Openagentemail MCP Server

Self-hosted email for AI agents. The open-source alternative to AgentMail. openagent.email · website: openagentemail/website. It runs locally over stdio via the published package.

People connecting email tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-25 · ★ 8 · #13 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25

Apache-2.0 · TypeScript servers · how we verify → /methodology

01 · Install Openagentemail MCP Server

before you install - you'll need

Set OPENAGENTEMAIL_API_URL, OPENAGENTEMAIL_API_KEY, SSL_TYPE, SSL_DOMAIN before connecting. LETSENCRYPT_EMAIL is optional or environment-specific per the README.

Claude Code

claude mcp add openagentemail-openagentemail -- npx -y @openagentemail/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "openagentemail-openagentemail": {
      "command": "npx",
      "args": [
        "-y",
        "@openagentemail/mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

repo age created 2026-07-26 - young repo, little track record yet

license Apache-2.0 - declared in the repository

npm package @openagentemail/mcp - published under the repo owner's npm scope (@openagentemail)

registry namespace io.github.openagentemail is GitHub-verified and matches the repo owner

03 · Who maintains Openagentemail MCP Server

mcp is maintained by openagentemail. It's the only MCP server we track from this author; the repo dates to Jul 2026.

04 · Facts

category
email - ranked #13 of 75 actively-maintained email servers as of 2026-08-25.
registry
io.github.openagentemail/mcp (active, first published 2026-07-27 · 8 versions)
packages
npm:@openagentemail/mcp

05 · Openagentemail MCP Server FAQ

What is Openagentemail MCP Server?

Self-hosted email for AI agents. The open-source alternative to AgentMail. openagent.email · website: openagentemail/website. It runs locally over stdio via the published package.

Is Openagentemail MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-25. We re-verify nightly.

How do I install Openagentemail MCP Server?

Run `npx -y @openagentemail/mcp`. The README documents 5 environment variables (OPENAGENTEMAIL_API_URL, OPENAGENTEMAIL_API_KEY, SSL_TYPE…) to set first. Set OPENAGENTEMAIL_API_URL, OPENAGENTEMAIL_API_KEY, SSL_TYPE, SSL_DOMAIN before connecting. LETSENCRYPT_EMAIL is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Openagentemail MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Openagentemail MCP Server