mailsocket MCP Server: Install & Setup

Install mailsocket in Claude Code

Remote URL

Claude Code

claude mcp add --transport http mailsocket https://mcp.mailsocket.app/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "mailsocket": {
      "url": "https://mcp.mailsocket.app/mcp"
    }
  }
}

PyPI (uv)

Claude Code

claude mcp add mailsocket -e MAILSOCKET_API_KEY=... -- uvx mailsocket-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "mailsocket": {
      "command": "uvx",
      "args": [
        "mailsocket-mcp"
      ],
      "env": {
        "MAILSOCKET_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the mailsocket MCP server do?

Email inboxes for AI agents: create an inbox, then block until the OTP or magic link arrives.

Is the mailsocket MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does mailsocket run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add mailsocket to Claude Code?

Run: claude mcp add --transport http mailsocket https://mcp.mailsocket.app/mcp

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