GitHub Integration MCP Server
remote-capable server
The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.
Integrations
Provides functionality to extract diffs from GitHub Pull Requests, allowing retrieval of PR diff content by specifying repository owner, repo name, and PR number.
Serves as the runtime environment for the MCP server, requiring version 18.0.0 or higher for operation.
Used for input validation within the MCP server to ensure proper parameter formatting before API requests are processed.
GitHub Integration
The GitHub MCP server provides functionality to extract diffs from Pull Requests.
Available Tools
get_diff_pr
Retrieves the diff content from a GitHub Pull Request.
Parameters:
owner: Repository owner/organization namerepo: Repository namepr_number: Pull Request number
Returns: Object containing:
content: String containing the PR diff
Authentication
Required: Set the GitHub Personal Access Token as an environment variable:
The token needs at least repo scope permissions to access private repositories. For public repositories, a token with public_repo scope is sufficient.
Error Handling
The server implements standard error handling:
- Missing/invalid token returns
ErrorCode.AuthenticationError - Invalid repository details return
ErrorCode.InvalidParams - Non-existent PR returns
ErrorCode.NotFound - Failed diff fetches return formatted error messages
- Graceful shutdown on SIGINT
Technical Details
- Built using the Highlight AI MCP SDK
- Uses GitHub REST API v3
- Input validation via Zod
- Runs as a stdio-based MCP server
- Supports Node.js >=18.0.0
Limitations
- Rate limits apply based on GitHub API restrictions
- Large diffs may be truncated according to GitHub API limits
- Token requires appropriate repository access permissions
This server cannot be installed
Extracts diffs from GitHub Pull Requests, allowing users to retrieve and analyze changes between branches in a repository.