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Best Claude Skills (2026)

By @pickwiseresearched with AIUpdated

The best Claude skills are the SKILL.md packages that Hacker News users and independent reviewers keep recommending. This list ranks collections and single skills you can install today, with what each adds and its catch.

  1. Superpowers

    Jesse Vincent's pack makes the agent brainstorm a spec with you, write a plan, then build it test-first with subagents and review its own work. It is the collection Hacker News commenters and newsletter reviewers name most often, and the brainstorming skill gets the most praise. Louis Corneloup at Dupple turns it off for quick edits, because the plan-then-test routine is too much for a five-minute script.

    Install
    /plugin install superpowers@claude-plugins-official
    GitHub stars
    297,835
    License
    MIT
    Maintainer
    Jesse Vincent (obra)
    Works with
    Claude Code, Codex, Cursor, Gemini CLI, Pi and others
    What it adds
    15 skills: brainstorming, plans, TDD, debugging, code review
  2. Matt Pocock's Skills (grill-me)

    People install this collection for one skill, grill-me, which has Claude interview you about a plan, one decision at a time, before it writes anything. Several Hacker News users say they now reach for it in place of plan mode or heavier spec-driven kits. Installing as a plugin and through skills.sh at once gives you every skill twice, so pick one route.

    Install
    claude plugin install mattpocock-skills@claude-plugins-official
    GitHub stars
    286,626
    License
    MIT
    Maintainer
    Matt Pocock
    Works with
    Claude Code, Codex, Copilot, Gemini CLI, Cursor and others
    What it adds
    38 small skills: grill-me, TDD, PRDs, issue triage
  3. frontend-design

    Anthropic's own design skill tells Claude to commit to a visual direction before it writes any interface code, so pages stop coming out as the same centered card on a purple gradient. Simon Willison, Frank Andrade and Christopher Johnson all recommend it. It is popular enough that Hacker News readers say they can now spot a site built with it.

    Install
    /plugin install frontend-design@claude-plugins-official
    GitHub stars
    180,568 (whole anthropics/skills repo)
    License
    Apache-2.0
    Maintainer
    Anthropic
    Works with
    Claude Code, Claude apps, API; any Agent Skills tool
    What it adds
    A design brief Claude follows before building UI
  4. Anthropic Skills (skill-creator and document skills)

    The official repository holds skill-creator, which drafts, tests and improves new skills from a plain description, and the pdf, docx, xlsx and pptx skills behind file creation in the Claude apps. Frank Andrade says skill-creator is the first skill he would install. The four document skills are source-available, not open source, and in a terminal you supply the Python libraries they need yourself.

    Install
    /plugin marketplace add anthropics/skills
    GitHub stars
    180,568
    License
    Apache-2.0 for most; document skills source-available
    Maintainer
    Anthropic
    Works with
    Claude Code, Claude apps, API
    What it adds
    19 skills: skill-creator, pdf, docx, xlsx, pptx, mcp-builder
  5. Impeccable

    Where frontend-design sets a direction once, Paul Bakaus's skill keeps working on a design after it exists, with commands such as polish, audit and critique and a scanner that flags common signs of AI-made pages without calling a model. Several Hacker News users say it helped their visual design. One of them notes it still lets through the small label Claude puts above every heading.

    Install
    npx impeccable install
    GitHub stars
    79,967
    License
    Apache-2.0
    Maintainer
    Paul Bakaus
    Works with
    Claude Code, Codex, Cursor, Gemini CLI, Copilot and others
    What it adds
    1 skill with 24 commands and 59 detector rules
  6. caveman

    It makes the agent answer in clipped, article-free sentences to cut output tokens, and people on Hacker News use it mainly to tame long-winded replies. Max Taylor benchmarked it on 24 prompts and found that typing "be brief." saved about as many tokens with the same accuracy. The repository has since grown a separate proxy for input tokens, and you can install the skill alone.

    Install
    npx skills add JuliusBrussee/caveman -g
    GitHub stars
    111,098
    License
    Apache-2.0
    Maintainer
    Julius Brussee
    Works with
    Claude Code, Codex, Gemini CLI, Cursor, Copilot and others
    What it adds
    Terse reply mode with intensity levels
  7. gstack

    Garry Tan's setup gives Claude a set of job roles as slash commands: a product review, an engineering review, a code reviewer and a QA pass that drives a real browser. On Hacker News, abustamam runs /qa on most work but calls the office-hours session overkill for small jobs. It installs by cloning into your skills folder and running a setup script, and support outside Claude Code is marked experimental.

    Install
    git clone into ~/.claude/skills/gstack, then ./setup
    GitHub stars
    136,051
    License
    MIT
    Maintainer
    Garry Tan
    Works with
    Claude Code (full); Codex, Cursor, OpenCode (experimental)
    What it adds
    Role-based slash commands: /office-hours, /review, /qa
  8. Karpathy Guidelines (andrej-karpathy-skills)

    Four rules drawn from Andrej Karpathy's post about how coding agents fail: think first, keep it simple, change only what was asked, and work toward a checkable goal. Louis Corneloup at Dupple credits the surgical-changes rule with stopping Claude from rewriting code next to the task. Karpathy did not write or endorse it, the repository has moved from forrestchang to multica-ai, and it is guidance the model can still ignore.

    Install
    /plugin marketplace add forrestchang/andrej-karpathy-skills
    GitHub stars
    218,987
    License
    MIT (stated in README)
    Maintainer
    Forrest Chang (multica-ai)
    Works with
    Claude Code; Cursor rule included
    What it adds
    One skill, or a CLAUDE.md, with four coding rules
  9. Humanizer

    A single skill that rewrites text to remove the habits that give away AI writing, working from the Wikipedia editors' guide to spotting it. Hacker News users add it to review instructions to catch filler in docs and comments. One of them, moltar, says it is not perfect but catches a lot. The Claude Code plugin needs version 2.1.142 or newer, and it uploads to the Claude apps as a ZIP.

    Install
    /plugin marketplace add blader/humanizer
    GitHub stars
    55,876
    License
    MIT
    Maintainer
    blader
    Works with
    Claude Code, Claude apps, Codex and other skills agents
    What it adds
    One skill that strips signs of AI writing
  10. Agent Skills by Addy Osmani

    A full engineering routine from spec to ship, written by Addy Osmani, with checkpoints the agent must pass and a table of excuses it is not allowed to use for skipping steps. Hacker News commenters put it beside Superpowers and Matt Pocock's skills as a way to run larger projects. It covers much of the same ground as Superpowers, so running both doubles up.

    Install
    npx skills add addyosmani/agent-skills
    GitHub stars
    105,157
    License
    MIT
    Maintainer
    Addy Osmani
    Works with
    Claude Code, Cursor, Codex, Copilot, Gemini CLI and others
    What it adds
    25 skills covering spec, build, test, review and ship
  11. Playwright Skill

    This lets Claude write and run its own Playwright scripts, so it can open the page it just built, click through it and read the errors, with far less context than the Playwright MCP server. On Hacker News, stared calls it a game changer. Simon Willison notes Claude already drives Playwright well with no skill at all, and another commenter warns that it runs whatever Node code the model generates.

    Install
    npx skills add lackeyjb/playwright-skill --skill playwright-skill --global --yes
    GitHub stars
    3,185
    License
    MIT
    Maintainer
    lackeyjb
    Works with
    Claude Code, Cursor, Copilot, Codex and others
    What it adds
    One skill: browser automation and testing
  12. Trail of Bits Skills

    Security review skills written by a security firm that audits code for a living, covering vulnerability hunting, audit workflows and checks such as constant-time analysis. On Hacker News, dlahoda runs them in an agent pipeline for bug finding, and SkillsIndex names Trail of Bits as the credible author for security. The licence is Creative Commons BY-SA, which requires attribution and share-alike, unlike the MIT packs here.

    Install
    /plugin marketplace add trailofbits/skills
    GitHub stars
    7,490
    License
    CC-BY-SA-4.0
    Maintainer
    Trail of Bits
    Works with
    Claude Code; Codex via marketplace support
    What it adds
    44 plugins for security audits and code review
  13. Marketing Skills by Corey Haines

    The one pack on this list not aimed at programmers: skills for copywriting, conversion reviews, SEO, analytics and content planning. Keanan Koppenhaver calls it the best single collection built for marketers and uses the copywriting and copy-editing skills as a pair. Version 2.0 renamed 17 skills, so an upgrade leaves old folders behind, and the project is funded by disclosed partner tools.

    Install
    npx skills add coreyhaines31/marketingskills
    GitHub stars
    54,260
    License
    MIT
    Maintainer
    Corey Haines
    Works with
    Claude Code, Codex, Cursor and other skills agents
    What it adds
    50 skills: copywriting, CRO, SEO, analytics, content
  14. UI UX Pro Max

    A searchable design database, with styles, colour palettes and font pairings sorted by industry, that Claude queries to pick a design system for the product you describe. Wilmer Hurtado used it for three weeks on client work and found the sections stayed consistent and the code was clean, but brand personality and final polish still needed a person. It needs Python 3 for its search script.

    Install
    /plugin marketplace add nextlevelbuilder/ui-ux-pro-max-skill
    GitHub stars
    134,905
    License
    MIT
    Maintainer
    nextlevelbuilder
    Works with
    Claude Code, Cursor, Windsurf, Codex CLI, Gemini CLI and others
    What it adds
    192 palettes, 74 font pairings, per-industry rules

How to choose

If you want Claude to plan and test before it codes, get Superpowers. If you want it to question you before it starts, get grill-me from Matt Pocock's skills. For better-looking pages, start with frontend-design and add Impeccable to review the result. To build your own skills, or to make real Word, Excel, PowerPoint and PDF files, use Anthropic's repository. For marketing work, use Corey Haines's pack.

Skills install in three ways. In Claude Code, run /plugin install from a marketplace, or copy a folder into ~/.claude/skills. For most coding agents, npx skills add owner/repo does the copying. In the Claude apps, upload a ZIP under Customize > Skills. Skills follow the open Agent Skills format, so most of these also run in Codex, Cursor and Gemini CLI.

Older guides are now wrong in places. Claude Code has merged custom commands into skills. Superpowers and Matt Pocock's skills are in Anthropic's official marketplace, so adding a separate marketplace is no longer needed. The Karpathy repository moved to a new owner. Star counts are huge and say little, and a link list such as awesome-claude-skills installs nothing.

A skill is instructions plus scripts that run with your agent's permissions. Snyk scanned 3,984 skills from ClawHub and skills.sh and found a critical security issue in 13.4% of them. Read a skill before you install it, and install a few, not all.

Items are ordered by how many independent people recommend each one, then by GitHub stars. Everything here is free.

Numbers checked October 11, 2026.

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