Koskamo

thunderbird-cli-mcp

An MCP server and CLI that provides AI agents with read/write email access via Mozilla Thunderbird. It uses a local bridge and extension to interact with Thunderbird's messenger APIs, supporting tasks like searching, reading, replying as drafts, and downloading attachments without caching data or requiring cloud credentials.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

thunderbird-cli-mcp logo, by vitalio-shCommunity listingLocal stdioSource reviewed; not executedPublished by vitalio-sh
You need:Install CLI + bridge from npmInstall the signed Thunderbird extension
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 66 GitHub stars

What you can do with it

  • Check unread email counts across accounts
  • Search for specific emails like AWS invoices
  • Reply to messages as drafts
  • Download PDF attachments from emails

Source and maintenance

Community listingRegistry 1.0.2MIT
mcp-registry: io.github.vitalio-sh/thunderbird-cli@1.0.2Source repository
Last repository push
Latest release
v1.1.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

thunderbird-cli-mcp 1.0.2

npm
thunderbird-cli-mcp package definition
{
  "version": "1.0.2",
  "transport": "stdio",
  "identifier": "thunderbird-cli-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "TB_BRIDGE_HOST",
      "format": "string",
      "description": "Hostname of the thunderbird-cli-bridge (default: 127.0.0.1). Set to host.docker.internal when running inside a container."
    },
    {
      "name": "TB_BRIDGE_PORT",
      "format": "string",
      "description": "HTTP port of the thunderbird-cli-bridge (default: 7700)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "thunderbird-cli-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "thunderbird-cli-mcp@1.0.2"
      ],
      "env": {
        "TB_BRIDGE_HOST": "<YOUR_TB_BRIDGE_HOST>",
        "TB_BRIDGE_PORT": "<YOUR_TB_BRIDGE_PORT>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "thunderbird-cli-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "thunderbird-cli-mcp@1.0.2"
      ],
      "env": {
        "TB_BRIDGE_HOST": "<YOUR_TB_BRIDGE_HOST>",
        "TB_BRIDGE_PORT": "<YOUR_TB_BRIDGE_PORT>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "thunderbird-cli-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "thunderbird-cli-mcp@1.0.2"
      ],
      "env": {
        "TB_BRIDGE_HOST": "<YOUR_TB_BRIDGE_HOST>",
        "TB_BRIDGE_PORT": "<YOUR_TB_BRIDGE_PORT>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "thunderbird-cli-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "thunderbird-cli-mcp@1.0.2"
      ],
      "env": {
        "TB_BRIDGE_HOST": "<YOUR_TB_BRIDGE_HOST>",
        "TB_BRIDGE_PORT": "<YOUR_TB_BRIDGE_PORT>"
      }
    }
  }
}

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