Pidgeon

MCP server · by pidgeon

Communication npmStreamable HTTP v0.18.0

Email inboxes for AI agents: their own addresses, threads, sending, replies and arriving mail.

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Install

Pin version registry version 0.18.0

npm
npx -y @pidgeon-ai/mcp

npm
npx -y @pidgeon-ai/mcp@0.18.0

Streamable HTTP
https://pidgeon.ai/api/mcp

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp@0.18.0"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

Remote (hosted) endpoint

https://pidgeon.ai/api/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL, and provide: Authorization.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env PIDGEON_API_KEY=<YOUR_PIDGEON_API_KEY> mcp-pidgeon -- npx -y @pidgeon-ai/mcp

claude mcp add --env PIDGEON_API_KEY=<YOUR_PIDGEON_API_KEY> mcp-pidgeon -- npx -y @pidgeon-ai/mcp@0.18.0

terminal

claude mcp add --transport http mcp-pidgeon https://pidgeon.ai/api/mcp --header "Authorization: Bearer <YOUR_AUTHORIZATION>"

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp@0.18.0"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-pidgeon": {
      "url": "https://pidgeon.ai/api/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp@0.18.0"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "mcp-pidgeon": {
      "type": "http",
      "url": "https://pidgeon.ai/api/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-pidgeon": {
      "command": "npx",
      "args": [
        "-y",
        "@pidgeon-ai/mcp@0.18.0"
      ],
      "env": {
        "PIDGEON_API_KEY": "<YOUR_PIDGEON_API_KEY>"
      }
    }
  }
}

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-pidgeon": {
      "serverUrl": "https://pidgeon.ai/api/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

PIDGEON_API_KEY required secret — Your Pidgeon API key (pgn_live_…). Make one under Developers → API keys, or let an agent sign itself up: https://pidgeon.ai/skill.md
Authorization required secret header — Your Pidgeon API key as a bearer token

About this server

Distributed as npm, Streamable HTTP, listed under Communication. Review our MCP security guide before granting access to real data.

Frequently asked questions

How do I install Pidgeon?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Pidgeon free to use?

The MCP server itself is free to install. The source is public on https://github.com/pidgeon-ai/pidgeon-js. Any third-party service it calls may require its own API key and account.

Which clients support Pidgeon?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

Add this badge

Publish this server? Link back with a badge on your README or site — copy either snippet.

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