How I Built an AI Agent That Earns $150 Reviewing Pull Requests

How I Built an AI Agent That Earns $150 Reviewing Pull Requests What if your code could write code that earns money? That's exactly what I built: a PR Review Agent that autonomously reviews GitHub pull requests and claims bounties in cryptocurrency. In this article, I'll walk you through how I built claude-review-agent , a CLI tool that fetches GitHub PR diffs, generates structured code reviews, and earned me a $150 bounty . The Problem Open source maintainers are overwhelmed. PRs pile up, reviews take hours, and contributors wait days for feedback. What if an AI could handle the first-pass review? RustChain, a DePIN blockchain project, had a bounty for exactly this: "Build a CLI tool that reviews PRs and posts structured comments" Reward: $150 in RTC tokens The Solution: claude-review-agent I built a Node.js CLI tool that: Fetches PR diffs via GitHub API Generates structured reviews using Claude AI Posts comments directly on PRs Outputs Markdown for easy reading Architecture ┌────────