Skill search for "skill".

Create new skills, modify existing skills, run evals, benchmark performance, and optimize a skill's description for better triggering accuracy. The meta-skill for building SKILL.md skills.

Drive headless and headed browsers with Playwright: navigate, fill forms, take screenshots, scrape, and run end-to-end tests. Use whenever the user wants to automate a browser.

Perform a thoughtful code review: correctness, readability, performance, security, tests. Use when the user pastes a diff or PR and wants critical feedback.

Collection of 20+ general-purpose skills by Jesse Vincent (obra) for thinking clearly, debugging, refactoring, planning, writing tests, and shipping code. The most popular community skill bundle.

Build interactive data visualisations with D3.js: bar charts, line charts, scatter plots, geographic maps, force-directed graphs. Use when the user wants custom, code-driven charts beyond Chart.js.

Bundle of scientific computing skills: numerical methods, statistics, plotting with matplotlib, scientific Python (numpy, scipy, pandas). Use when the user is doing research, analysis, or simulation.

Critical-thinking adversarial reviewer skill. Use when you want Claude to deliberately stress-test a plan, design, or argument and surface the weakest links.

Security engineering skills from Trail of Bits: cryptography review, secure code review, blockchain audit patterns, threat modeling. Use when the user wants serious security analysis.

Use shadcn/ui components correctly in Next.js / React projects: install the right primitives, follow the radix patterns, theme via CSS variables. Use when the user is building a polished React app.

Build and deploy Cloudflare Workers / Pages: Hono routing, D1 SQLite, KV, R2, Durable Objects, secrets, wrangler. Use when the user is on the Cloudflare edge.

Run a thorough technical SEO audit on a website: meta titles, descriptions, canonicals, sitemap, structured data, internal linking, Core Web Vitals. Use when the user wants to improve organic traffic.

Systematically debug failing code: form hypotheses, isolate variables, add targeted logging, run minimal reproductions. Use when the user is stuck on a bug.

Experimental skills lab by obra — early-stage ideas, in-progress skills, and prototypes. Useful if you want to track what's coming next.

Drive the iOS simulator from Claude: launch apps, interact with UI, take screenshots, inspect view hierarchies. Use when building or QAing iOS apps locally.

Build React Native apps with Expo: navigation, native modules, EAS build pipelines, deployment to App Store and Play Store. Use whenever the user works on a mobile app with Expo.

Run safe, idiomatic git operations: rebases, interactive rebase, cherry-picks, conflict resolution, bisect, history rewriting. Use when the user is debugging a tricky git situation.

Design schemas, write performant queries, debug query plans, manage migrations, and operate PostgreSQL safely. Use when the user is working with a Postgres database.

Produce a production-grade Dockerfile and docker-compose setup for an existing project: multi-stage builds, small images, healthchecks, secrets handling.

Author and refactor Terraform/OpenTofu modules. Use when the user is provisioning AWS, GCP, Azure or Cloudflare infrastructure as code.

Write and debug Kubernetes manifests: Deployments, Services, Ingress, ConfigMaps, Secrets, HPA. Use when the user is operating workloads on Kubernetes.

Refactor code safely with small, testable steps: extract function, rename, simplify conditionals, eliminate duplication. Use when the user wants to improve code without changing behaviour.