25,829 free skills
Skills that are genuinely useful but don’t fit a dev-tool-specific bucket — legal and compliance, creative writing, finance, gaming, healthcare, and other domains the open skills.sh registry covers.
Sourced from real, public repositories — synced daily, never invented.
15 tools across six categories
13 of them never send your data anywhere
Free · No signup · No trial clock
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scipy-best-practices
mindrally/skills
Best practices for SciPy scientific computing, optimization, signal processing, and statistical analysis in Python
sap-abap
secondsky/sap-skills
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niche-research
charlie947/social-media-skills
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display-ads
kostja94/marketing-skills
When the user wants to run display, banner, or ad network campaigns. Also use when the user mentions "display ads," "banner ads," "ad network," "ad alliance," "programmatic display," "native ads," or "retargeting display." For strategy, use paid-ads-strategy.
motion
secondsky/claude-skills
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threejs-game
playableintelligence/game-creator
Build 3D browser games with Three.js using event-driven modular architecture. Use when creating a new 3D game, adding 3D game features, setting up Three.js scenes, or working on any Three.js game project.
tech-stack-evaluator
alirezarezvani/claude-skills
Technology stack evaluation and comparison with TCO analysis, security assessment, and ecosystem health scoring. Use when comparing frameworks, evaluating technology stacks, calculating total cost of ownership, assessing migration paths, or analyzing ecosystem viability.
scroll-animations
dylantarre/animation-principles
Use when triggering animations on scroll - reveal effects, parallax, sticky headers, progress indicators, or any scroll-linked motion.
duckdb-docs
duckdb/duckdb-skills
>
feishu-cli-msg
riba2534/feishu-cli
>-
product-review-analysis
nexscope-ai/ecommerce-skills
Product review analysis and customer feedback intelligence. Pain point identification, praise pattern analysis, feature request extraction, sentiment analysis, and product improvement insights. Use when the user asks about review analysis, customer feedback, product reviews, or sentiment analysis.
feishu-cli-write
riba2534/feishu-cli
>-
amazon-profit-analyzer
nexscope-ai/amazon-skills
Comprehensive Amazon profit analysis and revenue optimization. Revenue waterfall analysis, hidden fee identification, ACoS impact assessment, return cost calculation, and profitability optimization strategies. Use when the user asks about Amazon profit analysis, profitability calculation, fee analysis, margin optimization, or revenue breakdown.
directory-submission
kostja94/marketing-skills
When the user wants to submit a product or app to directories, curated lists, launch platforms, or app stores—and needs ready-to-paste copy per platform. Reads project-context.md when present. Also use when the user mentions "directory submission," "get listed," "app store listing," "submit to directories," "curated list," "best tools list," "Taaft," "Product Hunt," "directory ads," "newsletter feature," "directory campaign," "tailor description per platform," "Shopify App Store," "Chrome Web Store," "navigation site," or "product directory." For Product Hunt launch day tactics (hunter, first comment, timing), use product-hunt-launch. For full 0→1 channel planning, use cold-start-strategy.
zustand-5
prowler-cloud/prowler
>
gemini-omni-flash-api
google-gemini/gemini-skills
Use this skill for generative video editing, text-to-video, image-referenced video generation, and first-frame-to-video transition animations using the official google-genai SDK. Includes workflows for pre-processing/optimizing high-resolution or long source videos with ffmpeg, stripping audio for full sound regeneration, and handling turn-by-turn video editing and parallel execution.
brand-packaging
arnabbagxd/brand-building-skills
Create a packaging design brief — structure, visual direction, hierarchy, materials, and unboxing experience. Use when the user says "packaging design", "packaging brief", "product packaging", "packaging direction", "label design", "packaging identity", "unboxing experience", "packaging look and feel", "brief my packaging designer", "packaging for my product", "packaging strategy", "retail packaging", "e-commerce packaging", "what should my packaging look like", or is briefing a designer, agency, or manufacturer on packaging requirements.
cron-schedule
ruvnet/ruflo
Schedule persistent background workers via CronCreate
langgraph-code-review
existential-birds/beagle
Reviews LangGraph code for bugs, anti-patterns, and improvements. Use when reviewing code that uses StateGraph, nodes, edges, checkpointing, or other LangGraph features. Catches common mistakes in state management, graph structure, and async patterns.
projects
railwayapp/railway-skills
This skill should be used when the user wants to list all projects, switch projects, rename a project, enable/disable PR deploys, make a project public/private, or modify project settings.
parcel-tracking
jezweb/claude-skills
Track parcels and check delivery status for Australian and international couriers. Searches Gmail for dispatch/shipping emails and provides tracking links for all major Australian couriers including AusPost, StarTrack, Aramex, CouriersPlease, Sendle, Toll, Team Global Express, DHL, FedEx, TNT, Hunter Express, Border Express, Direct Freight Express, and UPS. Triggers: 'where is my parcel', 'track my order', 'has my package arrived', 'tracking status', 'check tracking', 'where is my delivery'.
meta-ads
arnabbagxd/brand-building-skills
Plan, build, and optimize Meta advertising campaigns on Facebook and Instagram — campaign structure, audience targeting (core, custom, lookalike), creative formats, pixel setup, retargeting strategy, budget scaling, and ROAS optimization. Use when the user says "Meta ads", "Facebook ads", "Instagram ads", "Facebook advertising", "Meta advertising", "Meta campaigns", "Facebook campaign", "Instagram campaign", "Meta ad strategy", "ROAS", "Meta pixel", "Facebook pixel", "lookalike audiences", "Meta retargeting", "scaling Meta ads", "Facebook ad account", "Meta ads manager", "Facebook ads not working", or wants to run or improve paid social advertising on Facebook or Instagram.
game-3d-assets
playableintelligence/game-creator
3D asset engineer that finds, downloads, and integrates GLB/GLTF models into Three.js browser games. Use when a 3D game needs real models instead of primitive BoxGeometry/SphereGeometry shapes.
nlp-natural-language-processing
mindrally/skills
Expert guidance for natural language processing development using transformers, spaCy, NLTK, and modern NLP techniques.
amazon-inventory-management
nexscope-ai/amazon-skills
FBA inventory planning — restock timing, safety stock, IPI score optimization, stranded inventory recovery
brainstorm-prompt-optimizer
giuseppe-trisciuoglio/developer-kit
>
improve-game
playableintelligence/game-creator
Analyze a game, find what needs work, and implement the highest-impact improvements. Use when the user says "improve my game", "make my game better", "fix my game", "what's wrong with my game", or "polish my game". Run repeatedly — each pass finds the next most impactful thing to fix. Do NOT use for adding specific new features (use add-feature) or initial game creation (use viral-game for one-shot builds, make-game for milestone-driven projects).
twitter-cards
kostja94/marketing-skills
When the user wants to add or optimize Twitter Card metadata for X (Twitter) link previews. Also use when the user mentions "Twitter Card," "twitter:card," "twitter:image," "twitter:title," "X preview," or "tweet preview." For Facebook/LinkedIn previews, use open-graph.
animejs
bowtiedswan/animejs-skills
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ue-cpp-foundations
quodsoler/unreal-engine-skills
Use when writing Unreal Engine C++ code involving UPROPERTY, UFUNCTION, UCLASS, TArray, TMap, delegates, FString, garbage collection, or smart pointers. Also use when the user asks about "UE C++", USTRUCT, UENUM, FName, FText, TObjectPtr, TWeakObjectPtr, UObject lifetime, UE_LOG, or UE subsystems. For module build configuration, see ue-module-build-system. For Actor/Component architecture, see ue-actor-component-architecture.
feishu-cli-export
riba2534/feishu-cli
>-
feishu-drive
m1heng/clawdbot-feishu
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voice-agents
sickn33/agentic-awesome-skills
Voice agents represent the frontier of AI interaction - humans
migrate-oai-app
modelcontextprotocol/ext-apps
This skill should be used when the user asks to "migrate from OpenAI Apps SDK", "convert OpenAI App to MCP", "port from window.openai", "migrate from skybridge", "convert openai/outputTemplate", or needs guidance on converting OpenAI Apps SDK applications to MCP Apps SDK. Provides step-by-step migration guidance with API mapping tables.
product-management
vasilyu1983/ai-agents-public
Founder-PM toolkit for discovery, roadmaps, prioritization, and PMF measurement. Use when planning product strategy, metrics, or roadmaps.
drupal-expert
madsnorgaard/drupal-agent-resources
Drupal 10/11 development expertise. Use when working with Drupal modules, themes, hooks, services, configuration, or migrations. Triggers on mentions of Drupal, Drush, Twig, modules, themes, or Drupal API.
storybook
dalestudy/skills
Storybook 스토리 작성 및 CSF 3.0 베스트 프랙티스 스킬. 다음 상황에서 사용: (1) 새 스토리 파일(.stories.tsx, .stories.ts) 작성 시, (2) 기존 스토리 수정 시, (3) Args, Decorators, Parameters 설정 시, (4) Storybook 설정 파일(.storybook/) 작업 시, (5) 'story', 'stories', 'storybook', 'CSF' 키워드가 포함된 작업 시
cloudflare-tunnel
vm0-ai/vm0-skills
Cloudflare Tunnel API for secure tunnels. Use when user mentions "Cloudflare
pixi-js
mindrally/skills
Expert guidance for Pixi.js game development with TypeScript, focusing on high-performance web and mobile games
brand-messaging
arnabbagxd/brand-building-skills
Build a brand's messaging hierarchy — taglines, value propositions, key messages, and proof points for each audience. Use when the user says "brand messaging", "messaging framework", "value proposition", "tagline", "brand tagline", "key messages", "messaging hierarchy", "what should we say about our brand", "brand copy foundation", "messaging architecture", "elevator pitch", "one-liner", "brand statement", or needs consistent language across all communications. Also use when messaging feels inconsistent across channels or teams.
amazon-deal-finder
nexscope-ai/amazon-skills
Amazon deal planning and promotional strategy optimization. Lightning Deals, Best Deals, Coupons, Prime Exclusive Discounts analysis and ROI calculation. Deal eligibility assessment, timing optimization, and promotional campaign planning. Use when the user asks about Amazon deals, Lightning Deals, promotional planning, deal strategy, or Amazon promotions.
go-to-market-plan
ognjengt/founder-skills
Analyzes the founder's business context to deliver 3 best go-to-market strategies tailored to their current stage, product, and market. Asks up to 10 diagnostic questions when needed to understand product readiness, target market clarity, competitive positioning, and distribution channels. Use when user needs go-to-market strategy, launch planning, market entry strategy, or actionable GTM roadmap.
voice-builder
charlie947/social-media-skills
>
architecting-solutions
zhaono1/agent-playbook
Designs technical solutions and architecture. Use when user says "design solution", "architecture design", "technical design", or "方案设计" WITHOUT mentioning PRD. For PRD-specific work, use prd-planner skill instead.
youtube-research
postplusai/postplus-skills
Research YouTube channel summaries, audience comment samples, downloadable video records, and public videos using PostPlus Cloud collection service. Use this when the user wants YouTube account research or public video metrics.
ui-design
mindrally/skills
UI design best practices for building accessible, performant, and user-friendly interfaces with modern web standards
design-loop
jezweb/claude-skills
Autonomous multi-page site builder using a baton-passing loop. Each iteration reads a task from .design/next-prompt.md, generates a page in HTML/Tailwind, integrates it into the site, verifies visually, then writes the next task to keep the loop alive. Use whenever the user asks to build an entire site autonomously, build all pages of a site, generate multiple pages in sequence, or run a 'design loop' / 'baton loop' / 'autonomous site build' — even if they say 'just keep going' or 'build the next page' or 'next page' mid-flow.
tariff-calculator-amazon
nexscope-ai/amazon-skills
Universal tariff calculator for Amazon sellers. Calculate import duties, landed costs, and VAT/GST for any trade route. Supports CN→US, CN→EU, US→EU, EU→US, US→CN and custom origin/destination pairs. Includes Section 301 tariffs, trade agreement rates (USMCA, EVFTA), and HS code lookup. No API key required.
deep-research
ruvnet/ruflo
Orchestrate multi-phase deep research with web search, memory retrieval, pattern matching, and synthesis into structured findings
sentry-instrumentation-guide
getsentry/sentry-for-ai
Decide which Sentry signal to reach for when instrumenting code — error, span, span attribute, log, or metric. Use when adding instrumentation and unsure whether something should be a log vs a span vs a metric, when deciding "what to instrument where", when reviewing instrumentation for gaps, or when a coding agent needs a rule for choosing between errors, traces, logs, and metrics. This skill decides WHAT to emit; the sentry-*-sdk skills handle HOW to set each pillar up.
social-share-generator
kostja94/marketing-skills
When the user wants to add, optimize, or audit social share buttons (share article to X, LinkedIn, Facebook, etc.). Also use when the user mentions "share buttons," "social share," "share to X," "share to LinkedIn," "social sharing," "share icons," "share widget," "native share," "Web Share API," or "share intent URLs." For link previews, use open-graph.
recent-data
lobehub/lobehub
Guide for using Recent Data (topics, resources, pages). Use when working with recently accessed items, implementing recent lists, or accessing session store recent data. Triggers on recent data usage or implementation tasks.
brand-story
arnabbagxd/brand-building-skills
Craft a brand's origin story, founder narrative, and "why we exist" statement. Use when the user says "brand story", "origin story", "founder story", "why we exist", "about us", "our story", "company narrative", "brand narrative", "write our about page", "tell our story", "founding story", "brand history", or wants to articulate the deeper purpose and human story behind the brand. Also use when the About Us page feels generic or corporate and needs a rewrite.
competitor-branding
arnabbagxd/brand-building-skills
Analyze how competitors present their brand — identity, messaging, positioning, voice, and visual style — to find gaps and opportunities. Use when the user says "competitor brand analysis", "analyze competitor brands", "how do competitors position themselves", "competitor messaging", "competitor identity", "what are competitors saying", "benchmark competitors", "competitive brand landscape", "how do we compare to competitors", "competitive audit", or wants to understand the brand landscape before defining their own position.
event-sourcing
aj-geddes/useful-ai-prompts
>
employee-generated-content
kostja94/marketing-skills
When the user wants to plan, implement, or optimize employee-generated content (EGC) or employee advocacy. Also use when the user mentions "EGC," "employee advocacy," "employee content," "internal brand ambassadors," "employee social media," "employee advocacy program," "staff advocacy," "LinkedIn employee posts," or "brand ambassador program." For LinkedIn, use linkedin-posts.
python-uv
mindrally/skills
Guidelines for Python dependency management using uv, the fast Python package installer and resolver.
brand-audit
arnabbagxd/brand-building-skills
Assess the health and consistency of an existing brand — identity, messaging, voice, positioning, and market perception. Use when the user says "brand audit", "brand review", "assess our brand", "is our brand consistent", "brand health check", "brand analysis", "something's off with our brand", "our brand feels outdated", "brand diagnosis", "review our brand", "brand gap analysis", or wants to understand where their brand is strong and where it needs work before investing in brand development.
feishu-bitable
alextangson/feishu_skills
飞书多维表格操作。记录 CRUD、字段管理、视图、权限、公式、关联。
fusion
equinor/fusion-skills
Main Copilot skill gate for the Fusion ecosystem — cross-domain router. USE FOR: routing between different Fusion domains (skills, issues, PRs, reviews) when the right domain skill is unclear; getting install guidance for missing skills. DO NOT USE FOR: skill lifecycle operations (use fusion-skills directly), tasks where a specific Fusion skill is already active.
