# Claude Skills (claudeskills.page) > An independent directory of 504 free, MIT-licensed Agent Skills for Claude Code. Each skill is a SKILL.md playbook (workflow, decision tables, commands, pitfalls, verification) that installs into ~/.claude/skills/ or a project's .claude/skills/. Claude Skills is an independent, community-run directory. It is not affiliated with, endorsed by, or sponsored by Anthropic. "Claude" and "Claude Code" are trademarks of Anthropic, PBC, used here only to describe the tool these skills are written for. Install any skill: `curl -fsSL https://claudeskills.page/install.sh | sh -s -- ` (add `--project` for the current repo). Every skill page shows the complete SKILL.md and bundled files. Full catalog as JSON: https://claudeskills.page/skills.json. Every skill, including its complete SKILL.md, in one file: https://claudeskills.page/llms-full.txt. ## Guides - [What Are Claude Code Skills? A Practical Explainer](https://claudeskills.page/guides/what-are-claude-code-skills/): Claude Code skills are folders of instructions that Claude loads only when needed. Learn how SKILL.md works and when a skill beats CLAUDE.md or a prompt. - [The Best Claude Code Skills in 2026, by Use Case](https://claudeskills.page/guides/best-claude-code-skills/): The Claude Code skills worth installing first, grouped by job: debugging, code review, frontend, databases, security, DevOps, documents and AI apps. - [How to Install Claude Code Skills (5 Ways)](https://claudeskills.page/guides/install-claude-code-skills/): Install Claude Code skills with a one-line command, a zip, a git-committed project folder, a plugin marketplace, or a claude.ai upload. Verify with /skills. - [SKILL.md Format: Every Frontmatter Field Explained](https://claudeskills.page/guides/skill-md-format/): A complete SKILL.md reference: required fields, open-standard keys, Claude Code extras like context: fork and paths, arguments, variables, and examples. - [How to Write Your First Claude Code Skill, Step by Step](https://claudeskills.page/guides/write-your-first-skill/): Build a real migration-review skill for Claude Code from scratch: folder setup, a description that triggers, a checklist, a bundled script, and testing. - [Claude Code Skill Examples: 10 Real SKILL.md Files, Annotated](https://claudeskills.page/guides/claude-skill-examples/): Ten real SKILL.md files, annotated: trigger descriptions, checklists, decision tables, bundled scripts and references, gotchas, and a copyable template. - [Skills vs Slash Commands, Subagents, Hooks, and MCP: Which to Use?](https://claudeskills.page/guides/skills-vs-commands-subagents-mcp/): Compare Claude Code skills, slash commands, subagents, hooks, MCP servers, CLAUDE.md, and plugins in one table, with clear rules for when to use each. - [Claude Code Skill Not Triggering? 9 Fixes That Work](https://claudeskills.page/guides/skill-not-triggering/): Fix a Claude Code skill that will not load or trigger: YAML errors, name and folder mismatches, vague descriptions, precedence collisions, and context budget. - [Personal vs Project Skills: Where Claude Code Skills Live](https://claudeskills.page/guides/personal-vs-project-skills/): Where Claude Code loads skills from: personal, project, nested, --add-dir, plugin, and enterprise locations, how precedence works, and which to choose. - [How to Share Claude Code Skills With Your Team](https://claudeskills.page/guides/share-skills-with-your-team/): Share Claude Code skills with a team: commit project skills to git, package them as a plugin with a marketplace, version releases, and review changes safely. - [Using Skills on claude.ai, the Claude API, and the Agent SDK](https://claudeskills.page/guides/skills-on-claude-ai-and-api/): How Agent Skills work outside Claude Code: zip uploads on claude.ai, the /v1/skills API with code execution, the Agent SDK, and what stays portable. - [12 Best Practices for Writing Claude Code Skills](https://claudeskills.page/guides/skill-authoring-best-practices/): Twelve rules for writing Claude Code skills that trigger reliably and work: concise bodies, trigger-ready descriptions, checklists, scripts, and real tests. - [Are Claude Code Skills Safe? How to Audit a Skill Before Installing](https://claudeskills.page/guides/are-claude-code-skills-safe/): Claude Code skills can run scripts and shell commands with your permissions. Learn the red flags, how to audit a skill, and which settings limit the risk. - [Claude Code Plugins: How They Bundle Skills, Commands, Agents, Hooks and MCP Servers](https://claudeskills.page/guides/claude-code-plugins/): What a Claude Code plugin is, how plugin.json and marketplace.json work, how to install with /plugin, and when a plain skill is the better choice. - [Use Agent Skills Outside Claude Code: Codex, Cursor, Gemini CLI, GitHub Copilot, and OpenCode](https://claudeskills.page/guides/agent-skills-in-other-tools/): Which agents read SKILL.md under the Agent Skills open standard, the folders Codex, Cursor, Gemini CLI, Copilot, and OpenCode scan, and what stays portable. ## Categories - [Claude Code Mastery](https://claudeskills.page/skills/claude-code/): 24 skills. Skills, hooks, subagents, MCP and CLAUDE.md done right. - [Engineering Workflow](https://claudeskills.page/skills/workflow/): 22 skills. Debugging, TDD, commits, reviews and refactors. - [Frontend](https://claudeskills.page/skills/frontend/): 28 skills. React, Next.js, Vue, Svelte, Astro, Tailwind, a11y. - [Backend & APIs](https://claudeskills.page/skills/backend/): 26 skills. REST, GraphQL, gRPC, jobs, webhooks, realtime. - [Languages](https://claudeskills.page/skills/languages/): 24 skills. Idiomatic TypeScript, Python, Rust, Go and more. - [Testing](https://claudeskills.page/skills/testing/): 21 skills. Playwright, Vitest, pytest, contracts, load tests. - [DevOps & SRE](https://claudeskills.page/skills/devops/): 25 skills. Docker, Kubernetes, Terraform, CI/CD, observability. - [Cloud Platforms](https://claudeskills.page/skills/cloud/): 21 skills. AWS, GCP, Azure, Cloudflare, Vercel, Supabase. - [Databases](https://claudeskills.page/skills/databases/): 23 skills. Postgres, migrations, ORMs, Redis, analytics DBs. - [Data Engineering](https://claudeskills.page/skills/data/): 22 skills. pandas, Polars, dbt, pipelines, analytics SQL. - [AI Engineering](https://claudeskills.page/skills/ai-ml/): 31 skills. LLM apps, RAG, evals, agents, prompt caching. - [Security](https://claudeskills.page/skills/security/): 25 skills. OWASP review, auth, secrets, headers, supply chain. - [Performance](https://claudeskills.page/skills/performance/): 17 skills. Core Web Vitals, bundles, profiling, caching. - [Architecture](https://claudeskills.page/skills/architecture/): 20 skills. System design, DDD, events, ADRs, boundaries. - [Mobile](https://claudeskills.page/skills/mobile/): 17 skills. Expo, SwiftUI, Compose, Flutter, store releases. - [Design & UX](https://claudeskills.page/skills/design/): 19 skills. Design systems, color, type, layouts, motion. - [Documents & Files](https://claudeskills.page/skills/documents/): 16 skills. PDF, Word, Excel, PowerPoint, OCR, LaTeX. - [Technical Writing](https://claudeskills.page/skills/writing/): 19 skills. READMEs, API docs, RFCs, postmortems, microcopy. - [Integrations](https://claudeskills.page/skills/integrations/): 23 skills. Stripe, auth, email, Slack, GitHub, analytics. - [SEO & Growth](https://claudeskills.page/skills/growth/): 21 skills. Technical SEO, schema, content, CRO, launches. - [Game Development](https://claudeskills.page/skills/gamedev/): 12 skills. Godot, Unity, Unreal, netcode, shaders, physics. - [Embedded & IoT](https://claudeskills.page/skills/embedded/): 11 skills. ESP32, Arduino, RTOS, embedded Rust, MQTT, OTA. - [Product Management](https://claudeskills.page/skills/product/): 13 skills. Discovery, roadmaps, OKRs, user stories, metrics. - [Research & Analysis](https://claudeskills.page/skills/research/): 11 skills. Literature reviews, papers, surveys, fact-checking. - [Automation & Tooling](https://claudeskills.page/skills/automation/): 13 skills. n8n, CLIs, cron, browser bots, dotfiles, git hooks. ## Skills by technology - [TypeScript](https://claudeskills.page/for/typescript/): 37 skills, including TypeScript Strict, tRPC APIs, Temporal Workflows. - [JavaScript](https://claudeskills.page/for/javascript/): 36 skills, including Async Concurrency, Express on Node, Bundle Analysis. - [Python](https://claudeskills.page/for/python/): 61 skills, including Modern Python, Python Profiling, pytest Suites. - [React](https://claudeskills.page/for/react/): 33 skills, including React Patterns, React Router Framework Mode, React Server Components. - [Next.js](https://claudeskills.page/for/nextjs/): 18 skills, including Next.js App Router, React Server Components, Vercel Deploys. - [Vue and Nuxt](https://claudeskills.page/for/vue/): 8 skills, including Vue Composition API, Nuxt Apps, Rendering Strategies. - [Svelte and SvelteKit](https://claudeskills.page/for/svelte/): 6 skills, including SvelteKit Apps, Rendering Strategies, Astro Sites. - [Node.js](https://claudeskills.page/for/nodejs/): 14 skills, including Node.js Profiling, Bun Runtime, Express on Node. - [Go](https://claudeskills.page/for/go/): 5 skills, including Go HTTP Services, Go Idioms, Go pprof Profiling. - [Rust](https://claudeskills.page/for/rust/): 14 skills, including Axum Rust Services, Rust Ownership, Embedded Rust. - [Java and Kotlin on the JVM](https://claudeskills.page/for/java/): 16 skills, including Modern Java, Spring Boot, Kotlin Idioms. - [iOS and Swift](https://claudeskills.page/for/ios/): 19 skills, including iOS Architecture, iOS Widgets, Swift Concurrency. - [Android and Kotlin](https://claudeskills.page/for/kotlin/): 20 skills, including Android Architecture, Kotlin Multiplatform, Kotlin Idioms. - [Flutter and Dart](https://claudeskills.page/for/flutter/): 8 skills, including Flutter Widgets, Dart Language, Mobile UI Patterns. - [PostgreSQL](https://claudeskills.page/for/postgresql/): 29 skills, including Postgres Schema Design, Postgres Indexing, Zero-Downtime Migrations. - [MySQL](https://claudeskills.page/for/mysql/): 9 skills, including MySQL Tuning, Zero-Downtime Migrations, SQL Query Tuning. - [Redis](https://claudeskills.page/for/redis/): 8 skills, including Redis Patterns, Lua Scripting, Realtime WebSockets and SSE. - [SQL](https://claudeskills.page/for/sql/): 25 skills, including SQL Query Tuning, Analytics SQL, DuckDB Analytics. - [Docker](https://claudeskills.page/for/docker/): 14 skills, including Dockerfile Optimization, Docker Compose, Container Security. - [Kubernetes](https://claudeskills.page/for/kubernetes/): 10 skills, including Kubernetes Autoscaling, Kubernetes Deploy, Argo CD GitOps. - [Terraform and IaC](https://claudeskills.page/for/terraform/): 6 skills, including Terraform IaC, AWS CDK, Pulumi IaC. - [AWS](https://claudeskills.page/for/aws/): 23 skills, including AWS IAM Least Privilege, AWS CDK, AWS CloudFront. - [Google Cloud](https://claudeskills.page/for/gcp/): 11 skills, including Google Cloud Run, Firebase Backend, Google BigQuery. - [Microsoft Azure](https://claudeskills.page/for/azure/): 10 skills, including Azure Container Apps, Azure Functions, C# and .NET. - [Cloudflare](https://claudeskills.page/for/cloudflare/): 10 skills, including Cloudflare Workers, Hono on the Edge, S3 and R2 Object Storage. - [GitHub Actions](https://claudeskills.page/for/github-actions/): 16 skills, including GitHub Actions, Playwright E2E, Lighthouse CI. - [Git](https://claudeskills.page/for/git/): 19 skills, including Git Worktree Parallelism, Git History Surgery, Git Hooks Automation. - [GraphQL](https://claudeskills.page/for/graphql/): 10 skills, including GraphQL Schema Design, Shopify Apps, Review Feedback Resolution. - [OpenAPI and REST](https://claudeskills.page/for/openapi/): 9 skills, including OpenAPI Codegen, REST API Design, API Versioning and Deprecation. - [Playwright](https://claudeskills.page/for/playwright/): 11 skills, including Playwright E2E, Cypress E2E, Browser Automation. - [LLM and AI apps](https://claudeskills.page/for/llm/): 28 skills, including LLM App Builder, LLM Batch Jobs, LLM Evals. - [Model Context Protocol](https://claudeskills.page/for/mcp/): 8 skills, including MCP Server Builder, MCP Troubleshooting, Agent SDK Builder. - [PDF](https://claudeskills.page/for/pdf/): 12 skills, including HTML to PDF, PDF Toolkit, Invoice Generation. - [Accessibility](https://claudeskills.page/for/accessibility/): 16 skills, including Accessibility Audit, Mobile Accessibility, Forms and Validation. - [Unity](https://claudeskills.page/for/unity/): 6 skills, including Unity Development, C# and .NET, ECS Architecture. - [Godot](https://claudeskills.page/for/godot/): 6 skills, including Godot Games, Game AI and Pathfinding, Game Performance. - [ESP32 and Arduino](https://claudeskills.page/for/esp32/): 10 skills, including ESP32 Firmware, Firmware OTA Updates, Arduino Projects. ## Collections - [The Starter Pack](https://claudeskills.page/collections/starter-pack/): Ten skills that improve almost every session. - [Claude Code Power User](https://claudeskills.page/collections/claude-code-power-user/): Teach the agent to configure and extend itself. - [Modern Frontend Stack](https://claudeskills.page/collections/modern-frontend/): React, Next.js, Tailwind — shipped accessible and fast. - [Production Backend](https://claudeskills.page/collections/backend-api/): APIs, data and jobs that survive real traffic. - [Ship to Production](https://claudeskills.page/collections/ship-to-production/): From Dockerfile to pager without the drama. - [Security Review Kit](https://claudeskills.page/collections/security-review/): A defensive review your security team would sign. - [AI Engineering](https://claudeskills.page/collections/ai-engineering/): LLM features that are measured, cheap and safe. - [Office Documents](https://claudeskills.page/collections/office-documents/): PDF, Excel, Word and PowerPoint, done properly. - [Solo Founder](https://claudeskills.page/collections/solo-founder/): Build, bill, rank and launch — alone. - [Docs That Get Read](https://claudeskills.page/collections/docs-and-writing/): Documentation people finish reading. - [Game Dev Starter Kit](https://claudeskills.page/collections/game-dev-starter/): Engines, physics, netcode and shaders. - [Embedded & IoT Toolkit](https://claudeskills.page/collections/iot-embedded/): From blinking LED to fleet-wide OTA. - [Product Manager Toolkit](https://claudeskills.page/collections/product-manager-toolkit/): Discovery to launch, with fewer meetings. - [Research Assistant](https://claudeskills.page/collections/research-assistant/): Rigorous reviews with sources that exist. - [Automate Everything](https://claudeskills.page/collections/automate-everything/): Hand the boring parts to scripts. - [Web Performance Kit](https://claudeskills.page/collections/web-performance/): Pass Core Web Vitals and stay passing. - [Data Engineering Stack](https://claudeskills.page/collections/data-engineering/): Pipelines, models and metrics you can trust. - [Ship a Mobile App](https://claudeskills.page/collections/mobile-shipping/): Build, monetize and release on both stores. - [Testing & Quality](https://claudeskills.page/collections/testing-quality/): A test suite you can actually trust. - [Cloud Native Ops](https://claudeskills.page/collections/cloud-native/): Kubernetes, GitOps and observability. - [SEO Toolkit](https://claudeskills.page/collections/seo-toolkit/): Rank in search and get cited by AI. ## Optional - [All skills](https://claudeskills.page/skills/) - [Glossary of skill terms](https://claudeskills.page/glossary/) - [Guidance for AI systems citing this site](https://claudeskills.page/ai.txt) - [About and editorial standards](https://claudeskills.page/about/) - [Sitemap](https://claudeskills.page/sitemap-index.xml) - [RSS](https://claudeskills.page/rss.xml)