AI PR Reviewer - AdamAI

GitHub Action using Claude to automatically review PRs. Caught bugs human reviewers missed.

Real Example

Flagged an in-memory rate-limiting bug -- state would disappear on deployment and fail across multiple server instances.

Technical Details

• Setup: One GitHub workflow file, one API secret
• Cost: ~$0.003-$0.02 per review; ~$1-2/month for 20 PRs daily
• Implementation: 250 lines Python, zero external dependencies (only urllib, json, re)
• Model Options: Claude Sonnet (default) or Opus for complex reviews

Issue Categories

Critical, Major, or Minor. Verdicts like "REQUEST CHANGES."

Strengths

Missing error handling, SQL injection risks, auth logic flaws, edge cases.

Limitations

Cannot understand codebase conventions beyond the diff itself.

Key Insight

"When you're deep in how something works, you stop seeing what it assumes."