One ruleset. Every AI coding tool.
Describe your project once. Get AGENTS.md, CLAUDE.md, Cursor rules, Copilot and Windsurf files that agree with each other, with path-specific rules so each assistant only loads what it needs.
Tailor it to your repo with ClaudePro, 1 free run
Paste your manifest files and file tree. Claude fills in the steps below with your real commands, stack, folders and path-specific rules. You can review and change everything before downloading. Don't paste .env files or keys.
Get a tree with tree -L 3 -I 'node_modules|vendor|.git', or on Windows tree /A.
Log in to use the free tailored run that comes with every account.
Which tool reads which file
| Tool | Always-on rules | Path-specific rules |
|---|---|---|
| Codex, Jules, Copilot agent and 20+ others | AGENTS.md | A section inside AGENTS.md |
| Claude Code | CLAUDE.md (imports AGENTS.md) | Read from AGENTS.md |
| Cursor | AGENTS.md | .cursor/rules/*.mdc with globs |
| GitHub Copilot | .github/copilot-instructions.md | .github/instructions/*.instructions.md |
| Windsurf | .windsurf/rules/project.md | .windsurf/rules/*.md with glob trigger |
| Gemini CLI | GEMINI.md | A section inside GEMINI.md |
Already have rule files? Paste one into the Rules Doctor for a grade and a list of fixes.