The 5 agent skills I use everyday Developer Matt Pocock shares five agent skills he uses daily to enhance AI coding assistants like Codex, covering research, design review, React best practices, code simplification, and end-to-end testing of desktop apps. /grill-me https://github.com/mattpocock/skills/blob/main/skills/productivity/grill-me/SKILL.md for research and planning /taste-review https://github.com/bholmesdev/skills/blob/main/skills/taste-review/SKILL.md to let Codex make more tasteful design decisions by asking Claude you'll need the claude CLI installed for this /vercel-react-best-practices https://github.com/vercel-labs/agent-skills/blob/main/skills/react-best-practices/SKILL.md for improving the quality of React component these agents generated /simplify https://github.com/bholmesdev/skills/blob/main/skills/simplify/SKILL.md to improve code quality, reduce comment wordiness, and improve system architecture /test-desktop-app https://github.com/bholmesdev/hubble.md/blob/main/.agents/skills/test-desktop-app/SKILL.md to test Electron apps end-to-end. If you work on a different kind of app, write your own version