37signals opened its hosted MCP endpoint at https://mcp.basecamp.com/mcp: OAuth sign-in, read-only or full access, free on every Basecamp account, covering projects, to-dos, card tables, docs, calendar and Campfire.
Key Takeaways
- ✓Official hosted endpoint
https://mcp.basecamp.com/mcpover HTTP, no setup on Basecamp's side - ✓Two access levels at approval: Read-only or Full access, scoped to exactly what the user can see
- ✓Documented for ChatGPT (developer mode), Claude, Cursor and Grok, plus Claude Code and VS Code configs
- ✓Free with every Basecamp account; the AI client may need a paid plan for custom connectors
- ✓37signals says it does not train AI models on Basecamp content (basecamp.com/ai)
Key Decision Metrics at a Glance
Heavy Claude Code use: compare subscription limits and API bills
Compare 40 dev plans & simulate token costs vs $20/mo subscriptions
Project Links & Resources
Direct AccessIn-Depth Technical Analysis
37signals has turned on an official hosted MCP server for Basecamp at https://mcp.basecamp.com/mcp, announced by DHH on Oct 9. Previously the official server only shipped locally inside Basecamp CLI 0.10.0. Clients sign in via OAuth and the user picks Read-only or Full access; the assistant acts strictly as the user. Tools cover projects, to-dos, message boards, card tables, calendar, docs and files, Campfire and Pings, check-ins, search and overdue reports. It is free on every Basecamp account. Setup: ChatGPT developer-mode plugin, Claude custom connector, Cursor settings or ~/.cursor/mcp.json, Grok custom connector, Claude Code claude mcp add --transport http basecamp https://mcp.basecamp.com/mcp. No performance benchmarks were published.
Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.
Discussion & Comments
0Sign in to join the discussion
Connect with AI developers to exchange benchmark insights.