Mailgent MCP Server

Mailgent MCP Server

Provides identity infrastructure for AI agents to manage email communications, including sending, replying, and organizing messages. It also includes a secure vault for managing credentials and generating TOTP codes.

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README

mailgent-mcp

MCP server for Mailgent — Identity infrastructure for AI agents.

Setup

Add to your MCP client config:

{
  "mcpServers": {
    "mailgent": {
      "command": "npx",
      "args": ["-y", "mailgent-mcp"],
      "env": {
        "MAILGENT_API_KEY": "YOUR_API_KEY"
      }
    }
  }
}

Get your API key from console.mailgent.dev.

Compatible Clients

  • Claude Code
  • Claude Desktop
  • Cursor
  • Any MCP-compatible client

Available Tools

Mail

Tool Description
mail.whoami Get identity info
mail.send Send email
mail.reply Reply to email
mail.list_messages List inbox messages
mail.get_message Get specific message
mail.update_labels Update message labels
mail.list_threads List threads
mail.get_thread Get thread with messages

Vault

Tool Description
vault.list List credentials (metadata)
vault.get Get decrypted credential
vault.totp Get TOTP 6-digit code
vault.store Store credential
vault.delete Delete credential

Multiple Identities

Use separate MCP server instances per identity:

{
  "mcpServers": {
    "mailgent-sales": {
      "command": "npx",
      "args": ["-y", "mailgent-mcp"],
      "env": {
        "MAILGENT_API_KEY": "mgent-sales-key"
      }
    },
    "mailgent-support": {
      "command": "npx",
      "args": ["-y", "mailgent-mcp"],
      "env": {
        "MAILGENT_API_KEY": "mgent-support-key"
      }
    }
  }
}

Environment Variables

Variable Required Default Description
MAILGENT_API_KEY Yes — Your Mailgent API key
MAILGENT_API_URL No https://api.mailgent.dev API base URL

Documentation

License

MIT

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