Flowpack MCP Worker

v2 — 7 universal tools + worker brain. Live on workers.dev (read-only knowledge tools; no store data, no auth).

Canonical spec: 5_AI-Integration/_planning/06-SIDEKICK-ARCHITECTURE-7-TOOL.md

Endpoints

• POST /mcp — MCP streamable-http (JSON-RPC 2.0) — the registry-facing endpoint
• GET /tools — JSON tool registration (MCP discoverable)
• POST /tools/{name} — invoke a tool with JSON body
• GET /healthz — health check
• GET /extensions_summary — Sidekick App Extension pitch text

7 Universal Tools

1. browse(domain, query?, facet?) — universal catalog read
2. plan(intent, context?) — MASTER KEY: intent → structured plan
3. preview(plan_id) — real preview URL (anti-fab anchor)
4. execute(plan_id, confirm: true) — atomic write
5. explain(plan_id|setting_path) — natural language
6. recommend(scenario, context?) — goal-oriented
7. diagnose(symptom?, kit?) — issue resolution