addyosmani-agent-skills
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A collection of production-grade engineering skills for AI coding agents that encode structured workflows, quality gates, and best practices across every phase of the software development lifecycle from spec writing to deployment.
Prove it works with tests and real browser data.
Small slices, right context, clean interfaces.
Refined ideas and structured requirements before code.
An agent skill for browser testing with DevTools, part of a production-grade engineering skills collection that encodes senior engineer workflows and quality gates for every phase of the software development lifecycle.
Treats code as a liability and walks through deprecation/migration end-to-end: when to maintain vs sunset (decision questions), advisory vs compulsory deprecation, the migration process (build replacement → announce/document → migrate consumers incrementally → remove old system), and patterns like Strangler, Adapter, and feature-flag migration. Calls out Hyrum's Law, the Churn Rule, zombie code, and common rationalizations to push back on.
A one-question-at-a-time interview skill that extracts what the user actually wants to build by asking probing questions until reaching ~95% confidence, designed for underspecified or ambiguous project requirements.
Production-grade engineering skills encoding senior-level workflows, quality gates, and best practices for every phase of the software development lifecycle.
Production-grade engineering skills for AI coding agents that enforce structured workflows, quality gates, and best practices across the full software development lifecycle including spec, planning, build, testing, review, and shipping.
Plan-mode-first skill that decomposes a spec into small, verifiable tasks with explicit acceptance criteria — covering task sizing, dependency ordering, checkpoint design, and writing tasks small enough for an agent to execute reliably. Part of Addy Osmani's Agent Skills collection encoding senior-engineer workflows across Define / Plan / Build / Verify / Review / Ship phases.