addyosmani/agent-skills

What it does

A collection of production-grade engineering skills that encode the workflows, quality gates, and best practices senior engineers rely on, packaged so AI agents follow them consistently. Nine slash commands map to the full development lifecycle, from spec to ship.

What's inside

It ships 25 skills organized across six phases (DEFINE, PLAN, BUILD, VERIFY, REVIEW, SHIP) with 9 slash commands like /spec, /plan, /build, /test, /review, and /ship, installable individually or as a set.

Tech stack

Primarily JavaScript, installed via the open skills CLI (npx skills add) and compatible with 70+ agents including Claude Code, Cursor, Codex, Copilot, and Cline.

Use cases

• Developers using AI coding agents like Claude Code or Cursor who want consistent engineering standards
• Teams looking to add quality gates and standardized workflows to AI-assisted development
• Individual developers wanting a structured flow via /spec, /plan, /build commands
• Researchers interested in agent engineering and skill/prompt design

Why it's trending

Backed by Addy Osmani's reputation and its timely focus on engineering discipline for AI agents, it has reached ~103k stars with 677 added today, ranking 6th on GitHub Trending.

Current chart placements