Mailbuttons (mbag.ai) MCP Server

Mailbuttons (mbag.ai) is an MCP integration. Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

Hosted connection

The registry lists a streamable-http connection at https://mailbuttons.com/api/v1/mcp/rpc. The endpoint declares these request headers: Authorization.

Packages and local setup

The published npm package is @mailbuttons/mcp-server, version 0.1.0. Its declared MCP transport is stdio.

The package declares MAILBUTTONS_API_KEY (required): A scoped Mailbuttons MCP token (mb_sandbox_...). Sandbox-by-default; external send requires human promotion.; MAILBUTTONS_API_URL: Backend base URL. Defaults to https://mailbuttons.com; set for self-hosted or local..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.2 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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