thunderbird-cli

local MCP server

Installation

Terminal

claude mcp add thunderbird-cli -e TB_BRIDGE_HOST=... -e TB_BRIDGE_PORT=... -- npx -y thunderbird-cli-mcp

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "thunderbird-cli": {
      "command": "npx",
      "args": [
        "-y",
        "thunderbird-cli-mcp"
      ],
      "env": {
        "TB_BRIDGE_HOST": "...",
        "TB_BRIDGE_PORT": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

Questions

thunderbird-cli is a local MCP server distributed as the npm package thunderbird-cli-mcp.

Run: claude mcp add thunderbird-cli -e TB_BRIDGE_HOST=... -e TB_BRIDGE_PORT=... -- npx -y thunderbird-cli-mcp

Run: codex mcp add thunderbird-cli --env TB_BRIDGE_HOST=... --env TB_BRIDGE_PORT=... -- npx -y thunderbird-cli-mcp

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