npm run build", { timeout: 120000 });
|
||||
} catch (error) {
|
||||
// Rollback the merge
|
||||
runGit("merge --abort");
|
||||
return { text: "Build failed, aborting deploy", isError: true };
|
||||
}
|
||||
```
|
||||
|
||||
**Health checks after restart:**
|
||||
```typescript
|
||||
tool("health_check", async () => {
|
||||
const uptime = process.uptime();
|
||||
const buildValid = existsSync("dist/index.js");
|
||||
const gitClean = !runGit("status --porcelain");
|
||||
|
||||
return {
|
||||
text: JSON.stringify({
|
||||
status: "healthy",
|
||||
uptime: `${Math.floor(uptime / 60)}m`,
|
||||
build: buildValid ? "valid" : "missing",
|
||||
git: gitClean ? "clean" : "uncommitted changes",
|
||||
}, null, 2),
|
||||
};
|
||||
});
|
||||
```
|
||||
</guardrails>
|
||||
|
||||
<git_architecture>
|
||||
## Git-Based Self-Modification
|
||||
|
||||
Use git as the foundation for self-modification. It provides:
|
||||
- Version history (rollback capability)
|
||||
- Branching (experiment safely)
|
||||
- Merge (sync with other instances)
|
||||
- Push/pull (deploy and collaborate)
|
||||
|
||||
**Essential git tools:**
|
||||
```typescript
|
||||
tool("status", "Show git status", {}, ...);
|
||||
tool("diff", "Show file changes", { path: z.string().optional() }, ...);
|
||||
tool("log", "Show commit history", { count: z.number() }, ...);
|
||||
tool("commit_code", "Commit code changes", { message: z.string() }, ...);
|
||||
tool("git_push", "Push to GitHub", { branch: z.string().optional() }, ...);
|
||||
tool("pull", "Pull from GitHub", { source: z.enum(["main", "instance"]) }, ...);
|
||||
tool("rollback", "Revert recent commits", { commits: z.number() }, ...);
|
||||
```
|
||||
|
||||
**Multi-instance architecture:**
|
||||
```
|
||||
main # Shared code
|
||||
├── instance/bot-a # Instance A's branch
|
||||
├── instance/bot-b # Instance B's branch
|
||||
└── instance/bot-c # Instance C's branch
|
||||
```
|
||||
|
||||
Each instance can:
|
||||
- Pull updates from main
|
||||
- Push improvements back to main (via PR)
|
||||
- Sync features from other instances
|
||||
- Maintain instance-specific config
|
||||
</git_architecture>
|
||||
|
||||
<prompt_evolution>
|
||||
## Self-Modifying Prompts
|
||||
|
||||
The system prompt is a file the agent can read and write.
|
||||
|
||||
```typescript
|
||||
// Agent can read its own prompt
|
||||
tool("read_file", ...); // Can read src/prompts/system.md
|
||||
|
||||
// Agent can propose changes
|
||||
tool("write_file", ...); // Can write to src/prompts/system.md (with approval)
|
||||
```
|
||||
|
||||
**System prompt as living document:**
|
||||
```markdown
|
||||
## Feedback Processing
|
||||
|
||||
When someone shares feedback:
|
||||
1. Acknowledge warmly
|
||||
2. Rate importance 1-5
|
||||
3. Store using feedback tools
|
||||
|
||||
<!-- Note to self: Video walkthroughs should always be 4-5,
|
||||
learned this from Dan's feedback on 2024-12-07 -->
|
||||
```
|
||||
|
||||
The agent can:
|
||||
- Add notes to itself
|
||||
- Refine judgment criteria
|
||||
- Add new feature sections
|
||||
- Document edge cases it learned
|
||||
</prompt_evolution>
|
||||
|
||||
<when_to_use>
|
||||
## When to Implement Self-Modification
|
||||
|
||||
**Good candidates:**
|
||||
- Long-running autonomous agents
|
||||
- Agents that need to adapt to feedback
|
||||
- Systems where behavior evolution is valuable
|
||||
- Internal tools where rapid iteration matters
|
||||
|
||||
**Not necessary for:**
|
||||
- Simple single-task agents
|
||||
- Highly regulated environments
|
||||
- Systems where behavior must be auditable
|
||||
- One-off or short-lived agents
|
||||
|
||||
Start with a non-self-modifying prompt-native agent. Add self-modification when you need it.
|
||||
</when_to_use>
|
||||
|
||||
<example_tools>
|
||||
## Complete Self-Modification Toolset
|
||||
|
||||
```typescript
|
||||
const selfMcpServer = createSdkMcpServer({
|
||||
name: "self",
|
||||
version: "1.0.0",
|
||||
tools: [
|
||||
// FILE OPERATIONS
|
||||
tool("read_file", "Read any project file", { path: z.string() }, ...),
|
||||
tool("write_file", "Write a file (code requires approval)", { path, content }, ...),
|
||||
tool("list_files", "List directory contents", { path: z.string() }, ...),
|
||||
tool("search_code", "Search for patterns", { pattern: z.string() }, ...),
|
||||
|
||||
// APPROVAL WORKFLOW
|
||||
tool("apply_pending", "Apply approved changes", {}, ...),
|
||||
tool("get_pending", "Show pending changes", {}, ...),
|
||||
tool("clear_pending", "Discard pending changes", {}, ...),
|
||||
|
||||
// RESTART
|
||||
tool("restart", "Rebuild and restart", {}, ...),
|
||||
tool("health_check", "Check if bot is healthy", {}, ...),
|
||||
],
|
||||
});
|
||||
|
||||
const gitMcpServer = createSdkMcpServer({
|
||||
name: "git",
|
||||
version: "1.0.0",
|
||||
tools: [
|
||||
// STATUS
|
||||
tool("status", "Show git status", {}, ...),
|
||||
tool("diff", "Show changes", { path: z.string().optional() }, ...),
|
||||
tool("log", "Show history", { count: z.number() }, ...),
|
||||
|
||||
// COMMIT & PUSH
|
||||
tool("commit_code", "Commit code changes", { message: z.string() }, ...),
|
||||
tool("git_push", "Push to GitHub", { branch: z.string().optional() }, ...),
|
||||
|
||||
// SYNC
|
||||
tool("pull", "Pull from upstream", { source: z.enum(["main", "instance"]) }, ...),
|
||||
tool("self_deploy", "Pull, build, restart", { source: z.enum(["main", "instance"]) }, ...),
|
||||
|
||||
// SAFETY
|
||||
tool("rollback", "Revert commits", { commits: z.number() }, ...),
|
||||
tool("health_check", "Detailed health report", {}, ...),
|
||||
],
|
||||
});
|
||||
```
|
||||
</example_tools>
|
||||
|
||||
<checklist>
|
||||
## Self-Modification Checklist
|
||||
|
||||
Before enabling self-modification:
|
||||
- [ ] Git-based version control set up
|
||||
- [ ] Approval gates for code changes
|
||||
- [ ] Build verification before restart
|
||||
- [ ] Rollback mechanism available
|
||||
- [ ] Health check endpoint
|
||||
- [ ] Instance identity configured
|
||||
|
||||
When implementing:
|
||||
- [ ] Agent can read all project files
|
||||
- [ ] Agent can write files (with appropriate approval)
|
||||
- [ ] Agent can commit and push
|
||||
- [ ] Agent can pull updates
|
||||
- [ ] Agent can restart itself
|
||||
- [ ] Agent can roll back if needed
|
||||
</checklist>
|
||||
@@ -0,0 +1,250 @@
|
||||
<overview>
|
||||
How to write system prompts for prompt-native agents. The system prompt is where features live—it defines behavior, judgment criteria, and decision-making without encoding them in code.
|
||||
</overview>
|
||||
|
||||
<principle name="features-in-prompts">
|
||||
## Features Are Prompt Sections
|
||||
|
||||
Each feature is a section of the system prompt that tells the agent how to behave.
|
||||
|
||||
**Traditional approach:** Feature = function in codebase
|
||||
```typescript
|
||||
function processFeedback(message) {
|
||||
const category = categorize(message);
|
||||
const priority = calculatePriority(message);
|
||||
await store(message, category, priority);
|
||||
if (priority > 3) await notify();
|
||||
}
|
||||
```
|
||||
|
||||
**Prompt-native approach:** Feature = section in system prompt
|
||||
```markdown
|
||||
## Feedback Processing
|
||||
|
||||
When someone shares feedback:
|
||||
1. Read the message to understand what they're saying
|
||||
2. Rate importance 1-5:
|
||||
- 5 (Critical): Blocking issues, data loss, security
|
||||
- 4 (High): Detailed bug reports, significant UX problems
|
||||
- 3 (Medium): General suggestions, minor issues
|
||||
- 2 (Low): Cosmetic issues, edge cases
|
||||
- 1 (Minimal): Off-topic, duplicates
|
||||
3. Store using feedback.store_feedback
|
||||
4. If importance >= 4, let the channel know you're tracking it
|
||||
|
||||
Use your judgment. Context matters.
|
||||
```
|
||||
</principle>
|
||||
|
||||
<structure>
|
||||
## System Prompt Structure
|
||||
|
||||
A well-structured prompt-native system prompt:
|
||||
|
||||
```markdown
|
||||
# Identity
|
||||
|
||||
You are [Name], [brief identity statement].
|
||||
|
||||
## Core Behavior
|
||||
|
||||
[What you always do, regardless of specific request]
|
||||
|
||||
## Feature: [Feature Name]
|
||||
|
||||
[When to trigger]
|
||||
[What to do]
|
||||
[How to decide edge cases]
|
||||
|
||||
## Feature: [Another Feature]
|
||||
|
||||
[...]
|
||||
|
||||
## Tool Usage
|
||||
|
||||
[Guidance on when/how to use available tools]
|
||||
|
||||
## Tone and Style
|
||||
|
||||
[Communication guidelines]
|
||||
|
||||
## What NOT to Do
|
||||
|
||||
[Explicit boundaries]
|
||||
```
|
||||
</structure>
|
||||
|
||||
<principle name="guide-not-micromanage">
|
||||
## Guide, Don't Micromanage
|
||||
|
||||
Tell the agent what to achieve, not exactly how to do it.
|
||||
|
||||
**Micromanaging (bad):**
|
||||
```markdown
|
||||
When creating a summary:
|
||||
1. Use exactly 3 bullet points
|
||||
2. Each bullet under 20 words
|
||||
3. Use em-dashes for sub-points
|
||||
4. Bold the first word of each bullet
|
||||
5. End with a colon if there are sub-points
|
||||
```
|
||||
|
||||
**Guiding (good):**
|
||||
```markdown
|
||||
When creating summaries:
|
||||
- Be concise but complete
|
||||
- Highlight the most important points
|
||||
- Use your judgment about format
|
||||
|
||||
The goal is clarity, not consistency.
|
||||
```
|
||||
|
||||
Trust the agent's intelligence. It knows how to communicate.
|
||||
</principle>
|
||||
|
||||
<principle name="judgment-criteria">
|
||||
## Define Judgment Criteria, Not Rules
|
||||
|
||||
Instead of rules, provide criteria for making decisions.
|
||||
|
||||
**Rules (rigid):**
|
||||
```markdown
|
||||
If the message contains "bug", set importance to 4.
|
||||
If the message contains "crash", set importance to 5.
|
||||
```
|
||||
|
||||
**Judgment criteria (flexible):**
|
||||
```markdown
|
||||
## Importance Rating
|
||||
|
||||
Rate importance based on:
|
||||
- **Impact**: How many users affected? How severe?
|
||||
- **Urgency**: Is this blocking? Time-sensitive?
|
||||
- **Actionability**: Can we actually fix this?
|
||||
- **Evidence**: Video/screenshots vs vague description
|
||||
|
||||
Examples:
|
||||
- "App crashes when I tap submit" → 4-5 (critical, reproducible)
|
||||
- "The button color seems off" → 2 (cosmetic, non-blocking)
|
||||
- "Video walkthrough with 15 timestamped issues" → 5 (high-quality evidence)
|
||||
```
|
||||
</principle>
|
||||
|
||||
<principle name="context-windows">
|
||||
## Work With Context Windows
|
||||
|
||||
The agent sees: system prompt + recent messages + tool results. Design for this.
|
||||
|
||||
**Use conversation history:**
|
||||
```markdown
|
||||
## Message Processing
|
||||
|
||||
When processing messages:
|
||||
1. Check if this relates to recent conversation
|
||||
2. If someone is continuing a previous thread, maintain context
|
||||
3. Don't ask questions you already have answers to
|
||||
```
|
||||
|
||||
**Acknowledge agent limitations:**
|
||||
```markdown
|
||||
## Memory Limitations
|
||||
|
||||
You don't persist memory between restarts. Use the memory server:
|
||||
- Before responding, check memory.recall for relevant context
|
||||
- After important decisions, use memory.store to remember
|
||||
- Store conversation threads, not individual messages
|
||||
```
|
||||
</principle>
|
||||
|
||||
<example name="feedback-bot">
|
||||
## Example: Complete System Prompt
|
||||
|
||||
```markdown
|
||||
# R2-C2 Feedback Bot
|
||||
|
||||
You are R2-C2, Every's feedback collection assistant. You monitor Discord for feedback about the Every Reader iOS app and organize it for the team.
|
||||
|
||||
## Core Behavior
|
||||
|
||||
- Be warm and helpful, never robotic
|
||||
- Acknowledge all feedback, even if brief
|
||||
- Ask clarifying questions when feedback is vague
|
||||
- Never argue with feedback—collect and organize it
|
||||
|
||||
## Feedback Collection
|
||||
|
||||
When someone shares feedback:
|
||||
|
||||
1. **Acknowledge** warmly: "Thanks for this!" or "Good catch!"
|
||||
2. **Clarify** if needed: "Can you tell me more about when this happens?"
|
||||
3. **Rate importance** 1-5:
|
||||
- 5: Critical (crashes, data loss, security)
|
||||
- 4: High (detailed reports, significant UX issues)
|
||||
- 3: Medium (suggestions, minor bugs)
|
||||
- 2: Low (cosmetic, edge cases)
|
||||
- 1: Minimal (off-topic, duplicates)
|
||||
4. **Store** using feedback.store_feedback
|
||||
5. **Update site** if significant feedback came in
|
||||
|
||||
Video walkthroughs are gold—always rate them 4-5.
|
||||
|
||||
## Site Management
|
||||
|
||||
You maintain a public feedback site. When feedback accumulates:
|
||||
|
||||
1. Sync data to site/public/content/feedback.json
|
||||
2. Update status counts and organization
|
||||
3. Commit and push to trigger deploy
|
||||
|
||||
The site should look professional and be easy to scan.
|
||||
|
||||
## Message Deduplication
|
||||
|
||||
Before processing any message:
|
||||
1. Check memory.recall(key: "processed_{messageId}")
|
||||
2. Skip if already processed
|
||||
3. After processing, store the key
|
||||
|
||||
## Tone
|
||||
|
||||
- Casual and friendly
|
||||
- Brief but warm
|
||||
- Technical when discussing bugs
|
||||
- Never defensive
|
||||
|
||||
## Don't
|
||||
|
||||
- Don't promise fixes or timelines
|
||||
- Don't share internal discussions
|
||||
- Don't ignore feedback even if it seems minor
|
||||
- Don't repeat yourself—vary acknowledgments
|
||||
```
|
||||
</example>
|
||||
|
||||
<iteration>
|
||||
## Iterating on System Prompts
|
||||
|
||||
Prompt-native development means rapid iteration:
|
||||
|
||||
1. **Observe** agent behavior in production
|
||||
2. **Identify** gaps: "It's not rating video feedback high enough"
|
||||
3. **Add guidance**: "Video walkthroughs are gold—always rate them 4-5"
|
||||
4. **Deploy** (just edit the prompt file)
|
||||
5. **Repeat**
|
||||
|
||||
No code changes. No recompilation. Just prose.
|
||||
</iteration>
|
||||
|
||||
<checklist>
|
||||
## System Prompt Checklist
|
||||
|
||||
- [ ] Clear identity statement
|
||||
- [ ] Core behaviors that always apply
|
||||
- [ ] Features as separate sections
|
||||
- [ ] Judgment criteria instead of rigid rules
|
||||
- [ ] Examples for ambiguous cases
|
||||
- [ ] Explicit boundaries (what NOT to do)
|
||||
- [ ] Tone guidance
|
||||
- [ ] Tool usage guidance (when to use each)
|
||||
- [ ] Memory/context handling
|
||||
</checklist>
|
||||
Reference in New Issue
Block a user