GitHub Code Review MCP Server

A Model Context Protocol (MCP) server for GitHub code review. This server provides read-only access to GitHub repositories, branches, commits, and pull requests, enabling AI assistants to perform code reviews without write permissions.

Features

List repositories, branches, commits, and pull requests
Access file contents from different branches and commits
View pull request comments and reviews
Search code across repositories
Access code scanning alerts

Related MCP server: GitHub MCP Server

Prerequisites

Python 3.8 or higher
A GitHub Personal Access Token with appropriate read permissions

Installation

# Clone the repository git clone https://github.com/milind-kulshrestha/github-code-review-mcp-server.git cd github-code-review-mcp-server # Install dependencies pip install -e .

Usage

Environment Setup

# Set your GitHub Personal Access Token export GITHUB_PERSONAL_ACCESS_TOKEN=your_token_here

Running the Server

# Run the server with standard input/output python -m github_code_review

Configuration Options

GITHUB_PERSONAL_ACCESS_TOKEN: Your GitHub Personal Access Token (required)
GITHUB_HOST: GitHub host (defaults to github.com, can be set for GitHub Enterprise)

Implementation Details

This MCP server follows the structure of the original GitHub MCP Server but is implemented in Python and focuses exclusively on read-only functionality for code review purposes.

Available Tools

Repository tools: list_branches, list_commits, get_commit, get_file_contents
Pull request tools: get_pull_request, list_pull_requests, get_pull_request_comments
Code scanning tools: list_code_scanning_alerts, get_code_scanning_alert