Claude Skills
The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.
Every Agent Skill we could find on GitHub, deduplicated by content. 80 149 files from 1 774 authors, of which 62 489 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.
Skill that has a directory outside the allow-list.
A skill living directly under the assets root.
A valid skill for testing.
A simple skill that echoes provided arguments.
A simple skill that prints provided arguments using Python.
Reverse engineer native, managed, Electron/JavaScript, packaged, and browser applications with REA. Use shipped-artifact or approved runtime evidence to explain features, compare versions, decompile code, or guide a reconstruction. Skip REA for ordinary source-repository architecture analysis.
> A deterministic thinking partner that challenges assumptions and applies mental models to sharpen decisions, solve problems, and think more clearly. Use this skill whenever a user says "help me think through X", "challenge my thinking", "what am I missing", "apply mental models to this", "play devil's advocate", "stress test this idea", "poke holes in my plan", "help me decide between X and Y", "what are the second-order effects", "I'm stuck on a decision", names any specific model (SWOT, first principles, inversion, pre-mortem, etc.), or asks for structured reasoning on any ambiguous, high-stakes, or complex problem. Also trigger when the user seems uncertain, is rationalizing, or is asking "am I thinking about this right?" Even casual phrases like "what do you think about..." on non-trivial topics should trigger this skill.
Use whenever the user wants to obtain, download, or fetch a paper's PDF — given a DOI, an arXiv id, a paper title, a citation, or a list of DOIs. Trigger on phrases like "download this paper", "find the PDF for [DOI]", "grab me the [Nature/bioRxiv/arXiv] paper on X", "get the open-access version", "I need this article", or any bulk/batch paper download request, even when the user doesn't explicitly say "PDF" or "DOI". Resolves via Unpaywall → Semantic Scholar → arXiv → PubMed Central → bioRxiv/medRxiv → publisher direct (institutional opt-in) → Sci-Hub mirrors as last-resort fallback.
Compose Multiplatform / KMP patterns - expect/actual composables, platform-specific code, density and font handling cross-target, iOS/Android/Desktop interop.
Desktop-specific UX principles - hover states, pointer precision, keyboard shortcuts, multi-window, focus management. Covers macOS, Windows, Linux, web desktop.
Jetpack Compose animation foundations - animate*AsState, AnimatedVisibility, Crossfade, updateTransition, SharedTransitionLayout, gestures.
Algorithmic and generative art with Canvas 2D - particles, flow fields, noise, fractals, L-systems.
Advanced Compose visuals - Material 3 Expressive motion physics, AGSL shaders (Android 13+), Canvas/DrawScope generative, graphicsLayer effects.
Framer Motion / Motion sub-skill - AnimatePresence, layout animations, gestures, motion values.
Zero-dependency animations and visual techniques - scroll-driven, View Transitions, @starting-style, modern CSS.
Design audit checklist - motion gaps, accessibility, color consistency, responsive, performance.
SwiftUI animation foundations - withAnimation, transitions, matchedGeometryEffect, PhaseAnimator, KeyframeAnimator, springs, gestures.
GSAP animation engine sub-skill - core, timeline, ScrollTrigger, plugins.
UI/UX design-system intelligence - 84 styles, 192 palettes, 74 font pairings, 25 charts, 99 UX guidelines across 22 stacks (searchable dataset + CLI). Internal genjutsu module: loaded by /genjutsu:cast and /genjutsu:paint, not invoked directly.
Paint a complete visual universe with genjutsu - art direction brainstorm, design system, implementation, audit. Anti-AI-slop design pipeline. Adapts to Web, Android (Compose), Apple (SwiftUI).
Mobile-specific UX principles - touch targets, hover-less doctrine, thumb zones, safe areas, gestures, mobile perf budgets. Cross-platform (web mobile, iOS, Android).
Cast genjutsu on a UI - creative coding for motion, micro-interactions, and wow-factor. Scans the stack, proposes an interaction thesis, loads the right sub-skills, implements the illusion. Adapts to Web, Android (Compose), Apple (SwiftUI).
Three.js and React Three Fiber sub-skill - 3D scenes, shaders, postprocessing.
Advanced SwiftUI visuals - Metal shaders (.colorEffect, .layerEffect, .distortionEffect), .visualEffect, Liquid Glass (iOS 26), Canvas, holographic and CRT effects.
Motion design foundation - timing, easing, enter/exit patterns, accessibility, performance.
>- Produce thoughtful, high-fidelity design artifacts in HTML — landing pages, slide decks, interactive prototypes, animated videos, posters, wireframes, and visual explorations. Use whenever the user asks to design, mock up, prototype, visualize, storyboard, or explore UI options — including phrases like "make a deck", "design a landing page", "prototype this flow", "animate this concept", "build a pitch deck", "create a poster", "visualize this idea", or "design something for a brand". Enforces fact verification (WebSearch before assuming a product exists or its version), the Core Asset Protocol for branded work (logo, product shots, and UI screenshots are first-class, not just colors and fonts), a Design Direction Advisor fallback that offers 3 differentiated directions from 10 design philosophies when the brief is too vague, commits to a visual system up front, presents multiple variations, and avoids AI-design tropes (aggressive gradients, emoji bullets, generic templates).
Voice calls with Claude about your coding projects via Vapi. Use when you want to phone Claude, start a voice conversation, dial in for a project brainstorm, get a verbal status update, or talk through code hands-free.
Creates isolated Linux MicroVMs using Vercel Sandbox SDK. Use when building code execution environments, running untrusted code, spinning up dev servers, testing in isolation, or when the user mentions "sandbox", "microvm", "isolated execution", or "@vercel/sandbox".
Create personalized triathlon, marathon, and ultra-endurance training plans. Use when athletes ask for training plans, workout schedules, race preparation, or coaching advice. Can sync with Strava to analyze training history, or work from manually provided fitness data. Generates periodized plans with sport-specific workouts, zones, and race-day strategies.
Forge (锻造坊) — Engineering & architecture deliberation room. Convene Feynman, Ada, Torvalds, Popper, Occam, and Nietzsche for code architecture decisions, debugging, refactoring, and code review.
Oracle (神谕所) — Life crossroads deliberation room. Convene Sartre, Aurelius, Jung, Frankl, Nietzsche, and Kahneman for major life decisions, career transitions, and existential questions.
Agora — Intelligent router for the full deliberation ecosystem. Analyzes your question, routes to the right Room, or lists all available rooms. 6 rooms, 31 thinkers, one entry point.
Bazaar (集市) — Business & strategy deliberation room. Convene Schumpeter, Munger, Sun Tzu, Machiavelli, Taleb, and Kahneman for market decisions, pricing, investment, and competitive strategy.
Clinic (诊疗室) — Psychological resilience deliberation room. Convene Skinner, Frankl, Aurelius, Kahneman, Zhuangzi, and Jung for anxiety, procrastination, burnout, and loss recovery.
Atelier (工作坊) — Creative breakthrough deliberation room. Convene Socrates, Lao Tzu, Watts, Nietzsche, Occam, and Feynman for creative blocks, content strategy, and the creative process.
Hearth (火炉边) — Relationships & family deliberation room. Convene Fromm, Adler, Zhuangzi, Kant, Aurelius, and Watts for relationship dynamics, parenting, family conflict, and workplace politics.
Suede-owned experimentation discipline for hypotheses, sample sizing, test duration, significance, and repeatable experiment programs. Use when comparing variants, deciding whether a result is reliable, or building an experiment backlog and cadence. NOT FOR: analytics instrumentation (use suede-analytics), post-click conversion diagnosis (use suede-site-alchemy), or writing the variant copy itself (use suede-copy).
Write sharper Suede copy for docs, pages, email, social, headlines, CTAs, product listings, and public explainers.
Suede-owned paid-media creative system for hooks, headlines, primary text, static and motion concepts, platform specs, review pages, and test-ready variant batches. Use when producing or iterating ad creative from grounded product and audience inputs. NOT FOR: campaign budgets, bidding, or targeting (use suede-ads), statistical test design (use suede-ab-testing), or landing-page copy (use suede-copy).
Plan, build, test, and release a production-grade native Android app from a product idea through Google Play. Use for requests to create, ship, submit, monetize, or modernize an Android app. Covers Kotlin and Jetpack Compose architecture, API-level policy verification, accessibility, privacy and Data Safety, Play Billing, Play Integrity, account deletion, testing, performance, store assets, signing, staged rollout, and a release evidence gate. Not for iOS work or a review-only pass on an existing app.
Use when the user wants to audit Amazon returns or Amazon-billed subscriptions, mentions a restocking fee, short or denied refund, forgotten Prime Video Channel, Audible, Kindle Unlimited, or Prime charge, or asks whether Amazon still owes or bills them. Read order, refund, and subscription evidence first; report findings and require confirmation before chat, cancellation, or dispute. The documented cases recovered $448.31, but never promise recovery. Requires an authenticated Claude in Chrome session. NOT FOR: bank chargebacks, marketplace A-to-z seller claims, price-protection claims, or subscriptions billed outside Amazon — use subscription-recovery for those.
Use when the user wants to find, audit, cancel, or dispute recurring charges billed outside Amazon, including App Store, Google Play, PayPal, direct-bill streaming, gyms, news, and SaaS. Discover charges from evidence the user directly provides or authenticated service pages, report findings first, and require confirmation before cancellation or refund contact. Never enter payment credentials or promise recovery. Requires Claude in Chrome for browser actions. NOT FOR: Amazon returns, restocking fees, or Amazon-billed Prime Video Channels, Audible, Kindle Unlimited, or Prime — use amazon-returns-recovery for those.
Turn a website, PWA, dashboard, or marketplace into an iOS app with App Store strategy, screenshots, metadata, and release gates.
Design and write polished product surfaces people understand fast: landing pages, dashboards, campaigns, restyles, UI copy, and visual QA.
Suede-owned paid-acquisition operating system for channel choice, campaign structure, audiences, bidding, budget pacing, negative keywords, retargeting, and kill-or-scale decisions. Use when planning, auditing, or optimizing paid campaigns on Google, Meta, LinkedIn, X, or comparable platforms. NOT FOR: producing creative variants (use suede-ad-creative), implementing measurement (use suede-analytics), or optimizing the landing page (use suede-site-alchemy).
Suede-owned measurement discipline for tracking plans, event and conversion instrumentation, UTMs, attribution, and verification of what actually fires. Use when setting up, auditing, or repairing analytics across web, product, paid, and lifecycle surfaces. NOT FOR: experiment design or significance decisions (use suede-ab-testing), campaign optimization (use suede-ads), or revenue-process architecture (use suede-revops).
Split complex work into coordinated agent lanes with WIP checks, quality gates, rollback plans, and handoffs that prove what shipped.
Turn a song or release into a full artist campaign: hooks, rituals, visuals, merch, rollout calendar, email, site copy, and fan actions.
Design AI evals that catch regressions before users do: rubrics, test cases, failure modes, acceptance gates, and AI-SPEC artifacts.
Suede-owned app-store optimization discipline for keyword fields, titles, subtitles, descriptions, screenshots, ratings context, and competitor listing audits. Use when improving App Store or Google Play visibility or listing conversion from a live app URL and current console evidence. NOT FOR: building or releasing the app (use site-to-ios-app or android-app-factory), creating paid ad assets (use suede-ad-creative), or install-event instrumentation (use suede-analytics).
Suede-owned co-marketing discipline for partner fit, audience overlap, joint offers, shared distribution, operating roles, measurement, and fair credit. Use when identifying potential partners or planning a specific joint campaign or cross-promotion. NOT FOR: affiliate or customer-referral programs (use suede-referrals), product-launch orchestration (use suede-launch-packaging), or partner-facing sales collateral (use suede-sales-enablement).
Suede-owned retention discipline for voluntary and involuntary churn: cancel flows, pause paths, evidence-based save offers, failed-payment recovery, proactive signals, and win-back design. Use when diagnosing subscriber loss or designing a bounded retention intervention. NOT FOR: lifecycle-email production (use suede-emails), pricing architecture (use suede-pricing), paywall design (use suede-paywalls), or event instrumentation (use suede-analytics).
Give a blunt A-F ship grade for a code change across correctness, security, data, UX, verification, and deploy readiness. Use for a grade, not a findings review.
Claude-directed parallel OpenAI Codex CLI worker fleet for bulk generation. Use when a job is high-volume, well-specified, and splits into independent worker-sized tasks (content batches, test generation, bulk refactors) and Codex CLI is installed and logged in. Claude decomposes, briefs, spawns codex exec runs in parallel, and review-gates every output. Workers are always codex exec processes billed to the user's OpenAI subscription — never substitute Claude subagent fan-out on any model, and halt rather than fall back if Codex CLI is unavailable. NOT FOR: multi-lane Claude agents coordinating one complex change (use suede-agent-teams); low-volume, judgment-dense copy Claude should write itself (use suede-copy or johnny-suede-write).
Review and grade code in one pass: real findings, A-F ship verdict, auth/payment risk, OWASP checks, deploy safety, and fix briefs.
Find the bugs a diff can actually ship: TypeScript, React, Next.js, OWASP, accessibility, SEO, database, and deploy-risk review. Return findings, not a grade.
Suede-owned competitive-intelligence discipline for evidence-backed profiles of positioning, pricing, messaging, product, proof, and public-market signals. Use when researching named competitors from current public URLs or refreshing a structured landscape. NOT FOR: publishing comparison pages (use suede-competitors), internal sales battle cards (use suede-sales-enablement), or deciding pricing changes (use suede-pricing).
Suede-owned community-growth discipline for member purpose, platform choice, seeding, rituals, moderation, health metrics, and earned advocacy. Use when starting, auditing, or growing a Discord, Slack, forum, subreddit, or comparable product community. NOT FOR: public social-channel content (use suede-social), referral-program mechanics (use suede-referrals), or customer-interview research (use suede-customer-research).
Suede-owned B2B cold-email discipline for evidence-based personalization, subject lines, opening lines, concise bodies, one clear CTA, and bounded follow-up sequences. Use when writing or repairing outbound email to qualified prospects. NOT FOR: building or qualifying the prospect list (use suede-prospecting), lifecycle or nurture email (use suede-emails), or broader sales collateral (use suede-sales-enablement).
Suede-owned comparison-page discipline for honest alternative, versus, and competitor-comparison content that serves evaluators and search intent. Use when planning or writing a public page that positions products against named alternatives from verified evidence. NOT FOR: gathering the underlying competitor evidence (use suede-competitor-profiling), internal battle cards (use suede-sales-enablement), or scaled page generation (use suede-programmatic-seo).
Claude Skills — questions
Answers built from the skills we actually parsed.