Google Chat MCP Server

A Model Context Protocol (MCP) server implementation for interacting with the Google Chat API via webhooks. This server provides a simple tool for posting text messages to Google Chat spaces.

Features

• Post text messages to Google Chat spaces using webhooks

• Simple and secure webhook-based integration

• No OAuth setup required

• Easy to use with MCP-compatible tools

Installation

Using Smithery (Recommended)

Install the server using Smithery's CLI:

Local Development

1. Clone the repository:

2. Install dependencies:

3. Build the project:

4. Run the server:

Docker Setup

You can run the server using Docker. Here's how to set it up:

1. Build the Docker image:

2. Run the Docker container with the necessary environment variables:

Usage Example

To post a message to Google Chat, send the following JSON request:

Configuration

The server requires the following environment variables to function:

• GOOGLE_CHAT_SPACE_ID: The Space ID of your Google Chat space

• GOOGLE_CHAT_API_KEY: The API key for your Google Cloud project

• GOOGLE_CHAT_TOKEN: The authentication token for Google Chat

These variables can be set in your environment or via Docker (as shown in the Docker Setup section).

To run locally without Docker, create a .env file with the following content:

Security

• Webhook URLs are passed directly in the request payload

• No sensitive credentials are stored in the code

• All requests are validated before execution

Contributing

1. Fork the repository

2. Create your feature branch (git checkout -b feature/amazing-feature)

3. Commit your changes (git commit -m 'Add some amazing feature')

4. Push to the branch (git push origin feature/amazing-feature)

5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.