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Agentmail MCP

Community Productivity

Email for AI agents: create inboxes on the fly to send, receive and act on email.

Source code Documentation

Install

The installation steps are in the documentation below. Documentation

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

AgentMail MCP

AgentMail has one MCP tool implementation, hosted at:

https://mcp.agentmail.to/mcp

Use that Streamable HTTP endpoint directly when your client supports remote MCP. It provides the current runtime tool catalog and supports the hosted server's existing OAuth and per-request API-key paths. See the AgentMail MCP documentation.

stdio compatibility

Existing Node configurations continue to work through the npm bridge:

{
  "mcpServers": {
    "AgentMail": {
      "command": "npx",
      "args": ["-y", "agentmail-mcp"],
      "env": { "AGENTMAIL_API_KEY": "YOUR_API_KEY" }
    }
  }
}

Python users can run the equivalent native bridge:

AGENTMAIL_API_KEY=YOUR_API_KEY uvx agentmail-mcp

Both bridges discover tools and schemas from the hosted server. They do not contain AgentMail SDK, toolkit, REST API, or tool-definition logic. --tools name1,name2 remains available for stdio clients that need a filtered catalog.

Repository

  • packages/server: the hosted MCP server and only AgentMail tool implementation
  • packages/npm-stdio-bridge: npm agentmail-mcp
  • python/stdio-bridge: PyPI agentmail-mcp
  • mcp-manifest.json: generated runtime contract
  • tests: contract and transport checks
  • docs: architecture, compatibility, migration, release, and operations
pnpm install
pnpm build
pnpm test
pnpm check:contract

The old local npm implementation is preserved at legacy-local-v0.2.2. Authentication hardening is a separate project; this consolidation preserves the hosted server's existing behavior.

Frequently asked questions

What is Agentmail MCP?

Email for AI agents: create inboxes on the fly to send, receive and act on email.

How do I install Agentmail MCP?

Follow the installation steps in its documentation, shown on this page and in its repository.

Is Agentmail MCP open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Agentmail MCP?

It is published by agentmail-to. AI.tn lists it but does not maintain or endorse it.

From the community awesome-mcp-servers lists and the project's GitHub repository. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.