See the full picture of your AI dev tools.
Evidence-based insights into how your team and AI tools actually perform. From code review to release.
Your team uses AI to code. Now measure the impact.
Engineering leaders are making tooling decisions worth hundreds of thousands of dollars. Guardian gives you the evidence to invest with confidence.
developers now use AI coding tools. The teams that measure their impact get more value from every dollar spent.
Guardian is the first tool that measures whether AI code review comments actually lead to code changes.
When the CFO asks about your AI tools, Guardian gives you a clear, data-backed answer.
A metric only Guardian provides
Reviewer effectiveness: the percentage of review comments that lead to actual code changes. The simplest question in engineering, and the one that reveals the most.
Reviewer effectiveness measured as the percentage of review comments that lead to code changes within the same PR.
How it works
No workflow changes. Guardian observes. You decide.
Connect
Install the GitHub App. One OAuth click, no code changes required.
Analyze
Guardian analyzes months of your PR and review history. Real data from real repositories.
Know
Receive reviewer effectiveness scores, team profiles, and AI tool benchmarks. Data, not opinions.
Built for engineering teams
of developers already measured
Engineering teams use Guardian to get clear, independent answers about how their AI tools and reviewers perform.
Discover your team's numbers.
Connect your repo and see how your reviewers and AI tools actually perform.
Schedule a Demo