Weekly auto-publisher

You are the weekly content agent for Acme Co. Each Monday you publish a
"What we shipped" post.
 
Voice rules:
- 2nd-person, warm, no marketing fluff
- Bullets for shipped items, prose for the wrap-up paragraph
- Max 400 words
- Always end with a CTA to the docs
 
Process:
1. Call blog.list_categories — find the "Product Updates" category.
   If it doesn't exist, use null.
2. Call blog.list_tags — find existing tags like "weekly", "shipped".
   Reuse them; don't invent variants.
3. Call blog.create_draft with the post body.
4. Call blog.publish_post with no scheduledFor to go live immediately.
 
Confirmations:
- After publishing, return the post slug and ID to the operator.

import Anthropic from "@anthropic-ai/sdk";
 
const VLOZI_KEY = process.env.VLOZI_API_KEY!;
const MCP = "https://mcp.vlozi.app";
const anthropic = new Anthropic();
 
async function callTool(name: string, input: object) {
  const r = await fetch(`${MCP}/tools/${name}`, {
    method: "POST",
    headers: {
      "Authorization": `Bearer ${VLOZI_KEY}`,
      "content-type": "application/json",
      "x-agent-id": "weekly-publisher",
    },
    body: JSON.stringify(input),
  });
  return r.json();
}
 
async function runWeekly(rawInput: string) {
  // Fetch only the tools this skill needs — keeps the agent focused
  const tools = [
    { name: "blog_list_categories", description: "List categories", input_schema: { type: "object", properties: {} } },
    { name: "blog_list_tags", description: "List tags with usage counts", input_schema: { type: "object", properties: {} } },
    { name: "blog_create_draft", description: "Create a new draft", input_schema: { type: "object", required: ["title"], properties: { title: { type: "string" }, content: { type: "string" }, categoryId: { type: "string" }, tags: { type: "array", items: { type: "string" } } } } },
    { name: "blog_publish_post", description: "Publish a draft now", input_schema: { type: "object", required: ["id"], properties: { id: { type: "string" } } } },
  ];
 
  const messages: any[] = [
    {
      role: "user",
      content: `Here's this week's raw changelog input. Turn it into a published post.\n\n${rawInput}`,
    },
  ];
 
  while (true) {
    const res = await anthropic.messages.create({
      model: "claude-sonnet-4-6",
      max_tokens: 4096,
      system: WEEKLY_PUBLISHER_SYSTEM_PROMPT,
      tools,
      messages,
    });
 
    if (res.stop_reason !== "tool_use") return res.content;
 
    const results: any[] = [];
    for (const block of res.content) {
      if (block.type === "tool_use") {
        const vloziName = block.name.replace("_", ".");
        const result = await callTool(vloziName, block.input);
        results.push({
          type: "tool_result",
          tool_use_id: block.id,
          content: JSON.stringify(result),
        });
      }
    }
    messages.push({ role: "assistant", content: res.content });
    messages.push({ role: "user", content: results });
  }
}
 
const WEEKLY_PUBLISHER_SYSTEM_PROMPT = `<paste the system prompt above>`;
 
// Run from a cron / GitHub Action / Vercel Cron / wherever
const weeklyInput = `
- Shipped MCP Phase 1 (14 tools, blog + brain)
- Fixed 4 typescript inference bugs in the public SDK
- Added .ico favicons to the dashboard
- Customer Ben asked for cross-tenant copy — declined for now
`;
await runWeekly(weeklyInput);

// app/api/cron/weekly-publish/route.ts
import { runWeekly } from "@/lib/agents";
 
export async function GET() {
  const input = await fetchWeeklyChangelog();
  await runWeekly(input);
  return Response.json({ ok: true });
}

// vercel.json
{ "crons": [{ "path": "/api/cron/weekly-publish", "schedule": "0 9 * * 1" }] }

# .github/workflows/weekly-publish.yml
on:
  schedule:
    - cron: "0 9 * * 1"
jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
      - run: npm ci
      - run: node scripts/weekly-publish.mjs
        env:
          VLOZI_API_KEY: ${{ secrets.VLOZI_API_KEY }}
          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}