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GitHub Integration MCP Server

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GitHub
JavaScript
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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 name
  • repo: Repository name
  • pr_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:

export GITHUB_TOKEN=<your-github-token>

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

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security - not tested
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license - not found
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quality - not tested

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.

Extracts diffs from GitHub Pull Requests, allowing users to retrieve and analyze changes between branches in a repository.

  1. Available Tools
    1. get_diff_pr
  2. Authentication
    1. Error Handling
      1. Technical Details
        1. Limitations

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