Automated testing is a powerful way to find mistakes in code written by AI. This skill focuses on regression testing for AI-assisted development. It helps you catch hidden bugs that the same AI model might miss when reviewing its own work. The key idea is to test for bugs that were already found, so they do not come back.
Use sandbox mode to run tests without a real database. This makes testing fast and safe. The patterns here cover API route changes, bug fixes, and feature flags. They are designed for projects built with AI tools like Claude Code, Cursor, or Codex.
These tests catch the number one AI mistake: differences between sandbox and production code paths. Write tests for bugs you have already seen, not for code that already works.
Global
mkdir -p ~/.claude/skills/ai-regression-testingProject
mkdir -p .claude/skills/ai-regression-testingSource Repository
Grill Memattpocock/skills
Stress-test your plan with relentless questions until we both understand
Tddmattpocock/skills
Write one test at a time then code to make it pass
Test Driven Developmentobra/superpowers
Write a failing test first then code just enough to pass
Webapp Testinganthropics/skills
Test your local web apps quickly with Playwright automation and screenshots
Qamattpocock/skills
Turn bug reports into GitHub issues through natural conversation without technical fuss
Migrate To Shoehornmattpocock/skills
Replace unsafe as assertions with type-safe partial test data easily
Playwright Best Practicescurrents-dev/playwright-best-practices-skill
Master Playwright testing with best practices for reliable and fast tests
Google Agents Cli Evalgoogle/agents-cli
Run evaluations on your AI agent, find failures, and improve its quality step by step