AI CoFounder MCP API Documentation
Connect your AI coding agent to startup project specifications, run AI agents, and manage projects via the Model Context Protocol (MCP) server.
Getting Started
Add the AI CoFounder MCP server to your AI coding agent (Claude, Cursor, Windsurf, etc.) to access all 9 tools for managing startup projects.
- Get your API token from cofounder.im/users/settings
- Configure your MCP client with the server URL:
https://mcp.cofounder.im/mcp - Add your Bearer token in the Authorization header
Available Tools
Read
list_projects
no params
List all CoFounder.im projects for the authenticated user.
get_build_spec
project_id
Get the full build specification for a project, including all completed agent outputs.
Get a single agent output for a project. More context-efficient than get_build_spec.
account_status
no params
Get account information: credits, project count, subscription plan, and active runs.
buy_credits
no params
Get links to purchase additional credits. Returns available packages with checkout URLs.
Write
create_project
idea
Create a new project from a startup idea description (max 5000 characters).
Update a project's name.
Run an AI agent on a project. Automatically resolves dependencies and shows cost breakdown.
Re-run a completed agent with optional feedback. Returns stale downstream agents.