Atomic Mail MCP server

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

Messaging and social ★ 266 GitHub starsv0.3.27Remote endpointUpdated Sep 18, 2026

Install

npm (stdio)npx -y @atomicmail/mcp-modelcontextprotocol

Remote (Claude Code)claude mcp add --transport http atomic-mail https://mcp.atomicmail.ai/mcp

JSON for apps that use an mcpServers block (Claude Desktop, Cursor and others):

{"mcpServers": {
  "atomic-mail": {
    "command": "npx",
    "args": ["-y", "@atomicmail/mcp-modelcontextprotocol"]
  }
}}

From the server's registry entry. Many servers also need an API key or other settings: check the repository's README before you run it.

About this server

Registry name	`io.github.Atomic-Mail/mcp`
Repository	github.com/Atomic-Mail/atomic-mail-agentic
Website	atomicmail.ai
Packages	npm `@atomicmail/mcp-modelcontextprotocol`
In the registry since	Sep 18, 2026
GitHub stars	266

Listed from the official MCP Registry. We have not reviewed or tested this server; a local server runs code on your machine, so read the repository first.

Use it with

AI agents whose docs say they support MCP.

OpenAI Codex Claude Code LangChain Pi OpenCode Cursor GitHub Copilot LangGraph AI SDK Strands Agents Lovable Replit Agent

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