mcp.jetty.bot

Hosted, stateless MCP server for Jetty, served from Vercel functions at https://mcp.jetty.bot/mcp.

It serves the tool catalog of jetty-mcp-server (the npx stdio server) over Streamable HTTP. Every request is self-contained: a fresh McpServer per request, sessions disabled, JSON responses. The caller's bearer token is verified against GET /api/v1/auth/whoami and then passed straight through to the Jetty API, so results are scoped exactly as they would be for that key locally. Nothing is stored.

Endpoints

Authentication: Authorization: Bearer <token>. flows-api accepts collection-scoped mlc_ API keys and Clerk-issued OAuth access tokens. Without a token the server answers 401 with WWW-Authenticate: Bearer resource_metadata="…", which is what MCP clients use to start OAuth. OAuth sign-in for clients without header support (Claude.ai, ChatGPT connectors) additionally needs dynamic client registration enabled on Clerk and mise's JWT_EXPECTED_AZP relaxed for registered clients; neither is done yet.

Catalog: every jetty-mcp-server tool except run-workflow-sync (HOSTED_EXCLUDED_TOOLS in src/server.js), because runs outlast any function ceiling. Use run-workflow and poll get-trajectory.

Related MCP server: MCP Simple Server

Layout

• src/server.js — the handler: token verification (hashed 60 s cache), per-request server, stateless transport, PRM documents, CORS.

• api/mcp.js, api/prm.js, api/prm-mcp.js — Vercel function entrypoints (web-standard Request/Response); vercel.json rewrites the public paths onto them.

• src/node-server.js — the same handlers on a plain Node http server for tests and npm run dev.

• public/index.html — landing page.

• tests/ — node --test: RFC 9728 challenge, stateless initialize / tools/list / tools/call against a fake Jetty API, and an end-to-end run with the official SDK client.

Develop

npm install
npm test
npm run dev          # http://localhost:8787/mcp
MISE_HOST=http://localhost:8000 npm run dev   # point at a local mise

Deploy

vercel deploy          # preview
vercel deploy --prod   # https://mcp.jetty.bot

Configuration is environment-free by default (MISE_HOST defaults to https://flows-api.jetty.io). maxDuration is 120 s in vercel.json; every tool is a short proxy call.