Basecamp MCP Server

Model Context Protocol (MCP) server for Basecamp integration. Enables LLMs to interact with Basecamp projects, messages, todos, comments, people, and kanban boards.

Getting Started

The Basecamp MCP server requires Node.js 18+ and works with various MCP clients including Claude Code CLI, Claude Desktop, Cursor, VS Code, and others.

Standard Configuration

The baseline setup applies across most tools:

{
  "mcpServers": {
    "basecamp": {
      "command": "npx",
      "args": ["-y", "basecamp-mcp@latest"],
      "env": {
        "BASECAMP_CLIENT_ID": "your_client_id",
        "BASECAMP_CLIENT_SECRET": "your_client_secret",
        "BASECAMP_REFRESH_TOKEN": "your_refresh_token",
        "BASECAMP_USER_AGENT": "YourApp (your@email.com)",
        "BASECAMP_ACCOUNT_ID": "account_id"
      }
    }
  }
}

Installation by Client

Claude Code CLI:

claude mcp add basecamp npx basecamp-mcp@latest \
  -e BASECAMP_CLIENT_ID=your_client_id \
  -e BASECAMP_CLIENT_SECRET=your_client_secret \
  -e BASECAMP_REFRESH_TOKEN=your_refresh_token \
  -e BASECAMP_USER_AGENT="YourApp (your@email.com)" \
  -e BASECAMP_ACCOUNT_ID=account_id

Claude Desktop: Follow the MCP install guide using the standard config above.

Cursor: One-click installation available, or manually add configuration through Settings Tools & Integrations New MCP Server.

VS Code: One-click installation provided, or use the CLI:

code --add-mcp '{"name":"basecamp","command":"npx","args":["-y", "basecamp-mcp@latest"]}'

Gemini CLI & Windsurf: Refer to their respective documentation; use the standard config template.

Configuration

The server requires the following environment variables:

• BASECAMP_CLIENT_ID Your Basecamp OAuth client ID
• BASECAMP_CLIENT_SECRET Your Basecamp OAuth client secret
• BASECAMP_REFRESH_TOKEN Your Basecamp refresh token for authentication
• BASECAMP_USER_AGENT Your application identifier (format: YourApp (our@email.com))
• BASECAMP_ACCOUNT_ID Your Basecamp account ID

Complete Configuration Example

{
  "mcpServers": {
    "basecamp": {
      "command": "npx",
      "args": ["-y", "basecamp-mcp@latest"],
      "env": {
        "BASECAMP_CLIENT_ID": "your_client_id",
        "BASECAMP_CLIENT_SECRET": "your_client_secret",
        "BASECAMP_REFRESH_TOKEN": "your_refresh_token",
        "BASECAMP_USER_AGENT": "YourApp (your@email.com)",
        "BASECAMP_ACCOUNT_ID": "account_id"
      }
    }
  }
}

Usage

Running the Server

npm start

Or for development with auto-reload:

npm run dev

Available Tools

Projects

• basecamp_list_projects - List all accessible projects with optional filtering
• basecamp_get_project - Get detailed project information including dock configuration

Messages

• basecamp_list_messages - List messages in a message board with optional filtering
• basecamp_list_message_types - List available message types/categories for a project
• basecamp_get_message - Get single message details
• basecamp_create_message - Create new message with optional category and draft status
• basecamp_update_message - Update message with advanced content editing (supports full replacement, append, prepend, search/replace)

TODOs

• basecamp_get_todoset - Get todo set container with all todo lists
• basecamp_list_todos - List todos in a list with status filtering (active/archived)
• basecamp_create_todo - Create new todo with optional description
• basecamp_complete_todo - Mark todo as complete
• basecamp_uncomplete_todo - Mark todo as incomplete

Comments

• basecamp_list_comments - List comments on any resource (works universally on all recording types)
• basecamp_create_comment - Add comment to any resource
• basecamp_update_comment - Update comment with advanced content editing (supports full replacement, append, prepend, search/replace)

People

• basecamp_get_me - Get personal information for the authenticated user
• basecamp_list_people - List all people with optional filtering by name, email, or title
• basecamp_get_person - Get person details

Kanban

• basecamp_list_kanban_columns - List all columns in a kanban board
• basecamp_list_kanban_cards - List cards in a column with steps and assignees
• basecamp_get_kanban_card - Get complete details of a specific card
• basecamp_create_kanban_card - Create new card with title, content, and optional checklist steps
• basecamp_update_kanban_card - Update card with advanced content editing (supports full replacement, append, prepend, search/replace, plus title, due date, assignees, notifications, and complete step array management)
• basecamp_move_kanban_card - Move a card to a different column and/or position

Development

# Install dependencies
npm install

# Run type checking
npx tsc --noEmit

# Build
npm run build

# Clean build artifacts
npm run clean

License

MIT