# Self-Grading Agent Loop Studio > Execute Boris Cherny and Karpathy 5-beat iterative loops with automatic harsh grading until clearing quality gates >= 8/10. - **Category / Silo**: ai - **Free Access**: Yes (No credit card required) ## Tool Description Execute Boris Cherny and Karpathy 5-beat iterative loops with automatic harsh grading until clearing quality gates >= 8/10. ## Key Steps & Implementation 1. **Define Goal**: Enter your target deliverable and measurable pass criteria. 2. **Execute Loop**: The engine runs multi-pass drafting and harsh auto-grading. 3. **Export Deliverable**: Copy the verified, high-scoring final output. ## Key Benefits - Eliminates manual prompt babysitting - Enforces objective quality gates - Sub-second turnaround --- URL: https://cacto.cc/tools/ai/agent-loop-studio