Groundmail

Remote (streamable-http)

https://mcp.groundmail.dev/mcp Requires auth (checked 2026-10-30)

Claude Code:

claude mcp add --transport http groundmail-mcp https://mcp.groundmail.dev/mcp

Or add to your MCP client config:

{
  "mcpServers": {
    "groundmail-mcp": {
      "url": "https://mcp.groundmail.dev/mcp"
    }
  }
}

Package (npm 0.20.0)

npx -y [email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "groundmail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "GROUNDMAIL_API_KEY": "<YOUR_VALUE>",
        "GROUNDMAIL_API_URL": "<YOUR_VALUE>"
      }
    }
  }
}

• GROUNDMAIL_API_KEY required secret — Groundmail API key (starts with gm_). Create one at https://app.groundmail.dev/api-keys
• GROUNDMAIL_API_URL — Optional API base URL override (default https://api.groundmail.dev)