Agent Skills

Production-grade engineering skills for AI coding agents

Encode the workflows, quality gates, and best practices that senior engineers use when building software. Package them so AI agents follow them consistently across every phase of development.

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Skills

Ready to Transform Your AI Development?

Install Agent Skills in 70+ AI coding agents and unlock production-grade workflows

Get Started on GitHub

The Complete Development Lifecycle

DEFINE
▶
PLAN
▶
BUILD
▶
VERIFY
▶
REVIEW
▶
SHIP
Idea
Refine
/spec
Spec
PRD
/plan
Code
Impl
/build
Test
Debug
/test
QA
Gate
/review
Go
Live
/ship

8 Slash Commands for Every Phase

/spec
Define what to build
Spec before code
/plan
Plan how to build it
Small, atomic tasks
/build
Build incrementally
One slice at a time
/test
Prove it works
Tests are proof
/review
Review before merge
Improve code health
/webperf
Audit web performance
Measure before optimize
/code-simplify
Simplify the code
Clarity over cleverness
/ship
Ship to production
Faster is safer

All 24 Production-Grade Skills

Meta

using-agent-skills - Map work to right skill

Define

interview-me - Extract requirements
idea-refine - Explore concepts
spec-driven-dev - Write PRDs

Plan

planning - Task breakdown

Build

incremental - Vertical slices
test-driven - Red-green-refactor
context-engineering - Right info
source-driven - Framework docs
doubt-driven - Adversarial review
frontend-ui - Component design
api-design - Contract-first

Verify

browser-testing - DevTools MCP
debugging - Five-step triage

Review

code-review - Five-axis
code-simplify - Reduce complexity
security - OWASP prevention
performance - Measure-first

Ship

git-workflow - Trunk-based dev
ci-cd - Shift left
deprecation - Code as liability
documentation - ADRs
observability - Instrument as build
shipping - Staged rollouts

Quick Start - Any Agent, One Command

The open skills CLI installs into 70+ agents (Claude Code, Cursor, Codex, Copilot, Cline, and more)

npx skills add addyosmani/agent-skills # install all 24 skills
npx skills add addyosmani/agent-skills --list # browse before installing

Or grab individual skills:

npx skills add addyosmani/agent-skills --skill code-review-and-quality # five-axis review
npx skills add addyosmani/agent-skills --skill interview-me # requirements interrogation
npx skills add addyosmani/agent-skills --skill test-driven-development # red-green-refactor

Native Integrations

Claude Code

Marketplace install

Cursor

.cursor/rules/ setup

Antigravity CLI

Native plugin

Gemini CLI

Auto-discovery

Windsurf

Rules configuration

GitHub Copilot

Personas & instructions

OpenCode

AGENTS.md execution

Kiro

.kiro/skills/ support