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Agent skills for Claude Code, Codex and Cursor

39 skill packs, each one read and checked by hand. See what a pack does, what it runs on your machine and how to install it. Stats updated 22 October 2026.

What is an agent skill?

An agent skill is a folder with a SKILL.md file that teaches an AI coding agent how to do one job, such as reviewing code or designing an interface. The agent reads only the skill's name and description until a task needs it, then loads the full instructions.

39 skill packs, one row per repo
Skill packGitHub starsSkillsRuns codeTopic
SuperpowersA skills pack and development method that makes a coding agent design, plan, test and review before it ships code.303k15YesCoding workflow
Matt Pocock's skillsSmall, composable engineering skills for planning, specs, tickets, test-driven development and code review.300k38YesCoding workflow
PonytailMakes a coding agent write only the code a task needs, reaching for built-in and existing options first.172k6YesCode quality and testing
UI UX Pro MaxA design skill that gives a coding agent a searchable database of UI styles, palettes, fonts and UX rules.139k7YesDesign and frontend
gstackA set of 55 slash-command skills that gives Claude Code a sprint process from planning to review, QA and shipping.137k61YesCoding workflow
CavemanA skill that makes a coding agent answer in short caveman-style prose, plus an optional proxy that cuts what it reads.114k22YesCoding workflow
Addy Osmani's agent skills25 engineering skills that take a coding agent from spec to ship, with a verification gate at each step.109k25YesCoding workflow
Taste SkillDesign skills that give a coding agent an art direction, real photos and a browser check of its own pages.101k1YesDesign and frontend
Understand AnythingTurns a codebase, knowledge base or docs into an interactive knowledge graph you can explore, search and query.87.5k9YesResearch and data
ArchifyTurns a description or a repo into a checked, interactive HTML diagram of your system or workflow.87.1k5YesDesign and frontend
ImpeccableA design skill with 24 commands and a detector for the common tells of AI-generated frontend design.84.5k1YesDesign and frontend
Diagram DesignMakes on-brand diagrams and charts as HTML, SVG or PNG, in 42 visual types, matched to your site.59.6k1YesDesign and frontend
HumanizerA single skill that rewrites AI-sounding text so it reads like a person wrote it, without changing what it says.59.3k1NoDocs and writing
i-have-adhdA single skill that makes a coding agent lead with the next action, number steps and drop preamble.58.2k1YesDocs and writing
Marketing Skills50 marketing skills for AI agents covering SEO, copywriting, conversion, paid ads, analytics, pricing and growth.55.8k52YesMarketing and SEO
Scientific Agent Skills177 research skills for databases, Python science packages, lab platforms and scientific writing.53.6k177YesResearch and data
Obsidian SkillsSix skills that let an agent write Obsidian Markdown, Bases and Canvas files and use the Obsidian CLI.49.9k6NoDocs and writing
Emil Kowalski's skills14 UI and animation skills from a designer engineer who has worked at Vercel and Linear.48.4k15NoDesign and frontend
Book to skillTurns a technical book or document into a structured agent skill you can query chapter by chapter.35.6k1YesResearch and data
Planning with FilesA planning skill that keeps task_plan.md, findings.md and progress.md on disk so an agent resumes after /clear.27.6k6YesCoding workflow
PM Skills Marketplace69 product management skills and 42 chained workflows across 9 plugins, from discovery to launch.27.3k69NoResearch and data
Baoyu's skills21 skills for content work: cover images, infographics, slide decks, translation, markdown tools and publishing helpers.26.8k22YesDocs and writing
Compound Engineering36 skills that loop through brainstorm, plan, work, review and write down what you learned.25.6k37YesCoding workflow
Claude SEOA Claude Code plugin with 26 SEO sub-skills and 19 agents that audit a site and write an action plan.19.6k33YesMarketing and SEO
BragA /brag command that turns your project into a short launch video with music, motion and share copy.17.4k2YesMarketing and SEO
Prompt MasterOne skill that writes tighter prompts for AI tools, from coding agents to image and video models.14.8k1NoDocs and writing
Garden SkillsSix skills for web design, article layout, web video, motion graphics, image prompts and local knowledge search.13.1k6YesDesign and frontend
No AI SlopRemoves 20+ patterns of AI-sounding writing while keeping your own voice.12.7k1NoDocs and writing
Jeff Allan's Claude skills67 full-stack development skills for Claude Code, from language and framework experts to DevOps and security.12k67NoCoding workflow
fireworks-tech-graphDescribe a system in plain words and get checked SVG, PNG, GIF and interactive HTML technical diagrams.11.8k1YesDesign and frontend
Draw.io skillOne skill that makes editable draw.io diagrams from a description, code, infrastructure files or SQL.10.3k1YesDesign and frontend
Trail of Bits skillsA security firm's plugin marketplace for code auditing, smart contract review and testing.7.7k95YesSecurity
n8n Skills14 skills plus hooks that teach an agent to build n8n workflows with the n8n-mcp server and deploy n8n.6.5k15YesDevOps and cloud
Anthony Fu's skillsSkills for Vue, Nuxt and Vite work, with Anthony Fu's own project conventions.6k11NoCoding workflow
Anti-slopOpinionated Oxlint rules that reject low-evidence TypeScript and JavaScript, installed by an agent skill.5.6k1YesCode quality and testing
HumanLayer skillsSix skills for CLAUDE.md, visual pull requests and agentic loops, from HumanLayer.5.4k7NoCoding workflow
Make Interfaces Feel BetterOne skill of design engineering rules for animation, typography, shadows, icons and hit areas.3.8k1NoDesign and frontend
Agent Rules from Books14 skills that turn classic programming books into rules an agent applies to refactoring and design.3.1k14NoCode quality and testing
Email Marketing BibleAn email marketing skill for agents: flows, copy, deliverability and platform work, with hard gates before any send.3491NoMarketing and SEO

Rising this week

Ranked by growth rate over 7 days, so new packs can lead.

All rising skills
Braglatent-spaces/brag17.4k+8.7%Scientific Agent SkillsK-Dense-AI/scientific-agent-skills53.6k+8.4%Diagram Designcathrynlavery/diagram-design59.6k+7.6%PonytailDietrichGebert/ponytail172k+5%Emil Kowalski's skillsemilkowalski/skills48.4k+4.7%

Questions about agent skills

Do Claude skills work in Codex and Cursor?

Usually, yes. Most packs follow the open Agent Skills format, which Claude Code, Codex, Cursor, Gemini CLI and other agents read. Install steps differ by agent, so each page lists the agents the maker names and the command for each.

How is a skill different from an MCP server?

An MCP server connects the agent to a tool or data source. A skill tells the agent how to do a task: which steps to take and in what order. Many setups use both.

Is it safe to install a skill?

Read it first. A skill can ship scripts, hooks and shell commands that run on your machine. Each page here lists what a pack runs, taken from the files in its repo.

Made a skill?

Paste your GitHub repo link. Listing is free and we review within 7 days.

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Agent skills for Claude Code, Codex and Cursor, checked by hand | ScratchDB