MCP server

Atomic Mail

Repository:: github.com/atomic-mail/atomic-mail-agentic
Homepage:: atomicmail.ai
Stars:: 265
Last push:: 2026-10-23
License:: MIT

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

Good fit for

No install, runs remotely
One-command install
MIT license

Facts

Category: Communication
Pricing: Unknown
Authentication: API key
Transport: stdio, Streamable HTTP
Hosting: Local, Remote
Maker: Unknown
Access: Unknown
Language: TypeScript
Install method: npx, Remote URL
Operating system: Unknown
Client: Unknown
License: Permissive
Maintenance: Active

Install

Remote

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

Local

claude mcp add --transport stdio atomic-mail-mcp -- npx -y @atomicmail/mcp-modelcontextprotocol

Remote

Customize > Connectors > + Add > Add custom connector
Name: atomic-mail-mcp
URL: https://mcp.atomicmail.ai/mcp
Sign in: "Sign in now", "Sign in when needed" or "No sign in"
Click Add.

LocalPaste into claude_desktop_config.json

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

RemotePaste into ~/.cursor/mcp.json

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

LocalPaste into ~/.cursor/mcp.json

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

RemotePaste into .vscode/mcp.json

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

LocalPaste into .vscode/mcp.json

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

Remote

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

Local

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

Remote

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

Local

[mcp_servers.atomic-mail-mcp]
command = "npx"
args = ["-y", "@atomicmail/mcp-modelcontextprotocol"]

Remote

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

Local

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

Env vars and secrets

ATOMIC_MAIL_API_KEYEnv varSecret
Existing API key — skips PoW registration

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Score: 78

Popularity: 67
Maintenance: 100
Trust: 73
Completeness: 90
Community: 50

Formula version 1

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