AI Coding Tool Rules Compared
Compare AI coding tool rule formats side by side. FindUtils Skills supports all formats with one CLI.
Rule Format Comparison
| AI Tool | File Name | File Path | Docs |
|---|---|---|---|
| Claude Code | CLAUDE.md | CLAUDE.md (project root) | Docs |
| Cursor | .mdc | .cursor/rules/{name}.mdc | Docs |
| GitHub Copilot | copilot-instructions.md | .github/copilot-instructions.md | Docs |
| Windsurf | .windsurfrules | .windsurf/rules/ or .windsurfrules | Docs |
| Cline | .clinerules | .clinerules (project root) | Docs |
| Aider | .aider.conf.yml | .aider.conf.yml or CONVENTIONS.md | Docs |
| Codex / OpenAI | AGENTS.md | AGENTS.md (project root) | Docs |
| Gemini CLI | GEMINI.md | GEMINI.md or .gemini/ | Docs |
Use Any Format with One CLI
FindUtils Skills auto-detects your AI tool and writes the correct format:
npx @findutils/skills add react-typescript --tool cursorOr let the CLI auto-detect from your project files.