MCP server

Atomic Mail Official

io.github.Atomic-Mail/mcp

Checked 25 Oct 2026, 20:29 UTC · It answered and asked for a sign-in

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

Website Source

At a glance

Type

MCP server

Publisher

atomicmail.ai (verified by the MCP Registry)

Status

Needs a sign-in or key

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http atomic-mail https://mcp.atomicmail.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.atomic-mail]
url = "https://mcp.atomicmail.ai/mcp"

Gemini CLI

{"mcpServers":{"atomic-mail":{"httpUrl":"https://mcp.atomicmail.ai/mcp"}}}

Cursor

{"mcpServers":{"atomic-mail":{"url":"https://mcp.atomicmail.ai/mcp"}}}

VS Code

{"servers":{"atomic-mail":{"type":"http","url":"https://mcp.atomicmail.ai/mcp"}}}

Antigravity

agy mcp add atomic-mail https://mcp.atomicmail.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"atomic-mail","server_url":"https://mcp.atomicmail.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"atomic-mail","server_url":"https://mcp.atomicmail.ai/mcp"}

Needs a sign-in or an API key from its maker.

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