Mails.ai — Agent Email MCP Server

Mails.ai — Agent Email is an MCP integration. A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

Hosted connection

The registry lists a streamable-http connection at https://api.mails.ai/mcp.

Packages and local setup

The published npm package is @mailsai/mcp-server, version 0.4.0. Its declared MCP transport is stdio.

The package declares MAILS_API_KEY (required): Your mails.ai API key. Use an mk_test_ key to run against the sandbox or an mk_live_ key to send real mail. Free key at https://mails.ai; MAILS_BASE_URL: Override the API base URL. Defaults to the hosted mails.ai API; only needed for staging or self-hosted deployments..

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 website. This profile uses version 0.4.0 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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