LocalFree server, account needed

Mailbox MCP server

benethos-hub/mailbox

MCP server that gives AI agents your mailboxes through mailbox-service, within its token's rights.

2 GitHub stars
Source code

Install Mailbox in Claude Code

PyPI (uv)

Claude Code
claude mcp add benethos-hub-mailbox -e MAILBOX_SERVICE_TOKEN=... -- uvx benethos-mailbox-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "benethos-hub-mailbox": {
      "command": "uvx",
      "args": [
        "benethos-mailbox-mcp"
      ],
      "env": {
        "MAILBOX_SERVICE_TOKEN": "..."
      }
    }
  }
}

MCP Bundle (.mcpb)

Claude Code
curl -LO https://github.com/benethos-hub/mailbox/releases/download/v0.6.0/benethos-mailbox-mcp-0.6.0.mcpb
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
Download benethos-mailbox-mcp-0.6.0.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Replace each ... with your own value.

Frequently asked questions

What does the Mailbox MCP server do?

MCP server that gives AI agents your mailboxes through mailbox-service, within its token's rights.

Is the Mailbox MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Mailbox run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Mailbox to Claude Code?

Run: claude mcp add benethos-hub-mailbox -e MAILBOX_SERVICE_TOKEN=... -- uvx benethos-mailbox-mcp

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