Open StandardFree & Open Source

Agent Skills

Modular skills for agents that make AI coding assistants smarter. Browse, download, and install agent skills that work across Claude Code, Codex CLI, ChatGPT, GitHub Copilot, Cursor, and 14+ other platforms.

658+ Agent Skills Available

What Are Agent Skills?

Agent skills are modular packages of instructions, scripts, and resources that give AI coding agents specialized knowledge and capabilities. Unlike simple prompts that you type once and forget, they persist across sessions. When you install them, the agent loads the relevant skill automatically whenever it matches your current task.

Each one lives in its own directory with a required SKILL.md file containing YAML frontmatter (metadata) and markdown instructions. When a session starts, the agent reads only the name and description of each installed skill. Full instructions are loaded on-demand, keeping token usage efficient. This lazy-loading approach means you can have dozens installed without any performance penalty.

Agent skills represent a fundamental shift in how we interact with AI coding assistants. Instead of repeating the same instructions manually, they encode your best practices, workflows, and domain knowledge into reusable packages. Teams can share them across projects, ensuring consistency and saving hours of repetitive prompting. what are agent skills.

The SKILL.md format was originally created by Anthropic for Claude Code as a way to provide reusable skills for agents. Since then, agent skills have been adopted as an open standard across the AI coding ecosystem. OpenAI adopted the format for Codex CLI in late 2025. GitHub integrated it into Copilot shortly after. Tools like Cursor, Windsurf, and Gemini CLI now all support the same standard.

This cross-platform compatibility means one skill works everywhere. Write it once, and it runs in 14+ AI coding tools with no vendor lock-in and no format conversion needed. Whether your team uses Claude Code, Codex CLI, or Cursor, the same agent skills deliver the same results. Agent Skills GitHub.

The ecosystem has grown rapidly. As of 2026, there are hundreds of thousands available across various platforms and repositories. Claude Skills Hub curates the highest-quality agent skills and makes them easy to discover, preview, and install. Agent Skills Marketplace.

Why Use Agent Skills?

Save Time

Agent skills eliminate repetitive prompting. Instead of explaining the same workflow every session, you encode your instructions once and they apply automatically. Teams report saving 2-3 hours per developer per week after adopting this approach.

Ensure Consistency

When everyone on your team uses the same agent skills, code quality becomes consistent. They encode your coding standards, testing patterns, and review checklists. Every team member gets the same guidance regardless of their experience level.

Cross-Platform

Agent skills use the open SKILL.md standard that works across 14+ AI coding tools. Your investment is not locked to any single vendor. Share them between Claude Code, Codex CLI, ChatGPT, Cursor, and more without any modifications.

Easily Shareable

Since agent skills are just files, you can share them via Git, ZIP, or package managers. Publish to GitHub for the community, or keep them private within your organization. They are version-controlled and easily maintained, just like your source code.

Token-Efficient

Unlike system prompts that consume tokens on every request, agent skills use lazy loading. The agent only loads the full content when relevant. Having many installed costs almost nothing in baseline token usage — a key advantage over alternative approaches.

Grow with You

Start with community agent skills and gradually build your own. They can be simple (a single SKILL.md file) or complex (collections with multiple sub-skills and scripts). As your needs evolve, your library grows with you.

Compatible With 14+ AI Coding Tools

Every agent skill on this site uses the open SKILL.md standard. Install them in any compatible tool — one format, every platform.

Claude Code
Codex CLI
ChatGPT
GitHub Copilot
Cursor
Windsurf
Gemini CLI
Roo Code

Plus Trae, Amp, Factory, Goose, and other tools that support the SKILL.md standard.

Types of Agent Skills

They cover a wide range of use cases. Here are the most popular categories available on Claude Skills Hub, each addressing a different aspect of software development.

Development Agent Skills

These help with code generation, code review, refactoring, and architecture decisions. They encode best practices for specific frameworks, languages, and patterns. Popular choices include frontend design, API builder, and MCP builder.

Testing Agent Skills

Testing-focused agent skills automate test generation, test-driven development workflows, and quality assurance. They ensure comprehensive test coverage and consistent testing patterns. Webapp testing and TDD guide are popular options in this category.

Productivity Agent Skills

Productivity-focused ones automate document processing, file organization, and workflow management. They handle repetitive tasks like generating PDFs, processing spreadsheets, and managing invoices — freeing up developer time for higher-value work.

Security Agent Skills

Security-focused agent skills perform vulnerability scanning, compliance checking, and threat analysis. They help teams maintain security standards without specialized expertise and integrate into existing development workflows seamlessly.

Explore all categories in our Agent Skills Directory, or browse the full collection in the Agent Skills Marketplace.

Top Agent Skills

Browse Marketplace

The most popular agent skills on Claude Skills Hub, ranked by community engagement. Each one is free, open source, and compatible with all major AI coding platforms.

FFmpeg Video Editor

Generate FFmpeg commands from natural language video editing requests - cut, trim, convert, compress, change aspect ratio, extract audio, and more.

315.2kmahmoudadelbghany
Creative

Article Illustrator

When the user wants to add illustrations to an article or blog post. Triggers on: "illustrate article", "add images to article", "generate illustrations", "article images", or requests to visually enh...

315.2kwpank
Creative

Persona Channel Builder

Design and launch an autonomous AI-managed Telegram channel. Interview-driven persona creation → SOUL.md + CHANNEL.md + cron config + 3 sample posts. Ready to deploy on OpenClaw.

315.2kaggel008
Creative

AI Image Generation & Editor — Nanobanana, GPT Image, ComfyUI

Generate images from text with multi-provider routing — supports Nanobanana 2, Seedream 5.0, GPT Image, and local ComfyUI workflows. Includes 1,300+ curated prompts and style-aware prompt enhancement....

315.2kjau123
Creative

Figma

Professional Figma design analysis and asset export. Use for extracting design data, exporting assets in multiple formats, auditing accessibility compliance, analyzing design systems, and generating c...

315.2kmaddiedreese
Creative

IMA Studio — All-in-One AI Creation

All-in-One AI creation: images (SeeDream 4.5, Midjourney, Nano Banana 2), videos (Wan 2.6, Kling, Veo 3.1, Sora, Pixverse, Hailuo, SeeDance, Vidu), music (Suno sonic, DouBao), TTS (seed-tts-2.0). Unif...

315.2kallenfancy-gan
Creative

IMA Studio Image Generation

AI image generation with SeeDream 4.5, Midjourney, Nano Banana 2, Nano Banana Pro. Text-to-image, image-to-image with intelligent model selection and knowledge base support. BEFORE using: READ ima-kno...

315.2kallenfancy-gan
Creative

IMA Studio Video Generation

Premier AI video generation with models: Wan 2.6, Kling O1, Kling 2.6, Google Veo 3.1, Sora 2 Pro, Pixverse V5.5, Hailuo 2.0, Hailuo 2.3, SeeDance 1.5 Pro, Vidu Q2. One-stop access across text-to-vid...

315.2kallenfancy-gan
Creative

Lead Radar

Every morning, scans Reddit, Hacker News, Indie Hackers, Stack Overflow, Quora, Hashnode, Dev.to, GitHub, and Lobsters for people actively asking for what you sell. Delivers the top 10 buying-intent l...

315.2kbencpnd
Creative

Xiaohongshu Uploader

Upload images and videos to Xiaohongshu Creator Platform using a local MCP server with browser automation. Features enhanced title validation and improved draft saving.

315.2kpxfeng
Creative

Affiliate Marketing

Design and optimize affiliate programs with partner scoring, commission economics, tracking QA, fraud controls, and compliance reviews.

315.2kivangdavila
Creative

deAPI AI Media Suite (Community)

The cheapest AI media API on the market. Generate images (Flux), music (AceStep), speech with voice cloning, transcribe video/audio, OCR, video generation, background removal, upscale, style transfer,...

315.2kzrewolwerowanykaloryfer
Creative

Browse by Category

Agent skills are organized into categories based on their primary use case. Browse by category to find the right ones for your workflow.

How to Install Agent Skills

Getting started takes just a few minutes regardless of which platform you use. Download from our marketplace, then follow the steps for your specific tool.

🟠

Claude Code

1

Download a ZIP from the Hub

2

Extract to ~/.claude/skills/

3

Claude automatically discovers and uses the skill

🟢

Codex CLI

1

Download from the Hub

2

Place in .codex/skills/

3

Codex loads them automatically on next session

📐

Cursor, Copilot & More

1

Download the SKILL.md file

2

Place in your tool's skills directory

3

Your tool discovers and activates it automatically

Building Your Own Agent Skills

Creating agent skills is surprisingly simple. At minimum, you need just a directory with a single SKILL.md file. This file contains YAML frontmatter defining the name and description, followed by markdown instructions that tell the agent what to do when the skill is activated.

More advanced agent skills can include scripts, templates, reference documentation, and configuration files. The format supports a layered architecture — the agent first reads metadata, then loads full instructions only when relevant. This means complex skills with extensive documentation do not slow down your sessions.

Once built, you can share your agent skills with the community. Publish to GitHub and they become discoverable. You can also submit directly to Claude Skills Hub through our submission process. Agent Skills GitHub.

For best practices on building them, check our agent skills best practices guide. It covers structure, testing, and optimization techniques that help your creations perform reliably across different AI platforms.

Agent Skills vs MCP

Agent skills and MCP (Model Context Protocol) are complementary technologies, not competitors. Skills teach agents what to do; MCP connects them to external systems. Most teams use both together.

Agent SkillsMCP
PurposeTeach agents how to do thingsConnect agents to external systems
FormatSKILL.md files (markdown + YAML)JSON-RPC protocol
SetupDrop a file — no server neededRequires a running server
Best forRepeatable workflows, code generation, style guidesLive data, API calls, database queries
Token costLow — loads on demandMedium — always in context

Explore Agent Skills

Discover them through multiple entry points. Whether you want to browse, search, or find them on GitHub, we have you covered.

Agent Skills FAQ

What are agent skills?

Agent skills are modular, reusable packages that give AI coding agents specialized capabilities. Each one contains a SKILL.md file with instructions that the agent loads on demand. They work across Claude Code, Codex CLI, ChatGPT, GitHub Copilot, Cursor, and 14+ other tools that support the open SKILL.md standard. To learn more, visit our comprehensive guide on what are agent skills.

How do I install agent skills?

Installing them is straightforward. For Claude Code, download from the Hub and extract to ~/.claude/skills/. For Codex CLI, place them in your project's .codex/skills/ directory. For other tools, copy the SKILL.md file to the tool's skills folder. You can browse and download from our agent skills marketplace.

Are agent skills free?

Yes, all agent skills on Claude Skills Hub are free and open source. Most are published under MIT, Apache 2.0, or similar permissive licenses. You can use them in personal and commercial projects without any cost. Browse the full collection in our agent skills directory.

Do agent skills work with Codex, ChatGPT, and GitHub Copilot?

Yes. They use the open SKILL.md standard, which has been adopted by Claude Code, OpenAI Codex CLI, ChatGPT, GitHub Copilot, Cursor, Windsurf, Gemini CLI, and many more. One skill works across all compatible platforms with no conversion needed.

What is the difference between agent skills and MCP?

Agent skills and MCP (Model Context Protocol) are complementary. Skills provide procedural knowledge — they teach agents HOW to perform tasks through instructions and workflows. MCP provides tool connectivity — it connects agents to external systems. Use them together: agent skills for workflows and domain expertise, MCP for live data access and system integration.

Where can I find agent skills on GitHub?

Thousands of open-source options are available on GitHub. The official Anthropic repository, community repos, and individual developer repos all host them. Visit our agent skills GitHub page for a curated list of the best repositories, or browse directly in the agent skills directory.

Learn More

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