Agent skills you can check before you install
Public SKILL.md skills from GitHub repositories with 50+ stars and from the vendors themselves, scanned and scored. Install any of them with one command in Claude Code, Cursor, Codex, GitHub Copilot or Gemini CLI.
49,492 skills from 2,391 repositories · updated 8 hours ago
48,451 skills
- wcagSushegaad/Claude-Skills-Governance-Risk-and-ComplianceExpert WCAG (Web Content Accessibility Guidelines) advisor covering WCAG 2.0, 2.1, and 2.2 — the W3C international accessibility standards. Use this skill whenever a user asks about WCAG success criteria, conformance levels (A/AA/AAA), accessibility audits, POUR principles, accessibility statements, ARIA patterns, colour contrast, keyboard accessibility, screen reader compatibility, mobile accessibility, cognitive accessibility, WCAG 2.2 new criteria, WCAG 3.0 preview, legal requirements referencing WCAG (EN 301 549, EAA, ADA, Section 508), or mapping WCAG to accessibility laws. Trigger for any web or digital content accessibility question — even if the user doesn't say "skill" or "WCAG".LegalNo warnings★ 1K↓ —
- using-gchashgraph-online/awesome-codex-pluginsOperate Gas City through its own doors: Mayor, doctor and native run state. Use when: Gas City is selected or a gc run looks stuck.OtherNo warnings★ 1.5K↓ —Also in 2 other repos
- seohashgraph-online/awesome-codex-pluginsComprehensive SEO analysis for any website or business type. Full site audits, single-page analysis, technical SEO (crawlability, indexability, Core Web Vitals with INP), schema markup, content quality (E-E-A-T), image optimization, sitemap analysis, and GEO for AI Overviews/ChatGPT/Perplexity. Industry detection for SaaS, e-commerce, local, publishers, agencies. Triggers on: SEO, audit, schema, Core Web Vitals, sitemap, E-E-A-T, AI Overviews, GEO, technical SEO, content quality, page speed, structured data.MarketingNo warnings★ 1.5K↓ —
- learn-from-materialsdmoshehun-prog/learn-from-materialsTurn books, PDFs, slides, documents, web pages and text into a source-grounded knowledge base, interactive learning HTML and Markdown in English or Chinese. Use for learning, summaries, explanations, review, quizzes, relationship maps, saving reusable methodology files, retrieving or comparing accumulated methods, and applying them to a real problem. 将材料转为可追溯知识库与交互学习页，支持中英文、关系图、方法论保存/检索/比较及应用；区分材料依据、推断与外部核验。DocumentsNo warnings★ 1.3K↓ —
- programmatic-seofcakyon/claude-codex-settingsUse when planning many similar pages from a template and a data set: choosing the pattern, deciding whether the data can carry it, and avoiding the thin-content failure that gets page sets deindexed.MarketingNo warnings★ 1.2K↓ —
- the-understudymohitagw15856/pm-claude-skillsStudy 3-5 samples of the user's real writing and decisions, build an explicit 'how you think' profile, then draft new work as their understudy — always with a 'what I couldn't infer about you' list so the gaps are visible instead of guessed. Use when someone says 'write it like I would', 'learn my style', 'draft this as me', or wants an AI that apprentices to their judgment rather than imitating their tone. Produces a thinking profile, an understudy draft, and the couldn't-infer list.WritingNo warnings★ 1.5K↓ —
- os-check-workkharmanskyi/open-stepsALWAYS invoke this skill when the user asks about work done outside this session - "check work", "check the others", "check other sessions" - or to accept one: "the session is done, check it", "can we merge it" - in any language. You are the receiving party: treat the report as a claim, verify each part against machine state, name every gap between claimed and true. Verified-ready work merges in the same pass. End with what is left, one next step, and any reply another session needs, ready to paste.OtherNo warnings★ 1.3K↓ —
- os-step-by-stepkharmanskyi/open-stepsALWAYS invoke this skill when you need the user to act - run a command, paste a secret, click, approve - and whenever they ask how to do something or say they do not know what to do: "step by step", "walk me through it", "what do I do", "what should I do", "I don't understand what to do", "explain what I need to do", in any language. Picking which task comes next is os-whats-next; this skill is for doing the thing in front of you. First earn the ask: try it yourself, find another route, shrink it to the part only they can do. Then one action per step, commands labelled by what they touch, no jargon. Commands are single lines that prompt for any value - typing hidden for secrets - and confirm in plain words. Afterwards verify their step.ProductivityNo warnings★ 1.3K↓ —
- animatehashgraph-online/awesome-codex-pluginsGive a game's characters rigs and clips that move well on a phone — the skeleton standard (one humanoid vocabulary, a mini and a quadruped family), free CC0 animated characters from Homie's starter library made phone-sized (one draw call, helper bones gone) with their clips in one shared clip library per skeleton, the library's CC0 humanoid clips retargeted at build time onto any other rig (a generated character, the person's own), the shared runtime @homie-rocks/studio/animate (idle, walk and run blended by speed, actions on the upper body while running, additive hits, hit-stop, jump, fall and land with squash and stretch, lean, look-at, springs, foot planting, crowd mode), the animation card with looping previews, and tuning a move's feel in the Game Lab. Use when someone wants characters that walk, run, jump, attack or die, asks about rigs, skeletons, bones or retargeting, says the animation looks stiff, floaty or slides, or wants a jump or a hit to feel better.DocumentsNo warnings★ 1.5K↓ —
- varg-ad-localizeNewhashgraph-online/awesome-codex-pluginsTurns one video ad into versions for 8+ TikTok Shop and Meta markets on varg: transcreates the script per market (hook, slang, claims, units, local price and currency from an offer card, each line fitted to its time slot), voices it with ElevenLabs v4 in the same voice, lip-syncs only shots where a face talks for more than 1.5 s (Sync v3), rebuilds captions and on-screen text in the target language instead of inpainting them, re-cuts every shot on the new language's words, and ends with a native-review checklist. Use when a seller asks to translate an ad, dub a video ad, localize for TikTok Shop markets (UK, DE, FR, IT, ES, ID, TH, VN, MY, PH, JP, MX, BR, SA), make a Spanish or German version of a winner, or sell cross-border. Not for subtitles on a long video (use a captions skill) or dubbing films and podcasts (see video-skills).MarketingNo warnings★ 1.5K↓ —
- research-audience-score-segment-qagooseworks-ai/goose-skillsStep of the research-audience playbook: scores and tiers list rows, groups them into segments with an angle each, runs the pre-handover checks and writes the list files. Run research-audience instead; not for direct use.TestingNo warnings★ 1.3K↓ —
- cell-workflowbrycewang-stanford/Awesome-Journal-SkillsUse when deciding which cell-* sub-skill to invoke next, or when sequencing a manuscript from significance test through reviewer rebuttal for Cell (Cell Press). Routes — it does not replace — the specialized skills.ProductivityNo warnings★ 1.4K↓ —
- writing-relayflowsAgentWorkforce/relayInfrastructure for coding agentsWritingNo warnings★ 1.1K↓ —
- rss-camera-readybrycewang-stanford/Awesome-Journal-SkillsJournal-specific Claude Code/Codex skill packs covering mainstream journals — AER, QJE, Nature, Cell, 管理世界, 经济研究 & 200+ more — your fast track to getting published. ｜ 覆盖主流期刊的 Claude Code/Codex 期刊技能包，从选题、识别策略到表格规范与审稿回复全流程，助你快速发论文。PlanningNo warnings★ 1.4K↓ —
- kinetic-type-artNewhashgraph-online/awesome-codex-pluginsSeventeen art-directed kinetic typography templates with exact presets: typeface strobe (one word through nine faces), one-word-per-beat slams, word corridor tunnel, perspective photo wall, type specimen grid, justified manifesto, Didone city title, scanned-sheet glitch wordmark, hyphen bridge wordmark, CRT decrypt, particle burst, anime command screen, photocopy explainer, echo stack over a halftone portrait, glyph-tracking terminal camera, bitten word and liquid art reveal. Presets cover beat maths (frames per beat), letter-spacing, free font pairings for Didone, condensed, grotesk and mono looks, riso and paper palettes in hex, 3D camera values and seeded glitch timing, from Art of the Title, Practical Typography, Fonts In Use and motion designers on X. Use when someone wants a kinetic type intro, a manifesto or lyric-style type piece, a wordmark animation or a typographic poster in motion. NOT for subtitles (caption-styles) or broadcast lower thirds (title-design).DesignNo warnings★ 1.5K↓ —
- my-energy-mapmohitagw15856/pm-claude-skillsMap your real energy through the day and week, then match your tasks to it — hard things when you're sharp, easy things when you're not. Use when asked when should I do my hard work, map my energy, why am I so unproductive at certain times, or schedule around my focus. Produces a picture of your energy peaks, troughs, and patterns from your own observations, a task-to-energy matching plan (deep work at peaks, admin at troughs), the traps you're currently falling into, and a realistic daily shape — because fighting your natural rhythm wastes your best hours on your worst tasks.PlanningNo warnings★ 1.5K↓ —
- subagentshashgraph-online/awesome-codex-pluginsUse when a plan has parallel tasks and the harness supports dispatching subagents.PlanningNo warnings★ 1.5K↓ —
- apple-designhashgraph-online/awesome-codex-pluginsUse when the user asks for SwiftUI, UIKit, AppKit, iOS, iPadOS, macOS, watchOS, visionOS, Liquid Glass, HIG, SF Symbols, App Store deliverables, Apple settings/forms, branded Apple apps, React Native iOS, Flutter Cupertino, or Electron/Tauri macOS shells. Builds Apple-platform apps across system-like SwiftUI, branded SwiftUI, React Native, Flutter Cupertino, and desktop web shells while preserving UX decisions, native idiom, desktop archetype, originality seed, state coverage, Dynamic Type, accessibility, and HIG/Liquid Glass rules. ALWAYS ask which track first. SKIP when the target is only Android, Windows, or web-in-browser.DesignNo warnings★ 1.5K↓ —
- github-oauth-nango-integrationAgentWorkforce/relayUse when implementing GitHub OAuth + GitHub App authentication with Nango - provides two-connection pattern for user login and repo access with webhook handlingOtherNo warnings★ 1.1K↓ —
- analyze-performancemicrosoft/power-platform-skillsUse when investigating slow activities, waiting, handoff duration, bottlenecks or cumulative activity workload.FinanceNo warnings★ 1.1K↓ —
- mariadb-operator-commentmariadb-operator/mariadb-operatorPost a comment (or a formal PR review) to a GitHub issue or pull request in mariadb-operator/mariadb-operator. Use whenever the user wants to publish something to GitHub for this repo — "comment on issue #123", "post this as a PR comment", "leave a note on #456", "reply on the PR" — and especially when they want the output of the mariadb-operator-pr-review skill delivered to GitHub instead of just shown in chat, e.g. "review PR #1234 and post it as a comment" or "post the review results to the PR". Always confirms the exact comment text with the user before publishing — never posts autonomously.EngineeringNo warnings★ 1K↓ —
- seo-opshashgraph-online/awesome-codex-pluginsOps loop: weekly report, hand work to developers, track fix progress, and read charts from tool text (tables and sparklines).MarketingNo warnings★ 1.5K↓ —
- motion-formatsNewhashgraph-online/awesome-codex-pluginsSeven complete motion formats, each with a beat structure in seconds, a shot list and presets: a found-footage analog-horror trailer of a website, an authentic VHS bouncing-logo screensaver, a pixel-art runner on a CRT, a wordmark with a wave running through it, a one-shot music video that follows a DAW timeline, a launch trailer for an import feature, and a kinetic lyric video. Values come from VHS signal models (ntsc-rs, Finn McKenty), pixel-art conventions (Pedro Medeiros, Slynyrd), School of Motion, Netflix timing rules, screenlife rules and launch-film designers on X. Use when someone asks for one of these formats, a VHS or analog-horror look, a pixel art animation, a lyric video or a beat-synced launch video. NOT for generating the song or footage (varg-ai, varg-music-video).MediaNo warnings★ 1.5K↓ —
- rubric-buildermohitagw15856/pm-claude-skillsCreate a clear grading rubric with criteria and performance-level descriptors that make scoring fair, fast, and consistent. Use when asked to build a rubric, create grading criteria, design an assessment scoring guide, or make grading more objective. Produces an analytic rubric table (criteria × performance levels) with concrete, observable descriptors and a points scheme — plus a short version students can self-check against.DesignNo warnings★ 1.5K↓ —
closed-loop
huytieu/COG-second-brain
PlanningUpdated Oct 23, 2026
From the author
Run one task through the V-model verification loop: CP-2 plan → CP-3 build → CP-3v component verify → CP-4 integration verify (full lane) → CP-5 acceptance. The worker never grades its own homework; evidence rows trace back to AC-n. Opt-in: invoke with /closed-loop or by asking for the closed loop, proper verification, or an evidence trail. Ordinary work does not run this.
Install
npx skills add huytieu/COG-second-brain --skill closed-loop -a claude-code
Installs to .claude/skills/closed-loop/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
What it can touch
Instructions onlyUses the networkLicence: MIT
Safety checks on SKILL.md
No warnings.
Why 88
Security100
Provenance77
Maintenance100
Licence100
Adoption50
Files (3)
- SKILL.md
- references/report-template.html
- references/spec-template.md