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Code Review MCP Server

Orcus2021/code-review-mcp-server

This tool is a Model Context Protocol (MCP) server that provides automated code review and leaves GitHub PR comments for any app that supports MCP integration.

View on GitHub2

Install

npx -y code-review-mcp-server

Client configuration

{
  "mcpServers": {
    "code-review-tool": {
      "command": "npx",
      "args": [
        "-y",
        "code-review-mcp-server"
      ],
      "env": {
        "GITHUB_TOKEN": "<GITHUB_TOKEN>",
        "NOTION_API_KEY": "<NOTION_API_KEY>",
        "NOTION_CODE_REVIEW_GUIDELINE_CODE_BLOCK_URL": "<NOTION_CODE_REVIEW_GUIDELINE_CODE_BLOCK_URL>",
        "NOTION_STYLE_GUIDELINE_CODE_BLOCK_URL": "<NOTION_STYLE_GUIDELINE_CODE_BLOCK_URL>",
        "LOCAL_INSTRUCTIONS_FILE_PATH": "<LOCAL_INSTRUCTIONS_FILE_PATH>",
        "IGNORE_PATTERNS": "<IGNORE_PATTERNS>"
      }
    }
  }
}

Environment variables

GITHUB_TOKENNOTION_API_KEYNOTION_CODE_REVIEW_GUIDELINE_CODE_BLOCK_URLNOTION_STYLE_GUIDELINE_CODE_BLOCK_URLLOCAL_INSTRUCTIONS_FILE_PATHIGNORE_PATTERNS
GitHub stars
2
Author
@Orcus2021
Category
Version Control, Developer Tools
Updated
Oct 6, 2026

Features

  • Compare code differences between two git branches

  • Compare code differences from GitHub pull request URLs

  • Add summary comments to GitHub pull requests

  • Add line-specific comments to GitHub pull requests

  • Provide detailed code review guidelines

  • Support Notion integration to retrieve review guidelines from Notion code blocks, with default guidelines as fallback

  • Support local markdown files for complete review instructions

  • Include pre-configured style and code review guidelines

  • Read PR templates from local directories

  • Create GitHub Pull Requests with auto-detection of repository information

Tools (7)

  • CodeReview

    Runs git diff between branch and base branch.

  • GetLocalGitDiff

    Get git diff between two branches locally.

  • CodeReviewWithGithubUrl

    Fetches diff from a GitHub PR URL.

  • AddPRSummaryComment

    Adds a summary comment to a GitHub PR.

  • AddPRLineComment

    Adds multiple comments to specific lines in a GitHub PR.

  • GetPRTemplate

    Read PR template from specified folder path and template name, returns template content or default template if not found.

  • CreatePR

    Create a new GitHub Pull Request with specified title, body, and branches.

Details on this page are taken from the project's README. Open README

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