Atomic Mail for Claude.ai

io.github.atomic-mail/mcp

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

client:Claude.ai transport:streamable-http runtime:npm

Install Atomic Mail in Claude.ai

Settings → Connectors → Add custom connector

https://mcp.atomicmail.ai/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

Atomic Mail in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Atomic Mail MCP server