Assistant Mail MCP Server

by assistantmailio.github.AssistantMail/assistantmail-mcpv1.3.1

Agent email with allowlist and consent via AssistantMail.

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Active29d ago

Install Assistant Mail MCP server

claude mcp add assistantmail -e ASSISTANT_MAIL_API_KEY='<assistant-mail-api-key>' -- npx -y @assistantmail/assistantmail-mcp

{
  "mcpServers": {
    "assistantmail": {
      "command": "npx",
      "args": [
        "-y",
        "@assistantmail/assistantmail-mcp"
      ],
      "env": {
        "ASSISTANT_MAIL_API_KEY": "<assistant-mail-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "assistantmail": {
      "command": "npx",
      "args": [
        "-y",
        "@assistantmail/assistantmail-mcp"
      ],
      "env": {
        "ASSISTANT_MAIL_API_KEY": "<assistant-mail-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "assistantmail": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@assistantmail/assistantmail-mcp"
      ],
      "env": {
        "ASSISTANT_MAIL_API_KEY": "<assistant-mail-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "assistantmail": {
      "command": "npx",
      "args": [
        "-y",
        "@assistantmail/assistantmail-mcp"
      ],
      "env": {
        "ASSISTANT_MAIL_API_KEY": "<assistant-mail-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
ASSISTANT_MAIL_API_KEY	yes	yes	AssistantMail API key (amk_...). Required unless passed per-tool.
ASSISTANT_MAIL_API_BASE_URL	—	—	Optional AssistantMail API base URL.

Freshness

Active — last maintenance signal 29d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-10 · 29d ago · GitHub
Latest release
2026-09-10 · 29d ago · GitHub · v1.3.3
Package published
no data · npm/PyPI
Registry entry updated
2026-09-03 · 37d ago · official registry · v1.3.1

FAQ

›How do I install the Assistant Mail MCP server in Claude Code?

Run: claude mcp add assistantmail -e ASSISTANT_MAIL_API_KEY='<assistant-mail-api-key>' -- npx -y @assistantmail/assistantmail-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Assistant Mail require an API key?

Yes. It expects ASSISTANT_MAIL_API_KEY, of which 1 is a secret.

›Can I use Assistant Mail as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Assistant Mail in the official MCP registry?

Yes, as io.github.AssistantMail/assistantmail-mcp.