addyosmani/agent-skills
addyosmani/agent-skills provides a curated collection of production-grade engineering workflows and quality gates formatted for artificial intelligence coding agents. The repository bundles twenty-five distinct engineering skills alongside nine specialized slash commands that guide agents through every phase of the software delivery lifecycle. These phases encompass specification drafting with `/spec`, task breakdown with `/plan`, iterative implementation with `/build`, rigorous test-driven verification with `/test`, policy enforcement with `/constraints`, pre-merge evaluation with `/review`, web performance auditing with `/webperf`, refactoring with `/code-simplify`, and safe deployment with `/ship`. The project also includes automated continuous execution modes like `/build auto`. The GitHub snapshot shows the repository is not archived and records an MIT license.
The target audience comprises software engineers and development teams seeking consistent engineering discipline across tools such as Claude Code, Cursor, Antigravity CLI, Gemini CLI, Windsurf, OpenCode, and GitHub Copilot. For universal installation across over seventy supported coding agents, developers can run `npx skills add addyosmani/agent-skills` or select individual capabilities using the `--skill` parameter. Claude Code users can install directly through the plugin marketplace using `/plugin marketplace add addyosmani/agent-skills` followed by `/plugin install agent-skills@addy-agent-skills`, or run locally using `claude --plugin-dir`. Dedicated setup instructions are documented for Cursor and Antigravity CLI. The README compares the approach with Superpowers and mattpocock/skills.
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