AI Code Reviews that find real bugs
Sentinel reviews your GitHub PRs with skill-specific rules — React, TypeScript, Node.js, databases. No noise. No hallucinated advice. Just issues that matter.
Free tier · No credit card required · 50 reviews/month
Built for developers who hate noise
Most AI code review tools flood you with obvious suggestions. Sentinel only tells you what matters.
Skill-driven reviews
Knows the difference between React components, TypeScript utilities, Express APIs, and database models. Uses the right ruleset for each.
Zero noise
Suppresses generic advice like "add PropTypes" or "consider caching". Only flags issues it can prove are real bugs.
Instant on every PR
Type /sentinel review on any PR comment to trigger a full review. Critical issues appear as inline comments exactly where the bug is.
VSCode extension
Review any open file directly in your IDE without touching GitHub. Get feedback before you even push.
Generous free tier
50 reviews per month, unlimited files per PR, powered by Groq's blazing-fast Llama 3.3 70B. No credit card required.
Your code stays private
Code is sent to the LLM for review and immediately discarded. Nothing is stored or used for training.
Up and running in 2 minutes
No config files. No YAML. Just install and review.
Install the GitHub App
One-click install on your repos. Sentinel gets access to read your PRs and post review comments.
Open a Pull Request
Comment /sentinel review on any PR. Sentinel detects your tech stack and applies the right review rules.
Get inline comments
Critical bugs appear as inline comments on the exact line. A summary shows all issues grouped by severity.
50 reviews/month free · No credit card