marthesselink/pagespeed-optimizer
Codex skill for Lighthouse-backed performance audits and before/after Core Web Vitals reports.
Codex skill for Lighthouse-backed performance audits and before/after Core Web Vitals reports.
npx add-skill marthesselink/pagespeed-optimizerCodex skill for Lighthouse-backed performance audits and before/after Core Web Vitals reports.
Agentic skills based on the standard SDLC workflow. These are the skills I use daily to build software.
Integrate structured review panel findings into implementation plans with full traceability
Produce unique designs that actually work. A seven-phase deterministic agent skill (THINK → RESEARCH → SHAPE → BUILD → VERIFY → ITERATE → SHIP) with vision-evaluator subagent and DESIGN.md emission.
Look: image-to-action — takes a photo and produces a validated action draft for calendar, shopping, receipts, and more.
Agent skill for building macOS notch apps. Works with Claude Code, Cursor, Copilot, and 40+ agents.
Claude Code skill: build a fully self-contained HTML presentation — pitch decks or topic explainers