Agent Email vs Mailbox MCP

In-depth architectural comparison of the Agent Email and Mailbox MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Agent Email when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: list_emails, read_email, search_emails.

Explore Agent Email Details

Choose Mailbox MCP when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: list_accounts, authenticate, reauth.

Explore Mailbox MCP Details

Feature & Specification Comparison

Specification	Agent Email Communication	Mailbox MCP Communication
Summary	Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP	Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "agent-email": {
      "command": "npx",
      "args": [
        "-y",
        "email-agent-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "mailbox-mcp-2": {
      "command": "npx",
      "args": [
        "-y",
        "mailbox-mcp"
      ]
    }
  }
}

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