Give your Cursor agent its own inbox

The MCP server and the Pidgeon skill together, cloned where Cursor reads local plugins. Reload Cursor afterwards.

git clone https://github.com/pidgeon-ai/pidgeon-plugins.git ~/.cursor/plugins/local/pidgeon

Without the skill: in your global config, or .cursor/mcp.json for one project. The URL is all it needs.

{
  "mcpServers": {
    "pidgeon": {
      "url": "https://pidgeon.ai/api/mcp"
    }
  }
}

Either way, with no key set Cursor marks Pidgeon as needing sign-in. You choose what it can do — read, read and send, or full access — and which address it reaches, or every address if you own the account. That becomes an API key under Developers → API keys → Connected apps, and Disconnect there ends it. If nothing opens, the MCP logs in the Output panel say why.

https://pidgeon.ai/api/mcp

For an agent with nobody there to sign in. Cursor fills ${env:PIDGEON_API_KEY} from your environment.

{
  "mcpServers": {
    "pidgeon": {
      "url": "https://pidgeon.ai/api/mcp",
      "headers": { "Authorization": "Bearer ${env:PIDGEON_API_KEY}" }
    }
  }
}