▶ FREE RULES
Free rules for your AI coding tool
One copy-paste rules file per tool, in the format that tool actually reads. Plan first, small diffs, no secrets in code, verify before done. Free, no signup.
- Cursor
.cursor/rules/core.mdc· Project rule (.mdc with frontmatter) - Claude Code
CLAUDE.md (repo root)· CLAUDE.md project memory (Markdown) - Windsurf
.windsurf/rules/core.md· Workspace rule (.md with trigger frontmatter) - Lovable
Project settings → Knowledge· Project knowledge (plain text) - Bolt
Project settings → Knowledge· Project knowledge (plain text)
Want stack-specific rules for Next.js, FastAPI, Godot, Unity and discord.js? See the Rules Mega Pack ($19).