A hand holding a glowing glass game cartridge

154 free AI agent skills for Claude, ChatGPT and CodexPlug in
new skills

Skills teach an AI agent one specific job, like scripting a YouTube video or auditing a site's SEO. Every skill here is free on GitHub, sorted by what it does.

  1. chatgpt-youtube-agent-skill by Jakeschincariol. Runs a YouTube channel from inside ChatGPT. Writes scripts with a scored opening hook, checks your title and thumbnail together, finds where viewers drop off, and pulls Shorts out of long videos.
  2. youtube-agent-skill by Jakeschincariol. The Claude version of the YouTube kit. Writes scripts with a scored hook, checks titles and thumbnails together, turns transcripts into edit lists, and shows where viewers leave.
  3. instagram-agent-skill by Jakeschincariol. Runs an Instagram account. Writes Reels around proven hooks, finds what's working in your niche, writes captions, scores your profile and plans your week.
  4. linkedin-agent-skill by Jakeschincariol. Runs a LinkedIn account. Writes posts, comments on other people's posts, handles replies, scores your profile and plans the week, then strips the AI tone before anything goes out.
  5. x-agent-skill by Jakeschincariol. Runs an X account. Writes posts and threads, handles replies, fixes your profile, and finds posts that are outperforming in your niche so it can rework the winners in your voice.
  6. linkedin-skills by sergebulaev. Writes LinkedIn posts, comments and replies in your voice, removes AI tells, and waits for your approval before anything is published.
  7. social-media-research-skills by ScrapeCreators. Researches social media for you. Finds breakout posts, mines comments, tears down competitors and scans ad libraries across TikTok, Instagram, YouTube, Reddit, X and more.
  8. social-media-skills by blacktwist. Fourteen social media skills that plan your strategy and content calendar, write hooks, posts, threads, carousels and captions, and analyze what performed.
  9. head-of-content by bradautomates. Finds the top-performing content on X, Instagram, YouTube and TikTok, spots the outliers, and turns the patterns into a content strategy.
  10. social-ai-team by stevenflanagan1. Works like a small business's social media team. It sets up your brand voice, plans a content calendar, writes captions and reviews performance each month.
  11. youtube-to-ebook by zarazhangrui. Turns new videos from YouTube channels you follow into magazine-style articles, packages them as an ebook, and can email it to you on a schedule.
  12. youtube-fetcher-to-markdown by JimmySadek. Saves any YouTube video's transcript, chapters and details as a clean Markdown note with clickable timestamps, ready for Obsidian. No API key needed.
  13. content-vault by timscheuerai. Pairs Claude Code skills with a ready-made Obsidian vault to write posts, YouTube scripts and descriptions, newsletters and lead magnets, with help on graphics.
  14. social-media-caption-generator-claude by rediumvex. Writes ready-to-post captions for Instagram, TikTok, Threads, Facebook and YouTube Shorts from a script, notes, a screenshot or a competitor's post.
  15. OpenMontage by calesthio. Plans, sources, edits and renders a finished video from a topic or a reference video, and estimates the cost before it starts.
  16. skills by remotion-dev. Official skills from Remotion, the tool for making videos with code. Teaches your agent to set up Remotion projects and build animated videos the right way.
  17. motion-skills by iart-ai. Teaches your agent to make motion graphics: animated text, animated charts, explainers, TikTok and Reels clips, plus 3D and math animations.
  18. video-production-skills by Jakeschincariol. Turns a written brief into a finished, rendered video, handling the layout, animation, audio mix and media sourcing.
  19. brag by latent-spaces. Makes a short launch video for a project you just built, with music, motion and ready-to-post share text, from one command.
  20. seedance2-skill by dexhunter. Writes better prompts for ByteDance's Seedance 2.0 video generator, with camera language, structure tips and templates for ads, dramas and music videos.
  21. GPT-Image2-Skill by wuyoscar. Collects 160+ tested prompts for OpenAI's GPT Image models, with skills and a command-line tool for generating and editing images.
  22. banana-claude by AgriciDaniel. Creates and edits images with Google's Gemini from plain-language requests. Shows you the plan and estimated cost before any paid request runs.
  23. higgsfield-claude-skills by AKCodez. Automates Higgsfield AI to generate characters, images and Seedance videos, including a full pipeline for UGC-style video ads.
  24. claude-ai-music-skills by bitwize-music-studio. Runs a full album pipeline from a conversation: concept, lyrics, prompts for the Suno music generator, audio mastering and release prep.
  25. web-asset-generator by alonw0. Generates favicons, app icons and social share images from a logo, text or an emoji, in every size you need.
  26. ai-media-generator by Hao0321. Writes director-quality prompts for 14+ image, video and music generators, including Midjourney, Veo, Kling, Sora and Suno, from a simple request.
  27. vox-ai-motion-graphics-generator by Anil-matcha. Turns any topic into a Vox-style paper-collage explainer video, with the script, artwork, animation, voice-over, music and captions done for you.
  28. humanizer by blader. Rewrites AI-generated text so it sounds like a person wrote it, without changing what it says. Based on Wikipedia's guide to spotting AI writing.
  29. avoid-ai-writing by conorbronsdon. Finds and fixes AI-sounding patterns in your writing. Can rewrite in place or just flag the problems, and supports custom voice profiles.
  30. sepia by Nanako0129. Removes the AI feel from fiction and work writing. Repairs story structure in fiction and applies the right rules to release notes, tickets and articles.
  31. ai-copywriter by mikiarlo3. Writes attention-grabbing headlines, subject lines, short descriptions and microcopy, then removes the signs of AI writing.
  32. drama-skills by zenstory-ai. Makes AI short dramas and micro-dramas. Writes the script, builds character assets and storyboards, and drafts the image and video prompts.
  33. marketingskills by coreyhaines31. Marketing help for founders and marketers: conversion optimization, copywriting, SEO, analytics and growth experiments.
  34. claude-seo by AgriciDaniel. Runs a full SEO audit of a website, covering technical SEO, content quality, structured data, AI search, local and e-commerce SEO, and hands back a prioritized fix list.
  35. claude-ads by AgriciDaniel. Audits and plans paid ads across 12 platforms, including Google, Meta, TikTok and LinkedIn. Read-only by default, so nothing changes in your accounts without approval.
  36. ai-marketing-claude by zubair-trabzada. Audits any website's marketing, writes copy and email sequences, builds ad campaigns and content calendars, and produces client-ready PDF reports.
  37. aaron-marketing-skills by aaron-he-zhu. Covers storytelling, SEO, social, email, paid ads, influencers and launches with 120 marketing skills, each with its own quality check.
  38. ai-marketing-skills by ericosiu. Complete marketing and sales workflows: growth experiments, sales pipeline, content operations, outbound, SEO and finance automation.
  39. notfair-plugin by nowork-studio. Audits your site, investigates traffic drops, reads Google Analytics and Search Console, and finds wasted ad spend across Google, Meta and more.
  40. open-seo-mcp-skills by Ryze-AI-Adgent. Does keyword research, rank tracking, site audits, backlink checks and AI-visibility checks using your own Search Console, Analytics and ads data.
  41. marketing-skills by irinabuht12-oss. 49 marketing skills for Google Ads, Meta Ads, SEO and AI visibility. Can connect to your live ad accounts for real numbers.
  42. openclaudia-skills by OpenClaudia. Nearly 80 skills that act like a marketing department: SEO audits, content writing, email, ads, analytics and growth.
  43. coldoutboundskills by growthenginenowoslawski. Sets up and runs cold email campaigns. Finds leads, writes the copy, grades campaigns and handles the sending setup.
  44. ai-marketing-claude-code-skills by BrianRWagner. Proven marketing frameworks your agent can run, each with quick, standard or deep modes, from a fast answer to a full audit.
  45. Agentic-SEO-Skill by Bhanunamikaze. An SEO analysis skill with 16 sub-skills and 10 specialist agents that gather evidence from your site and write up what to fix.
  46. eCommerce-Skills by nexscope-ai. 150+ skills for online sellers on Amazon, Shopify, Etsy, eBay, TikTok Shop and Walmart: product research, marketing, supply chain and analytics.
  47. ui-ux-pro-max-skill by nextlevelbuilder. Picks layouts, styles, color palettes and fonts that suit your industry, then generates a complete design system for your project.
  48. hallmark by Nutlope. Builds web pages that don't look AI-generated. Picks a fresh layout and one of 21 themes for each brief, then checks the result against dozens of AI-look tests.
  49. ui-skills by ibelick. Collects UI skills for design engineers in a registry you can browse from the terminal or connect to your agent, plus a playbook of UI lessons.
  50. stitch-skills by google-labs-code. Skills from Google Labs for Stitch, Google's AI design tool, so your coding agent can create and work with Stitch designs.
  51. frontend-design by Ilm-Alan. Gives your agent eight distinct visual styles, each with set colors, fonts and textures, so the frontend it builds has a deliberate look.
  52. design-dna by zanwei. Studies screenshots or websites you like, captures their style as a reusable design profile, then builds new UI that matches it.
  53. huashu-design by alchaincyf. Designs in HTML from a prompt: high-fidelity prototypes, slides and animations, with a built-in design review and MP4 export.
  54. web-quality-skills by addyosmani. Checks and improves your website's speed, accessibility and SEO using Google Lighthouse and Core Web Vitals. Works with any framework.
  55. auteur by agiwhitelist. Builds a website the way a director makes a film. Locks the art direction first, generates the assets, then blocks release until the site passes an AI-look check.
  56. appllama-skills by Appllama. Helps your agent design mobile app screens by studying the top-grossing apps in your category, then building screens that hold up next to them.
  57. archify by tt-a1i. Draws an interactive diagram of an idea, a plan or a codebase that you can explore and share: architecture, workflows, data flows and more.
  58. diagram-design by cathrynlavery. Draws clean, magazine-quality diagrams in 42 types, from flowcharts and timelines to Sankey charts and database schemas.
  59. drawio-skill by Agents365-ai. Builds editable draw.io architecture diagrams from plain descriptions, code or config files, and keeps them in sync as the system changes.
  60. visual-explainer by nicobailon. Replaces your agent's messy text diagrams with clean web pages and slide decks for architecture, code reviews, plans and data tables.
  61. guizang-ppt-skill by op7418. Creates polished HTML slide decks in magazine and Swiss-style layouts, plus image prompts and social media covers.
  62. dashi-ppt-skill by chuspeeism. Creates presentations you can edit in the browser, in a choice of visual themes, and exports them to HTML, PDF or PowerPoint.
  63. revealjs-skill by ryanbbrown. Creates professional Reveal.js slide presentations from a description, with themes, charts, icons, speaker notes and PDF export.
  64. academic-pptx-skill by Gabberflast. Makes academic presentations for conference talks, seminars, thesis defenses and grant briefings, with clear takeaway titles and proper citations.
  65. superpowers by obra. Makes your coding agent work out what you actually want before it writes any code, then plan, build and test it step by step.
  66. agent-skills by addyosmani. Senior-engineer workflows for coding agents, from writing the spec to planning, building, testing and review, with a quality check at each stage.
  67. ponytail by DietrichGebert. Makes your coding agent write far less code for the same result, which tends to make it cheaper and faster without dropping safety checks.
  68. claude-skills by Jeffallan. 67 specialist skills for full-stack developers, covering languages, frameworks, APIs, testing, DevOps, security and data. The right one switches on for each request.
  69. planning-with-files by OthmanAdi. Keeps your agent's plan, findings and progress in files on disk, so long tasks survive crashes, resets and running out of context.
  70. i-have-adhd by ayghri. Makes your coding agent lead with the answer: action first, numbered steps, no filler.
  71. skills by cloudflare. Official Cloudflare skills that teach your agent to build on Workers, the Agents SDK and the rest of Cloudflare's developer platform.
  72. terraform-skill by antonbabenko. Best practices for Terraform and OpenTofu: testing, module structure, CI/CD and production-ready infrastructure code on AWS, Azure and GCP.
  73. swift-ios-skills by dpearson2699. 86 skills for building iOS apps with the latest Swift, SwiftUI and Apple frameworks, with no outdated patterns.
  74. pg-aiguide by timescale. Helps your agent write better PostgreSQL by searching the official manual and applying curated Postgres best practices.
  75. playwright-skill by testdino-hq. 70 guides that help your agent write, debug and scale Playwright tests, from end-to-end and API tests to visual and accessibility checks.
  76. cc-devops-skills by akin-ozer. 31 DevOps skills that generate and validate infrastructure and pipeline configs, plus a Kubernetes troubleshooter.
  77. replica-skill by Jakeschincariol. Clones an app. Works out how it functions, rebuilds it, tests it for bugs, and fixes what its users complain about, so you end up with a product of your own.
  78. skills by trailofbits. Security skills from Trail of Bits, a well-known security firm, for finding vulnerabilities and running code audits.
  79. Claude-Red by SnailSploit. Covers offensive security techniques for authorized red-team work, from SQL injection to exploit development.
  80. Claude-BugHunter by elementalsouls. Packs 80+ bug-bounty and red-team skills, with patterns drawn from hundreds of publicly disclosed vulnerability reports.
  81. ctf-skills by ljagiello. Helps you solve capture-the-flag security challenges: web exploits, binary exploitation, cryptography, reverse engineering, forensics and OSINT.
  82. SkillSpector by NVIDIA. Scans an AI agent skill for security problems, like hidden malicious code, prompt injection or data leaks, before you install it.
  83. DevOps-Security-Agent-Skills by BagelHole. 160+ skills for infrastructure and security teams: Kubernetes, Terraform, cloud, container hardening, compliance such as SOC 2, and incident response.
  84. scientific-agent-skills by K-Dense-AI. Gives your agent 177 science skills and access to 100+ scientific databases in biology, chemistry, medicine and drug discovery.
  85. AI-Research-SKILLs by Orchestra-Research. Lets an AI agent carry out AI research end to end, from reviewing the literature and generating ideas to running experiments and writing the paper.
  86. Deep-Research-skills by Weizhena. Runs structured deep research in two phases, outline first and then investigation, with you approving each step. Good for literature reviews and comparing tools or markets.
  87. Auto-claude-code-research-in-sleep by wanshuiyin. Runs machine-learning research while you sleep. Generates ideas, runs experiments, and has a second AI model review the work.
  88. Research-Paper-Writing-Skills by Master-cai. Helps you draft and revise machine-learning and computer-vision research papers section by section, using a professor's proven writing guidance.
  89. AcademicForge by HughYau. Bundles skills for academic research and writing into one install for Claude Code, OpenCode and Codex.
  90. matlab-agentic-toolkit by matlab. The official MathWorks toolkit that connects your agent to MATLAB, so it writes correct MATLAB code and uses toolboxes without guessing.
  91. obsidian-skills by kepano. Teaches your agent to work in your Obsidian vault: notes, Bases, Canvas files and the Obsidian command line. Made by Obsidian's CEO.
  92. claude-obsidian by AgriciDaniel. Builds a second brain in Obsidian. Drop in any source and it files linked notes, answers questions from your vault and keeps it tidy.
  93. notebooklm-py by teng-lin. Lets your agent drive Google NotebookLM (now called Gemini Notebook): add sources, ask questions and create its outputs from code or the command line.
  94. obsidian-wiki by Ar9av. Builds a personal wiki in Obsidian from what you and your agent figure out, so solutions get remembered and connected instead of lost in chat logs.
  95. axton-obsidian-visual-skills by axtonliu. Turns text into Obsidian Canvas boards, hand-drawn Excalidraw sketches and Mermaid diagrams.
  96. tutor-skills by bevibing. Builds an Obsidian study vault from PDFs, documents or a codebase, then quizzes you on it.
  97. socrates-skill by bevibing. Guides you to the answer with questions instead of handing it over, the way a Socratic tutor would.
  98. cli by googleworkspace. One command-line tool for Gmail, Drive, Calendar, Sheets, Docs and the rest of Google Workspace, with 40+ agent skills included.
  99. claude-mem by thedotmack. Gives your agent a memory between sessions. Records what happened, summarizes it, and brings back the relevant context next time.
  100. pm-skills by phuryn. Covers a product manager's work from discovery and strategy to PRDs, launch planning and metrics, with step-by-step workflows.
  101. Product-Manager-Skills by deanpeters. 77 product management frameworks, each with the reasoning and common mistakes, so your agent writes PRDs and plans that hold up.
  102. lenny-skills by RefoundAI. Product and career advice distilled from hundreds of Lenny's Podcast and newsletter episodes, with every quote checked against its source.
  103. career-ops by career-ops-hq. Scans job boards, scores each job against your CV, tailors your resume and cover letter, and preps you for interviews. You still press Submit.
  104. ResumeSkills by Paramchoudhary. Helps with resume writing, getting past applicant tracking systems, interview prep and job search strategy.
  105. resume-tailoring-skill by varunr89. Researches a role and builds a resume for it from your past experience, surfacing relevant work you forgot to mention without inventing anything.
  106. startup-founder-skills by shawnpang. Covers 50 everyday founder tasks, like cold emails, pitch decks, call prep, contract review and job descriptions, each paired with the best open-source skill for it.
  107. skills by wondelai. Frameworks from bestselling business, marketing, UX and coding books, plus guided journeys that walk you through growing a business or improving an app.
  108. ai-legal-claude by zubair-trabzada. Reviews contracts and flags risks with a safety score, drafts NDAs, checks compliance and produces PDF reports.
  109. awesome-legal-skills by lawve-ai. Lists legal skills from lawyers and legal technologists, for tasks like drafting privacy policies and reviewing NDAs.
  110. Awesome-finance-skills by RKiding. Adds real-time news, stock data, sentiment analysis and market predictions to your agent.
  111. investorskills by questflowai. Captures how great investors think, pick opportunities and manage risk, in a format your AI agent can apply.
  112. skills by AlphaGBM. Brings real-time market data into your agent for researching stocks, options and commodities, and weighing the evidence for and against an idea.
  113. claude-trading-skills by agiprolabs. 68 skills for trading and crypto: market data analysis, on-chain research, backtesting, risk management and tax tracking.
  114. lieflat-charts by larashero3-dotcom. Turns your data into polished, interactive charts and dashboards on a web page.
  115. mcp-server-chart by antvis. Generates 25+ kinds of charts from your data using AntV, a popular open-source charting library.
  116. Skill_Seekers by yusufkaraaslan. Converts documentation sites, GitHub repos, PDFs, videos and more into ready-to-use AI skills.
  117. book-to-skill by virgiliojr94. Turns a technical book or a folder of documents into a skill your agent can reference while you work.
  118. one-skill-to-rule-them-all by rebelytics. Watches how you work, notes patterns and corrections, and suggests improvements to your other skills or new ones to create. You approve every change.
  119. prompt-master by nidhinjs. Writes precise prompts for any AI tool, from ChatGPT and Claude to Midjourney and Sora, so you get a good result on the first try.
  120. promptmaster-skill by Jakeschincariol. Rewrites your request into a clear, specific prompt before Claude answers, so you spend less time and usage re-explaining.
  121. arena-skill by Jakeschincariol. When an answer isn't good enough, sends 100 copies of Claude at the same task with different strategies and has them compete until one answer wins.
  122. build-a-skill by egalano. Walks you through building your own Claude skill step by step, based on Anthropic's official guide. Takes about 20 minutes.
  123. Skills-Manager by jiweiyeah. Keeps all your skills in one desktop app and syncs them to 30+ AI coding tools. Mac, Windows and Linux.
  124. distilly by titanwings. Captures a person's know-how, judgment and voice from their messages and documents as a profile your agent can draw on.
  125. skills by anthropics. Anthropic's official skills for Claude, including the ones that create Word, PowerPoint, Excel and PDF files. A good place to start.
  126. agentskills by agentskills. The open standard behind agent skills. Explains what a skill is, how SKILL.md files are structured, and how agents load them.
  127. awesome-claude-skills by ComposioHQ. Lists 1,000+ Claude skills and plugins, organized by use case.
  128. awesome-agent-skills by VoltAgent. Collects 1,000+ agent skills, focusing on ones that real engineering teams built and use.
  129. awesome-claude-skills by travisvn. Explains how Claude skills work and how to install them, with a curated list of skills and resources.
  130. awesome-claude-code by hesreallyhim. Hand-picks the best add-ons for Claude Code: skills, agents, status lines, plugins and developer tools.
  131. claude-skills by alirezarezvani. Offers nearly 400 skills and plugins covering engineering, marketing, product, compliance, executive advice, research and productivity.
  132. awesome-codex-skills by composio-community. Lists practical skills for OpenAI's Codex, with install instructions.
  133. buildwithclaude by davepoon. Indexes Claude skills, agents, commands, hooks and plugins in one searchable hub, including thousands from community marketplaces.
  134. agents by wshobson. Ships about 100 plugins with 200+ agents and skills that work across Claude Code, Codex, Cursor, Copilot and more.
  135. awesome-copilot by github. GitHub's community collection of skills, agents and instructions for GitHub Copilot, with a searchable website.
  136. find-skills by vercel-labs. When you ask how to do something, it searches the open skills directory and installs a skill that can do it. Built by Vercel, the team behind the npx skills installer.
  137. grill-me by mattpocock. Interviews you relentlessly about a plan or design until it's sharp and the gaps are out in the open.
  138. grill-with-docs by mattpocock. The same relentless interview as grill-me, but it also writes down your decisions and a glossary of the project's terms as you go.
  139. improve-codebase-architecture by mattpocock. Scans your codebase for tangled, hard-to-test areas, shows the best refactoring opportunities in a visual report, then talks through the one you pick.
  140. agent-browser by vercel-labs. Lets your agent use a real web browser: open pages, fill in forms, click buttons, take screenshots and pull data. It can also drive desktop apps like Slack.
  141. tdd by mattpocock. Has your agent build features and fix bugs test-first, writing tests that check what the code does rather than how it's built.
  142. frontend-design by anthropics. Anthropic's official design skill. Gives your agent a distinct visual point of view, with deliberate choices about color, type and layout instead of template defaults.
  143. setup-matt-pocock-skills by mattpocock. One-time setup for Matt Pocock's engineering skills. Connects your issue tracker, sets up triage labels and decides where project docs live.
  144. hyperframes-cli by heygen-com. Teaches your agent HeyGen's HyperFrames command-line tool for building, checking and rendering videos made from HTML, on your machine or in the cloud.
  145. vercel-react-best-practices by vercel-labs. Vercel's 70 rules for fast React and Next.js apps, ranked by impact. Your agent applies them when writing, reviewing or refactoring code.
  146. reddit-automation by flowkit-labs. Finds Reddit threads where people are asking for what you offer and drafts genuinely helpful replies that disclose who you are. You review and post them yourself.
  147. hyperframes by heygen-com. The starting point for HeyGen's HyperFrames. Makes videos, animations and motion graphics from a brief, a website, a Figma design or existing footage, built in HTML and rendered to video.
  148. teach by mattpocock. Turns your agent into a tutor for any topic over several sessions, keeping your goals, cheat sheets and a record of what you've learned in a folder.
  149. domain-modeling by mattpocock. Helps you pin down the words and decisions in a software project, keeping a glossary and a log of design decisions up to date as you work.
  150. lark-doc by larksuite. Lets your agent read, create and edit Lark (Feishu) docs and wikis, including images and attachments. Needs Lark's official command-line tool.
  151. handoff by mattpocock. Sums up your current conversation in a handoff document so a fresh agent session can pick up the work, with passwords and other sensitive details removed.
  152. triage by mattpocock. Sorts the issues and pull requests in your project's tracker: labels bugs and feature requests, checks the details, and writes briefs an agent can act on.
  153. prototype by mattpocock. Builds a quick throwaway prototype to answer a design question: either a clickable page that tests your logic, or several very different UI versions to compare.
  154. grilling by mattpocock. Stress-tests a plan, decision or idea with rounds of numbered questions, each with a suggested answer, until you both agree. It's the engine behind grill-me.