Repo Skill AI — Curated AI Skills & Apps from GitHub

A curated list of open-source AI skills, plugins and apps from GitHub — explained in plain English, with install commands and usage notes. For Claude Code, GPT, Gemini, Cursor, Windsurf and other AI tools.

Browse by platform: Claude · GPT · Gemini · MCP · Multi-model

Top Claude Code

• Matt Pocock Skills — Matt Pocock's skill set for AI coding assistants: writing clear requirements, testing, and reviewing for bugs.
• Superpowers — A set of skills and a disciplined way of working for AI coding assistants.
• Official Anthropic Skills — Anthropic's official repository of “skills” that teach AI new tasks.
• Ponytail — Forces the AI to pick the simplest solution, with less unnecessary code and less overengineering.
• Claude Code — An AI coding tool that runs in your Terminal: it understands your whole project, handles repetitive tasks, explains cod…
• Graphify — Turns an entire project (code, docs, SQL, PDFs) into a queryable graph.
• Caveman — A skill + proxy for coding agents that saves about 65% of tokens (the amount of text sent to the AI) by compressing sen…
• Claude Mem — Long-term memory for AI: it remembers past work across sessions, so you don't have to explain everything from scratch.
• Impeccable — Teaches AI “an eye for design”: it inspects and polishes the interface on its own and catches issues before shipping.
• Understand Anything — Turns code into an interactive, clickable graph that helps you quickly understand an unfamiliar project.
• Chrome DevTools MCP — Lets AI use a real Chrome browser: open pages, inspect errors, measure performance, and click through websites to test …
• skills CLI — Install Skills With One Command — A tool that installs “skills” for AI assistants with a single npx skills command.
• Agent Skills (Vercel) — Vercel's official skill set for AI assistants: building React and Next.js websites.

Coding

• Matt Pocock Skills — Matt Pocock's skill set for AI coding assistants: writing clear requirements, testing, and reviewing for bugs.
• Superpowers — A set of skills and a disciplined way of working for AI coding assistants.
• andrej-karpathy-skills — A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitf…
• OpenCode — An open-source AI coding assistant that runs in your Terminal.
• MarkItDown — A Microsoft tool that converts PDF, Word, Excel, images, web pages… into clean Markdown text for AI to read.
• claude-api — A reference for the Claude API / Anthropic SDK — model IDs, pricing, parameters, streaming, tool use, MCP, agents, cach…
• mcp-builder — A guide to building high-quality MCP (Model Context Protocol) servers so LLMs can call external services through well-d…
• skill-creator — Create new skills, edit and improve existing ones, and measure skill performance — run test evals and benchmarks, and o…
• webapp-testing — A toolkit for interacting with and testing local web apps using Playwright — verify frontend functionality, debug UI be…
• Ponytail — Forces the AI to pick the simplest solution, with less unnecessary code and less overengineering.
• Claude Code — An AI coding tool that runs in your Terminal: it understands your whole project, handles repetitive tasks, explains cod…
• Graphify — Turns an entire project (code, docs, SQL, PDFs) into a queryable graph.
• Codex CLI — OpenAI's lightweight AI coding assistant that runs in your Terminal.
• Browser Use — Let AI control the browser on its own: open sites, click buttons, fill forms, and collect data for you.
• Caveman — A skill + proxy for coding agents that saves about 65% of tokens (the amount of text sent to the AI) by compressing sen…
• Claude Mem — Long-term memory for AI: it remembers past work across sessions, so you don't have to explain everything from scratch.
• Gemini CLI — The Gemini AI assistant right in your command line: ask questions, read and edit code.
• Awesome MCP Servers — A curated list of hundreds of “MCP servers” (bridges that let AI use tools), organized by topic.
• OpenHands — An AI software engineer: give it a task and it writes code, runs tests, and searches the web to get it done.
• MCP Servers (Official) — The official set of bridges (MCP) that let AI access files, the web, databases…
• Understand Anything — Turns code into an interactive, clickable graph that helps you quickly understand an unfamiliar project.
• codegraph — A pre-indexed code knowledge graph that auto-syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, A…
• OpenAI Cookbook — OpenAI's official example collection: sample code and guides for using the GPT API.
• Cline — An autonomous AI coding assistant: use it as an IDE extension, a command-line tool, or an SDK.
• LiteLLM — A gateway to 100+ AI models through one unified calling format, with cost tracking and load balancing.
• Goose — An AI assistant that runs on your computer: it installs, runs, edits, and tests on its own, with any AI model.
• Chrome DevTools MCP — Lets AI use a real Chrome browser: open pages, inspect errors, measure performance, and click through websites to test …
• Claude Cookbooks — Anthropic's official example collection: sample code for learning to use Claude AI effectively.
• Aider — Pair programming with AI right in your Terminal: the AI edits code in your git project.
• open-code-review — Secure, fast, efficient, battle-tested at Alibaba's scale. A hybrid-architecture code review tool: deterministic pipeli…
• skills CLI — Install Skills With One Command — A tool that installs “skills” for AI assistants with a single npx skills command.
• Continue — An open-source AI coding assistant that plugs into your code editor.
• Code Reviewer — Reviews code for bugs, vulnerabilities, and poorly written sections.
• OpenAI Agents SDK — OpenAI's framework for building multiple “AI agents” that work together.
• Repomix — Packs an entire code project into one file you can paste to AI, so the AI understands the whole project.
• Roo Code — An AI coding assistant in VS Code: writes, edits, and runs code for you like a teammate.
• Google ADK (Agent Dev Kit) — Google's toolkit for building your own “AI agents” that can carry out multi-step tasks on their own.
• opcode (Claudia) — A GUI app for Claude Code: manage sessions and AI assistants in a window instead of typing commands.
• Gemini Cookbook — Google's official example collection: sample code for using the Gemini API.
• LLM (simonw) — A command-line tool for querying many AI models right in your Terminal.

Web & UI

• algorithmic-art — Creates algorithmic (generative) art with p5.js using seeded randomness and interactive parameters — flow fields, parti…
• brand-guidelines — Applies Anthropic's official brand colors and typography to any artifact that needs the company's look and feel, visual…
• canvas-design — Creates beautiful visual art as .png and .pdf files using design thinking — posters, artwork, static pieces. Original d…
• frontend-design — Guidance for designing distinctive interfaces with taste when building new UI or redesigning old UI — aesthetic directi…
• theme-factory — A toolkit for applying themes to artifacts — slides, docs, reports, HTML landing pages… Comes with 10 color/font themes…
• web-artifacts-builder — A toolkit for building complex, multi-component HTML artifacts for claude.ai with modern web tech (React, Tailwind CSS,…
• ui-ux-pro-max-skill — An AI skill that provides design intelligence for building professional UI/UX across multiple platforms. - nextlevelbui…
• Impeccable — Teaches AI “an eye for design”: it inspects and polishes the interface on its own and catches issues before shipping.
• AI Website Cloner — Clone a website with a single command using an AI assistant.
• Agent Skills (Vercel) — Vercel's official skill set for AI assistants: building React and Next.js websites.
• Frontend Design — The most downloaded item in the collection: helps Claude build interfaces with taste instead of cookie-cutter designs.
• Mobile Design — How to build interfaces that feel comfortable in the hand on a phone.
• UI UX Pro Max — 50 styles, 21 color palettes, and 50 font pairings ready for Claude to choose from.
• design.md — design.md helps AI/agents keep the UI consistent by describing the design system as YAML tokens.
• designlang — Extract a Website's Colors and Fonts — Extracts a website's entire design system (colors, fonts, spacing…) with a single command.
• Web Clone Skill — Guides AI to faithfully recreate a website from its real source code, without making code up.
• Elementor MCP — A bridge that lets AI build pages and manage WordPress websites.
• Check Websites for Vietnamese Law Violations with AI (vn-law-check) — Legal audit for websites under Vietnamese law (Personal Data Protection 91/2025, E-Commerce 122/2025, Cybersecurity 116…

Automation & Chatbots

• Hermes Agent — An AI assistant that grows with your needs (Nous Research).
• n8n — A visual workflow automation platform with built-in AI and 400+ integrations.
• academy-guide — Suggests matching courses, guides, and use cases from Claude Academy when users ask how to use Claude or Claude product…
• discernment-nudge — After an important answer, adds 2–3 open-ended questions tied closely to the content just produced, helping users verif…
• AutoGPT — A platform for building “autonomous AI agents”: set up a workflow and let the AI work through it step by step.
• prompts.chat (Awesome ChatGPT Prompts) — A huge library of ready-to-use prompt templates for ChatGPT and other AI.
• Dify — Drag-and-Drop Chatbot Builder — A platform for building AI apps and document Q&A assistants, deployed in the cloud or self-hosted.
• Open WebUI — Your Own ChatGPT — An easy-to-use AI chat interface that works with local AI (Ollama) and the OpenAI API.
• Browser Use — Let AI control the browser on its own: open sites, click buttons, fill forms, and collect data for you.
• Agent-Reach — Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongS…
• Awesome MCP Servers — A curated list of hundreds of “MCP servers” (bridges that let AI use tools), organized by topic.
• RAGFlow — Reading Complex Documents — A tool that helps AI answer accurately based on your documents.
• AnythingLLM — Document Q&A — An all-in-one AI app that runs on your computer: ask questions about your own documents and keep your data private.
• AutoGen — Microsoft's framework for multiple “AI agents” to talk, split up work, and solve hard problems together.
• Flowise — No-Code Chatbots — Build AI assistants with drag-and-drop, with little coding needed.
• Goose — An AI assistant that runs on your computer: it installs, runs, edits, and tests on its own, with any AI model.
• LibreChat — Self-host your own ChatGPT on your server, connected to multiple AI models at once.
• Chatwoot — Customer Support Inbox — Open-source omnichannel customer support software (chat, email), an alternative to Intercom/Zendesk.
• Chatbot UI — A clean, good-looking AI chat interface that works with any AI model.
• Claude Completion Alerts — Shows a desktop notification when Claude Code finishes or needs your reply.
• OpenAI Agents SDK — OpenAI's framework for building multiple “AI agents” that work together.
• 280+ Free n8n Templates — 280+ free n8n automation templates: Gmail, Telegram, Slack, Drive, Notion, OpenAI…
• n8n MCP — A bridge that lets Claude/Cursor/Windsurf build n8n workflows for you.
• Google ADK (Agent Dev Kit) — Google's toolkit for building your own “AI agents” that can carry out multi-step tasks on their own.
• n8n Self-Hosted AI Starter Kit — A starter kit for setting up an AI environment on your own server, curated by n8n.
• Typebot — Chat Scripts for Collecting Orders — A drag-and-drop chatbot builder you can self-host on your own server.
• n8n Skills — An n8n skill set for Claude Code for building proper n8n workflows.
• 200+ AI-Powered n8n Workflows — 200+ plug-and-play n8n automation workflow templates, combined with AI.

Web & Facebook Publishing

• Postiz — An AI-powered social media scheduling tool for managing multiple channels in one place.
• Content Research Writer — Writes research-backed articles with cited sources and a consistent voice.
• SEO Optimizer — A widely downloaded SEO skill: keyword research and revising posts to rank on Google.
• Social Media Content — Writes and schedules posts for Facebook, LinkedIn, X, and TikTok in your brand voice.
• Claude Blog — A blog writer for Claude Code: it researches sources on its own, writes posts that meet Google's standards, and include…
• WordPress MCP Adapter — A bridge that lets AI (via MCP) call the functions of WordPress plugins/themes.
• Elementor MCP — A bridge that lets AI build pages and manage WordPress websites.
• Facebook MCP — A bridge that lets AI manage Facebook for you: publish posts, moderate comments, and view insights.
• SocialClaw — A tool that lets AI schedule social media posts: X, Facebook, TikTok, YouTube…

Sales & Marketing

• Twenty CRM — Open-source customer relationship management (CRM) software, a Salesforce alternative built for the AI era.
• Marketing Skills — A marketing skill set for Claude Code: ad copywriting, SEO, and conversion optimization.
• Postiz — An AI-powered social media scheduling tool for managing multiple channels in one place.
• Chatwoot — Customer Support Inbox — Open-source omnichannel customer support software (chat, email), an alternative to Intercom/Zendesk.
• Lead Finder — Claude reads up on your product, then finds companies/people likely to buy, with the reasons why.
• SEO Optimizer — A widely downloaded SEO skill: keyword research and revising posts to rank on Google.
• Social Media Content — Writes and schedules posts for Facebook, LinkedIn, X, and TikTok in your brand voice.
• listmonk — Self-hosted email marketing and mailing list software that you install on your own server.
• Typebot — Chat Scripts for Collecting Orders — A drag-and-drop chatbot builder you can self-host on your own server.
• AI Sales Team — An AI sales team for Claude Code: find prospects, score leads, draft emails, and write proposals.
• eCommerce Skills — An online selling skill set for AI: product research, marketing, and analytics.
• Meta Ads MCP — A bridge that lets AI read and adjust Facebook/Instagram ads.
• ClipForge — An open-source AI tool for making sales videos: from 1 product photo, it extracts selling points, writes a script, adds…
• Facebook Ad Library — A bridge that lets AI search the Facebook Ad Library: just ask to see which ads your competitors are running.

AI Video

• slack-gif-creator — Knowledge and tools for creating animated GIFs optimized for Slack — with size constraints, validation tools, and anima…
• ComfyUI — A powerful node-based AI image generation tool: build workflows by dragging and dropping nodes to create and edit image…
• MoneyPrinterTurbo — Enter a topic and the AI writes the script, assembles the visuals, and adds a voiceover to produce a short HD video.
• HyperFrames — Write HTML and get a video — designed for AI to build videos automatically.
• NarratoAI — Uses AI to narrate and edit videos automatically with a single click.
• Remotion Skills — Skills that let AI make videos with code (Remotion).
• AI Shorts Generator — Automatically cuts long YouTube videos into short vertical clips (shorts) with AI.
• SmartSub — A free app for generating and translating subtitles, AI dubbing, and burning subtitles into videos; runs offline on you…
• ClipForge — An open-source AI tool for making sales videos: from 1 product photo, it extracts selling points, writes a script, adds…

Office

• MarkItDown — A Microsoft tool that converts PDF, Word, Excel, images, web pages… into clean Markdown text for AI to read.
• doc-coauthoring — Guides users through a structured workflow for co-writing documents — technical docs, proposals, specs, decision docs: …
• docx — Create, read, edit, and process Word files (.docx) and Word templates (.dotx) — tables of contents, headings, page numb…
• internal-comms — A set of resources for writing all kinds of internal communications in the formats companies commonly use — status repo…
• Official Anthropic Skills — Anthropic's official repository of “skills” that teach AI new tasks.
• pdf — Handles every PDF task — reading and extracting text/tables, merging, splitting, rotating, watermarking, creating, fill…
• pptx — Create, read, extract, and edit PowerPoint files (.pptx) and templates (.potx) — slides, pitch decks, presentations, me…
• theme-factory — A toolkit for applying themes to artifacts — slides, docs, reports, HTML landing pages… Comes with 10 color/font themes…
• xlsx — Handles any task involving spreadsheet files (.xlsx, .xlsm, .xltx, .csv, .tsv): open, read, edit, add columns, calculat…
• Advanced PDF — Read PDFs, fill forms, extract tables, and recognize text in scanned images (OCR).
• Excel — Read, create, and edit Excel files: formulas, tables, charts.
• PowerPoint — Create presentation slides from existing content.
• Word — Create and edit Word documents: contracts, price quotes, official letters.

Game Development

• Claude-Code-Game-Studios — Turns Claude Code into a game studio with 49 AI assistants playing different roles.
• blender-mcp — Connects Blender to Claude through MCP — AI-assisted 3D modeling, scene creation and asset manipulation. Great for buil…
• Unity-MCP — AI skills, MCP tools and a CLI for Unity Engine — a full AI develop-and-test loop, with any C# method turned into a too…

Vietnamese Voice (TTS)

• VieNeu-TTS — A Vietnamese text-to-speech model built by Vietnamese developers. It clones a voice instantly from just 3–5 seconds of …
• valtec-tts — Clone any voice from 3–10 seconds of audio, no GPU needed. A ready-to-run Windows app (.exe) is included, so there is n…
• viet-tts — An open-source Vietnamese TTS toolkit with natural-sounding speech and solid voice cloning from a single audio sample.
• KorvaTTS — A TTS model built for mixed Vietnamese–English speech: Vietnamese sentences with brand names and tech terms dropped in …
• VietVoice-TTS — Vietnamese TTS that lets you pick a male or female voice in a Northern, Central or Southern accent. A good fit for voic…