addyosmani / agent-skills
Summary
Addyosmani's "Agent Skills" is a collection of 24 production-grade engineering skills designed to guide AI coding agents through the software development lifecycle. This open-source project packages senior engineer workflows, quality gates, and best practices, ensuring AI agents consistently apply them from idea refinement to shipping. It features 7 slash commands that correspond to development phases like /spec, /plan, /build, /test, /review, and /ship, with an optional /build auto for autonomous task execution. Each skill provides a structured workflow, verification requirements, and anti-rationalization tables to prevent agents from skipping critical steps. The package also includes 4 specialist agent personas and 4 reference checklists. It supports integration with various platforms such as Claude Code, Cursor, Antigravity CLI, Gemini CLI, GitHub Copilot, and other agents that accept Markdown-based instructions. The skills embed principles from Google's engineering culture, promoting disciplined, production-quality software development.
Key takeaway
For AI Engineers integrating coding agents into their development pipelines, adopting Agent Skills is crucial for enforcing production-grade engineering discipline. This framework ensures your agents follow established best practices, from rigorous specification and incremental building to comprehensive testing and security reviews. You should implement these structured workflows to standardize agent behavior, reduce common errors, and significantly elevate the quality and reliability of agent-generated code, moving beyond prototype-level outputs.
Key insights
AI coding agents can achieve production-grade software quality by following structured, verifiable engineering workflows and best practices.
Principles
- Spec before code
- Tests are proof
- Verification is non-negotiable
Method
AI agents execute structured workflows, activated by 7 slash commands, across define, plan, build, verify, review, and ship phases. Each skill includes steps, checkpoints, anti-rationalization, and evidence requirements.
In practice
- Install via `/plugin marketplace add addyosmani/agent-skills` for Claude Code
- Use `/build auto` for autonomous task execution
- Apply specialist personas like `code-reviewer` for targeted quality gates
Topics
- AI Agents
- Software Engineering
- Development Workflow
- Code Quality
- Test-Driven Development
- CI/CD
Code references
Best for: AI Architect, Machine Learning Engineer, AI Engineer, Software Engineer, MLOps Engineer
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