Code review MCP servers

A server here reviews code changes or pull requests for quality or bugs before merging.

Not here: security scanning of dependencies.

563servers
105 remote458 localTagged by Odel's AI, which can make mistakes

Best fit

339 made for this, ranked by starsRemoteLocal
  1. Rigour @rigour-labs/rigourLets coding agents review their change, find an existing helper, and recall the team's lessons.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.27 GitHub stars.
  2. Rails Agent Skills @igmarin/rails-agent-skills-mcpRails development skills, docs, and workflows exposed through MCP stdio.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from Docker.27 GitHub stars.
  3. Grasp — Code Architecture & Dependency Analysis @ashfordeou/graspCodebase analysis: dependency graphs, security scanning, and refactor plans for GitHub and GitLab.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.26 GitHub stars.
  4. N3MO @rajx-dev/n3moN3MO: Code intelligence engine mapping repositories into queryable symbol graphs.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.26 GitHub stars.
  5. Roast My Design System @gregkozakiewicz/roast-my-design-systemAudit your Design System and serve your Agent the rules that keep AI-written UI on-system.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.25 GitHub stars.
  6. Pitroom @atastech/pitroomHands bounded coding work to cheaper worker agents: verified answers, exact diffs, cost receipts.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.24 GitHub stars.
  7. RepoPilot @mykytastel/repopilotLocal, deterministic review of Git changes: weakened tests and CI gates, risky flows, blast radius.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.24 GitHub stars.
  8. Fable Mode @rex-codebase/fable-modeMechanical write gates, evidence receipts, and adversarial review for AI coding agents.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.24 GitHub stars.
  9. Codex Tool @x51xxx/codex-mcp-toolMCP server bridging AI assistants to OpenAI Codex CLI for code analysis and review6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.24 GitHub stars.
  10. FixMap @aryamthecodebreaker/fixmapDeterministic local-first context and impact maps for coding agents from tasks, issues, and diffs.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.21 GitHub stars.
  11. Omen @panbanda/omenMulti-language code analysis for complexity, debt, hotspots, ownership, and defect prediction4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from Docker.21 GitHub stars.
  12. pyslang-mcp @ariklapid/pyslang-mcpCompiler-backed read-only Verilog and SystemVerilog project analysis.2% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.21 GitHub stars.
  13. Buoy @ahoybuoy/buoyDesign tokens and drift checks for coding agents: use the token, not the hardcoded value.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.20 GitHub stars.
  14. Maple @maple-kit/mapleReview comments pinned to a running frontend, read and resolved by your coding agent.Not assessed yet.Runs on your machine, installed from npm.19 GitHub stars.
  15. Ask Claude @lykhoyda/ask-claudeBridge Codex and other MCP clients with Anthropic Claude Code CLI for read-only second opinions5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  16. GitWarren @klarluft/gitwarrenCode review on your own machine, for you and your coding agent. Nothing leaves your computer.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  17. Ask Antigravity @lykhoyda/ask-antigravityBridge Claude with Google's Antigravity CLI (agy) for code review and second opinions6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.18 GitHub stars.
  18. CALM @eilodon/calm-mcpMCP server giving coding agents a call-graph-aware, hash-verified view of a codebase, not grep.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.17 GitHub stars.
  19. Oss Autopilot @costajohnt/oss-autopilotOpen source contribution manager with PR tracking, issue discovery, and CI diagnosis4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.17 GitHub stars.
  20. as a Judge @othervibes/mcp-as-a-judgeMCP as a Judge: a behavioral MCP that strengthens AI coding assistants via explicit LLM evaluations6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.17 GitHub stars.
  21. prodlint @prodlint/prodlintProduction readiness for vibe-coded apps. 52 checks for security, reliability, and performance.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.15 GitHub stars.
  22. Girder @dhishwasher/girderSaves AI coding-agent context by giving exact code instead of whole files, from a local graph.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.14 GitHub stars.
  23. Mergewarden @sjh9714/mergewardenCheck whether a coding agent's changes stayed inside the scope it was given.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.13 GitHub stars.
  24. Kagan @kagan-sh/kaganAI-powered Kanban TUI for autonomous development workflows with agent orchestration5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.12 GitHub stars.