GitHubAI Skills, Agents & MCP · Agent rules
Curated real-world AGENTS.md files, templates, guides and tooling for Codex-style and cross-vendor agents.
Why it’s a gem
AGENTS.md is becoming the cross-vendor standard and this is the only real corpus.
Opinionated cursor rules repo that also ships a maintained AGENTS.md translation of the same rule set.
Library of DESIGN.md files capturing real brand design systems — colour, type, spacing — in a format coding agents can read directly.
Large collection of .cursorrules and .mdc rule files organised by framework and language for Cursor and Windsurf.
Advanced .mdc rules for Cursor covering agent memory management and multi-step development workflows.
Machine-generated .mdc rule files derived from library documentation, one rule set per package.