MCP Server Mattermost

An MCP server implemented for Mattermost integration, supporting multiple transmission modes and real-time message processing.

Communication tools Developer tools #Mattermost Integration #Real-time Messages #MCP Protocol #Secure Authentication Local .TypeScript

rating : 2.5 points

downloads : 12

update time : 2025-04-28

What is the Mattermost MCP Server?

The Mattermost MCP Server is a tool connected to the Mattermost platform, enabling efficient message monitoring and processing through the Model Context Protocol (MCP). It helps users obtain real-time updates from teams and channels and supports multiple transmission methods, such as SSE (Server-Sent Events) and standard input/output.

How to Use the Mattermost MCP Server?

After installing and configuring the environment, you can start the server with simple commands, select the appropriate transmission mode, and begin receiving real-time messages from Mattermost.

Use Cases

Suitable for enterprises or individual users who need to monitor Mattermost teams and channels in real-time, such as customer support, project collaboration, and meeting minutes.

Main Features

Connect to the Mattermost APIConnect directly to the Mattermost API to obtain real-time information about teams and channels.

Support Multiple Transmission ModesProvide two transmission methods, SSE (Server-Sent Events) and standard I/O, to meet different needs.

Team and Channel MonitoringFocus on message monitoring of specific teams and channels to improve efficiency.

Secure Authentication MechanismAuthenticate through a secure token to ensure the security of data transmission.

Advantages and Limitations

Advantages

Real-time message processing for instant response to team dynamics.

Support multiple transmission modes for high flexibility.

Easy to deploy and configure, reducing the usage threshold.

Strong security measures to protect sensitive information.

Limitations

Requires Node.js version 22 or higher.

The configuration process may involve encryption operations, which can be a bit complex for beginners.

Limited to monitoring authorized Mattermost teams and channels.

How to Use

Clone the Repository and Install Dependencies

First, you need to clone this project locally and run `npm install` to install the required dependencies.

Set Environment Variables

Create a `.env` file and fill in the necessary configuration items, such as the Mattermost endpoint and API Token.

Build and Start the Server

Execute `npm run build` to build the project, then run `npm start` to start the server.

Usage Examples

Real-time Monitoring of Specified ChannelsSpecify the Mattermost teams and channels to be monitored through the configuration file and receive new messages in real-time.

Debugging and TestingUse the standard input/output mode in the development environment to quickly verify the configuration.

Frequently Asked Questions

How to Ensure the Security of My Configuration File?

Which Transmission Modes Does the Server Support?

How to Solve the Problem of Failed Dependency Installation?

Related Resources

Model Context Protocol TypeScript SDK

The official SDK for building MCP clients.

MCP Inspector

A tool for debugging and testing the MCP server.

Node.js Official Documentation

Learn the basics and the latest version of Node.js.

🚀 Mattermost MCP Server Project

This project implements a Model Context Protocol (MCP) server integrated with Mattermost. It connects to the Mattermost API endpoints to retrieve and process various information and provides this information through standard MCP transmission methods.

🚀 Quick Start

This project offers a Mattermost - integrated MCP server. It connects to Mattermost API endpoints, retrieves and processes information, and provides it via standard MCP transmission methods.

✨ Features

Connect to Mattermost API endpoints.
Support multiple transmission modes:
- Server - Sent Events (SSE).
- Standard Input/Output (I/O).
Real - time message processing.
Team and channel - specific monitoring.
Token - based security authentication.

📦 Installation

Prerequisites

Node.js >= 22
npm >= 10
dotenvx
- dotenvx

Steps

Clone this repository:

git clone https://github.com/kakehashi-inc/mattermost-mcp-server.git
cd mattermost-mcp-server

Install dependencies:

npm install

Set up environment variables:

# Create .env file
cp .env.example .env

# Encrypt your .env file (recommended in production)
dotenvx encrypt

Required environment variables:

MCP_PORT: Port number for SSE transmission mode (default: 8201).
MATTERMOST_ENDPOINT: Your Mattermost server URL.
MATTERMOST_TOKEN: Your Mattermost authentication token.
MATTERMOST_TEAM_ID: ID of the team to monitor.
MATTERMOST_CHANNELS: List of channel names to monitor (comma - separated).

Build the server:

npm run build

💻 Usage Examples

Basic Usage

The server supports two transmission modes:

SSE Transmission Mode

npm start

Standard I/O Transmission Mode

npm start -- --stdio

Advanced Usage

npm run dev: Start the server in development mode with hot - reload feature.
npm run lint: Run ESLint.
npm run format: Format the code using Prettier.
npm test: Run tests.
npm run inspect: Run the MCP inspection tool.

📚 Documentation

📄 License

This project is licensed under the MIT license.

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