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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. 79 600 files from 1 763 authors, of which 61 947 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.

61 947
unique skills
out of 79 600 files found on GitHub
17 653
are copies
same content, someone else's repository
1 739
tokens, median
what a typical skill costs you in context
7 890
name collisions
two skills with one name cannot sit side by side

20 041–20 100 of 61 947

page 335 of 1 033
Supabase
by aiskillstore

Use when doing ANY task involving Supabase. Triggers: Supabase products (Database, Auth, Edge Functions, Realtime, Storage, Vectors, Cron, Queues); client libraries and SSR integrations (supabase-js, @supabase/ssr) in Next.js, React, SvelteKit, Astro, Remix; auth issues (login, logout, sessions, JWT, cookies, getSession, getUser, getClaims, RLS); Supabase CLI or MCP server; schema changes, migrations, security audits, Postgres extensions (pg_graphql, pg_cron, pg_vector).

12k tokens
Agent Skill Trust Check
by aiskillstore

Static pre-install trust review for SKILL.md, OpenClaw, Hermes, MCP, and agent-skill marketplace packages before they request local, account, payment, or external access.

27k tokens scripts
AI Model Nodejs
by aiskillstore

Use this skill for Node.js backend AI via @cloudbase/node-sdk (>=3.16.0) — cloud functions, CloudRun, Express, Koa, NestJS, serverless APIs, scheduled jobs, LLM proxies. Only SDK supporting image generation (ai.createImageModel + generateImage). Text models via ai.createModel with groups cloudbase, hunyuan-exp, or custom-*. Model IDs (deepseek-v4-flash, deepseek-v3.2, hunyuan-2.0-instruct-20251111, glm-5, kimi-k2.6) go in the model field of generateText/streamText. MUST run two-step preflight before code — see body. Keywords: backend, 云函数, 云托管, serverless, LLM proxy, agent orchestration, generateText, streamText, generateImage, createModel, hunyuan-image, Token Credits, TokenHub, Hunyuan, DeepSeek, GLM, Kimi, MiniMax. NOT for browser/Web (use ai-model-web) or Mini Program (use ai-model-wechat).

32k tokens
AI Model Web
by aiskillstore

Use this skill when a browser/Web app (React, Vue, Angular, Next, Nuxt, static sites, SPAs, dashboards, AI chat UI) needs AI models via @cloudbase/js-sdk. Default routing for page/页面/Web/前端/frontend/网页/H5 AI — call directly from browser, do NOT propose a Node.js proxy. Covers generateText and streamText. Models via ai.createModel with groups cloudbase, hunyuan-exp, or custom-*. Model IDs (deepseek-v4-flash, deepseek-v3.2, hunyuan-2.0-instruct-20251111, glm-5, kimi-k2.6) go in the model field. MUST run two-step preflight before code — see body. Keywords: 页面, Web, 前端, React, Vue, Next, Nuxt, SPA, AI chat UI, generateText, streamText, createModel, hunyuan-exp, Token Credits, TokenHub, Hunyuan, DeepSeek, GLM, Kimi, MiniMax. NOT for Node.js backend (use ai-model-nodejs), Mini Program (use ai-model-wechat), or image generation (Node SDK only).

30k tokens
AI Model Wechat
by aiskillstore

Use this skill for WeChat Mini Program AI via wx.cloud.extend.AI (小程序, 企业微信小程序, wx.cloud apps). Features generateText and streamText with callbacks (onText, onEvent, onFinish). Models via wx.cloud.extend.AI.createModel with groups hunyuan-exp (小程序成长计划), cloudbase (main managed), or custom-*. Model IDs (deepseek-v4-flash, deepseek-v3.2, hunyuan-2.0-instruct-20251111, glm-5, kimi-k2.6) go in the data wrapper model field. API differs from JS/Node SDK — streamText needs data wrapper, generateText returns raw response. MUST run two-step preflight before code — see body. Keywords: Mini Program AI, wx.cloud.extend.AI, 小程序成长计划, ai_miniprogram_inspire_plan, Token Credits 资源包, generateText, streamText, createModel, hunyuan-exp, TokenHub, Hunyuan, DeepSeek, GLM, Kimi, MiniMax. NOT for browser/Web (use ai-model-web), Node.js backend (use ai-model-nodejs), or image generation (use ai-model-nodejs).

33k tokens
Auth Nodejs Cloudbase
by aiskillstore

CloudBase Node SDK auth guide for server-side identity, user lookup, and custom login tickets. This skill should be used when Node.js code must read caller identity, inspect end users, or bridge an existing user system into CloudBase; not when configuring providers or building client login UI.

26k tokens
Auth Tool Cloudbase
by aiskillstore

CloudBase auth provider configuration and login-readiness guide. This skill should be used when users need to inspect, enable, disable, or configure auth providers, publishable-key prerequisites, login methods, SMS/email sender setup, or other provider-side readiness before implementing a client or backend auth flow.

43k tokens
Auth Web Cloudbase
by aiskillstore

CloudBase Web Authentication Quick Guide for frontend integration after auth-tool has already been checked. Provides concise and practical Web authentication solutions with multiple login methods and complete user management.

31k tokens
Auth Wechat Miniprogram
by aiskillstore

CloudBase WeChat Mini Program native authentication guide. This skill should be used when users need mini program identity handling, OPENID/UNIONID access, or `wx.cloud` auth behavior in projects where login is native and automatic.

24k tokens
Cloud Functions
by aiskillstore

CloudBase function runtime guide for building, deploying, and debugging your own Event Functions or HTTP Functions. This skill should be used when users need application runtime code on CloudBase, not when they are merely calling CloudBase official platform APIs.

49k tokens
Cloud Storage Web
by aiskillstore

Complete guide for CloudBase cloud storage using Web SDK (@cloudbase/js-sdk) - upload, download, temporary URLs, file management, and best practices.

26k tokens
Cloudbase Agent
by aiskillstore

Build and deploy AI agents with CloudBase Agent SDK (TypeScript & Python). Implements the AG-UI protocol for streaming agent-UI communication. Use when deploying agent servers, using LangGraph/LangChain/CrewAI adapters, building custom adapters, understanding AG-UI protocol events, or building web/mini-program UI clients. Supports both TypeScript (@cloudbase/agent-server) and Python (cloudbase-agent-server via FastAPI).

98k tokens
Cloudbase CLI
by aiskillstore

CloudBase CLI (tcb, 云开发CLI, Tencent CloudBase命令行) resource management skill. This skill should be used when users need to deploy cloud functions, manage CloudRun apps, upload files to storage, query NoSQL/MySQL databases, deploy static hosting, set access permissions, or configure CORS/domains/routing via tcb commands. Also use for CI/CD pipeline scripting, batch operations, terminal-based CloudBase management, or when the user prefers CLI over SDK/MCP.

71k tokens
Cloudbase Code Review
by aiskillstore

Code review and validation for CloudBase projects. After writing code for Web / miniprogram / CloudRun / cloud-function projects, call this skill to check for known pitfalls — auth guard misuse, missing database tables, RLS misconfiguration, storage domain setup, and SDK API misuse. Supports automated lint scripts (regex-based) + LLM semantic review.

33k tokens
Cloudbase Document Database In Wechat Miniprogram
by aiskillstore

Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.

27k tokens
Cloudbase Document Database Web SDK
by aiskillstore

Use CloudBase document database Web SDK only for confirmed NoSQL collection work. Query, create, update, and delete document data; if the task mentions PostgreSQL / CloudBase PG / app.rdb(), route to postgresql-development instead.

60k tokens
Cloudbase Platform
by aiskillstore

CloudBase platform overview and routing guide. This skill should be used when users need high-level capability selection, platform concepts, console navigation, or cross-platform best practices before choosing a more specific implementation skill.

52k tokens
Cloudbase Wechat Integration
by aiskillstore

CloudBase WeChat integration guide for Mini Program WeChat Pay, Official Account JSAPI Pay, Native QR-code Pay, Official Account OAuth, openid handling, payment callbacks, and CloudBase Integration Center generated functions. This skill should be used when users ask to add, debug, or extend WeChat payment or official-account flows on CloudBase.

22k tokens
Cloudbase
by aiskillstore

Use this skill when you develop, design, build, deploy, debug, migrate, or troubleshoot CloudBase (腾讯云开发, 云开发, TCB, 微信云开发) projects. Covers Web apps (React, Vue, Vite, Next, Nuxt, dashboards, 管理后台), 微信小程序, 小程序, uni-app, native/mobile (iOS, Android, Flutter, React Native) via HTTP API. Includes UI (页面, 界面, 登录页, 表单, form, dashboard, prototype, 原型), auth (登录, 注册, OAuth, 微信登录, publishable key), databases (NoSQL 文档数据库, MySQL, PostgreSQL/CloudBase PG, app.rdb(), queryPgDatabase/managePgDatabase, CRUD, security rules), 云函数 (serverless, scf_bootstrap, HTTP Functions), CloudRun (云托管, Dockerfile), 云存储 (file upload, hosting, 静态托管). Built-in AI (内置大模型, streaming, 流式输出, image generation, 图片生成, generateText, streamText, createModel, generateImage, TokenHub, Hunyuan, hunyuan-exp, DeepSeek, GLM, Token Credits 资源包, 小程序成长计划), 第三方大模型, 大模型接入, 大模型调用, LLM API, chatbot, AI 助手, AI agent, 智能体, AG-UI, LangGraph, LangChain. Ops (巡检, 诊断, health check, 日志, troubleshooting). Spec workflow (需求文档, 技术方案, requirements, tasks.md).

35k tokens
Cloudrun Development
by aiskillstore

CloudBase Run backend development rules (Function mode/Container mode). Use this skill when deploying backend services that require long connections, multi-language support, custom environments, or AI agent development.

14k tokens
Data Model Creation
by aiskillstore

Optional advanced tool for complex data modeling. For simple MySQL table creation, use relational-database-tool directly; for PostgreSQL / CloudBase PG schema work, use postgresql-development.

16k tokens
HTTP API Cloudbase
by aiskillstore

CloudBase official HTTP API client guide. This skill should be used when backends, scripts, or non-SDK clients must call CloudBase platform APIs over raw HTTP instead of using a platform SDK or MCP management tool.

45k tokens
Miniprogram Development
by aiskillstore

WeChat Mini Program development skill for building, debugging, previewing, testing, publishing, and optimizing mini program projects. This skill should be used when users ask to create, develop, modify, debug, preview, test, deploy, publish, launch, review, or optimize WeChat Mini Programs, mini program pages, components, `tabBar`, routing, navigation, icon assets, project structure, project configuration, `project.config.json`, `appid` setup, device preview, real-device validation, WeChat Developer Tools workflows, `miniprogram-ci` preview/upload flows, or mini program release processes. It should also be used when users explicitly mention CloudBase, `wx.cloud`, Tencent CloudBase, 腾讯云开发, or 云开发 in a mini program project.

23k tokens
Ops Inspector
by aiskillstore

AIOps-style one-click inspection skill for CloudBase resources. Use this skill when users need to diagnose errors, check resource health, inspect logs, or run a comprehensive health check across cloud functions, CloudRun services, databases, and other CloudBase resources.

21k tokens
Postgresql Development Cloudbase
by aiskillstore

Use when building, debugging, or evaluating CloudBase PostgreSQL / CloudBase PG / PG mode apps, including Postgres schema setup, queryPgDatabase/managePgDatabase, JS SDK v3 app.rdb() CRUD/RPC, PG HTTP API fallback, RLS-style permissions, username-password auth, and Web CMS/admin CRUD flows backed by CloudBase PG.

54k tokens
Relational Database MCP Cloudbase
by aiskillstore

This is the required documentation for agents operating on the CloudBase Relational Database through MCP. It defines the canonical SQL management flow with `queryMysqlDatabase`, `manageMysqlDatabase`, `queryPermissions`, and `managePermissions`, including MySQL provisioning, destroy flow, async status checks, safe query execution, schema initialization, and permission updates.

19k tokens
Relational Database Web Cloudbase
by aiskillstore

Use when building frontend Web apps that talk to CloudBase Relational Database via @cloudbase/js-sdk – provides the canonical init pattern so you can then use Supabase-style queries from the browser.

12k tokens
Spec Workflow
by aiskillstore

Use when medium-to-large changes need explicit requirements, technical design, and task planning before implementation, especially for multi-module work, unclear acceptance criteria, or architecture-heavy requests.

9k tokens
UI Design
by aiskillstore

Use when users need visual direction, interface hierarchy, layout decisions, design specifications, or prototypes before implementing a Web or mini program UI.

12k tokens
Web Development
by aiskillstore

Use when users need to implement, integrate, debug, build, deploy, or validate a Web frontend after the product direction is already clear, especially for React, Vue, Vite, browser flows, or CloudBase Web integration.

29k tokens
Routeros App YAML
by aiskillstore

RouterOS /app YAML format for container applications (7.21+ builtin app, 7.22+ custom YAML creation). Use when: writing or validating RouterOS /app YAML files, working with MikroTik container apps, building docker-compose-like definitions for RouterOS, creating /app store schemas, debugging /app validation errors, or when the user mentions /app, tikapp, or RouterOS container YAML.

28k tokens
Routeros Container
by aiskillstore

RouterOS /container subsystem for running OCI containers on MikroTik devices. Use when: enabling containers on RouterOS, setting up VETH/bridge networking for containers, managing container lifecycle via CLI or REST API, building OCI images for RouterOS, configuring container environment variables, troubleshooting container issues, or when the user mentions RouterOS container, /container, VETH, device-mode container, or MikroTik Docker.

31k tokens
Routeros Firewall
by aiskillstore

RouterOS firewall filter, NAT, mangle, and address-list configuration. Use when: writing firewall rules in RouterOS, configuring NAT, setting up address-lists or interface-lists, writing idempotent firewall scripts, configuring DNS redirect or port forwarding, or when the user mentions /ip/firewall, chain=forward, chain=input, connection-state, address-list, interface-list, or layer7-protocol on MikroTik.

18k tokens
Routeros Fundamentals
by aiskillstore

RouterOS v7 domain knowledge for AI agents. Use when: working with MikroTik RouterOS, writing RouterOS CLI/script commands, calling RouterOS REST API, debugging why a Linux command fails on RouterOS, or when the user mentions MikroTik, RouterOS, CHR, or /ip /system /interface paths. Scope: RouterOS 7.x (long-term and newer) only — v6 is NOT covered and accuracy for v6 problems will be low.

96k tokens
Routeros Hotspot
by aiskillstore

RouterOS hotspot captive portal for wired/wireless access control. Use when: configuring hotspot on RouterOS, setting up captive portal, writing hotspot profiles or instances, configuring walled garden, setting DHCP option 114 (RFC 8910 captive portal URI), integrating RADIUS with hotspot, or when the user mentions /ip/hotspot, walled-garden, hotspot profile, or captive portal on MikroTik.

46k tokens
Routeros Mndp
by aiskillstore

MNDP (MikroTik Neighbor Discovery Protocol) wire format, behavior, and RouterOS /ip/neighbor integration. Use when: implementing MNDP discovery, parsing MNDP packets, working with /ip/neighbor, understanding WinBox device discovery, debugging why a router doesn't appear in neighbor lists, or when the user mentions MNDP, neighbor discovery, WinBox discovery, or /ip/neighbor.

16k tokens
Routeros Qemu Chr
by aiskillstore

MikroTik RouterOS CHR (Cloud Hosted Router) with QEMU. Use when: running RouterOS in QEMU, booting CHR images, debugging CHR boot failures, setting up VirtIO devices for RouterOS, choosing between SeaBIOS and UEFI boot, configuring QEMU port forwarding for RouterOS REST API, or selecting QEMU acceleration (KVM/HVF/TCG).

50k tokens
Routeros Sniffer
by aiskillstore

RouterOS packet capture and TZSP streaming for protocol debugging. Use when: capturing packets on RouterOS, setting up /tool/sniffer, streaming live traffic via TZSP, using firewall mangle action=sniff-tzsp, debugging network protocols on MikroTik, receiving TZSP with Wireshark or tshark, saving pcap files from RouterOS, or when the user mentions packet sniffer, TZSP, sniff-tzsp, /tool/sniffer, or packet capture on RouterOS.

24k tokens
Douyin Search Keyword
by aiskillstore

抖音公开内容智能搜索,精准检索视频/图文/用户数据,支持多维度排序与时间筛选,输出结构化JSON/Markdown,助力短视频营销、竞品分析与热点追踪。

36k tokens scripts zh
Xiaohongshu Search
by aiskillstore

小红书运营全链路数据工具|关键词监控+爆款挖掘+竞品分析+KOL筛选+趋势洞察,用数据驱动小红书流量增长,告别盲目创作

32k tokens scripts zh
Find The Original Image
by aiskillstore

>- Reverse image search across Yandex, Google Lens, Bing Visual Search, TinEye and Baidu to find where a picture came from and who published it first. Use when reverse image searching, identifying a photo, face, logo, product, uniform or building, tracing a profile picture or avatar, finding the oldest copy of an image, checking whether a photo is stock or a repost, or reverse-searching a video by keyframes. Applies to romance and investment scam investigation, fake-profile and synthetic-identity detection, disinformation and media verification, counterfeit and brand-infringement work, and insurance claim review. Reference at useosint.com/skills/find-the-original-image.

14k tokens
Investigate Without Getting Made
by aiskillstore

>- Investigator OPSEC — threat-model who might notice you, control your attribution surface across IP, ASN, browser and TLS fingerprint, timing and logged-in accounts, separate research identity from real identity, build and age a sockpuppet research persona, and choose between VPN, residential proxy and Tor. Use when setting up a research account, avoiding tipping off a subject, worrying about LinkedIn profile-view leakage, needing a burner phone or email, or hardening a research VM or browser profile. Applies to covert due diligence, insider-threat investigation, source protection in journalism, and law-enforcement online work. Reference at useosint.com/skills/investigate-without-getting-made.

14k tokens
Is This Photo Real
by aiskillstore

>- Verify whether an image or video is authentic, original and correctly captioned — provenance checks, error level analysis, noise and JPEG compression analysis, clone and copy-move detection, lighting and shadow consistency, C2PA Content Credentials, deepfake and AI-generation tells, and the honest limits of AI-detector tools. Use when fact-checking a photo or video, checking for a deepfake or AI-generated image, spotting manipulation, or testing whether footage is recycled or miscaptioned. Applies to KYC and onboarding fraud, insurance claim review, disinformation analysis, and evidence admissibility. Reference at useosint.com/skills/is-this-photo-real.

18k tokens
What Leaked About You
by aiskillstore

>- Check and interpret data-breach exposure for an email, username, phone or name using Have I Been Pwned, the Pwned Passwords k-anonymity range API, DeHashed, IntelX and Snusbase. Use when checking breach or leak exposure, finding which services an account was registered with, interpreting a combolist or credential dump, assessing credential compromise, or auditing your own leaked personal data. Applies to incident response and account-takeover triage, executive and VIP protection, pre-employment and vendor risk screening, and personal privacy audits. Reference at useosint.com/skills/what-leaked-about-you.

14k tokens
Find Skills
by aiskillstore

Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.

11k tokens
Vercel CLI With Tokens
by aiskillstore

Deploy and manage projects on Vercel using token-based authentication. Use when working with Vercel CLI using access tokens rather than interactive login — e.g. "deploy to vercel", "set up vercel", "add environment variables to vercel".

33k tokens
Next Cache Components Adoption
by aiskillstore

> Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces. Use when the user wants to enable, adopt, or migrate to Cache Components, flip the `cacheComponents` flag, work through a flood of blocking-prerender / instant validation errors, run the `cache-components-instant-false` codemod, or decide between opting routes out with `export const instant = false` and fixing them in place.

35k tokens
Background Removal
by aiskillstore

AI Background Removal - Remove background from images, create transparent PNG. Supports JPG, PNG, WebP local files and remote URLs. One credit per image.

15k tokens
Verging AI Chat
by aiskillstore

Generate AI chat completions using GPT-4o through the verging.ai proxy API with streaming (SSE) and non-streaming response support.

10k tokens
Faceswap
by aiskillstore

AI Face Swap - Swap face in video using verging.ai API. Supports local video files, YouTube/Bilibili URLs, local and remote face images. Auto-download, trimming, real-time progress.

21k tokens
Imagegen
by aiskillstore

Generate AI images using DALL-E 3 or gpt-image-1 through the verging.ai proxy API. Supports standard and HD quality, multiple images per request, and returns CDN-hosted image URLs.

9k tokens
Stt
by aiskillstore

Transcribe audio to text using OpenAI Whisper through the verging.ai proxy API.

9k tokens
Verging AI Tts
by aiskillstore

Convert text to speech audio using OpenAI TTS-1-HD through the verging.ai proxy API. Supports multiple voices, playback speed control, and various audio output formats.

8k tokens
Video Enhancement
by aiskillstore

AI Video Enhancement - Upscale video resolution, denoise, sharpen. Supports local files and YouTube/Bilibili URLs. HD/4K upscaling with real-time progress.

20k tokens
Vision
by aiskillstore

Analyze images using GPT-4o Vision through the verging.ai proxy API, supporting both image URL (JSON) and file upload (multipart) modes.

11k tokens
Find Outlook Emails
by aiskillstore

> Search your Microsoft Outlook inbox and cross-reference emails with your contact history — find any email instantly and see full relationship context alongside it via Rarefriend. sender, find emails from a specific person, look up what was discussed over email, cross- reference email threads with CRM notes, or connect their Microsoft Outlook email account. Outlook inbox, check my email, find email, email history, what did they say, email thread, did I hear back, follow up email.

17k tokens
Manage Linkedin Network
by aiskillstore

> Turn your LinkedIn network into a searchable, annotated CRM — find who you know at any company, prep for meetings, and never lose context on a connection again. Powered by at a company, add notes after LinkedIn conversations or networking events, tag connections, track warm intros, recall context before reaching out, prepare for a meeting with a connections, my network, LinkedIn contacts, who do I know at, networking, professional network, warm intro, notes about someone, tag contacts, relationship context, find contact, network management, LinkedIn sync, intro, reach out, who to contact.

23k tokens
Network And Relationship Manager
by aiskillstore

> Never forget a person again — search your entire professional network, recall exactly what you discussed, and always know who you know at any company. Powered by Rarefriend add meeting notes or call summaries, tag and organise contacts, schedule or check calendar events, import LinkedIn connections, bulk import contacts, connect Google Contacts or Microsoft Outlook, track relationship context, log an interaction, or do anything related notes, my network, schedule, calendar, LinkedIn, Google Contacts, Outlook, bulk import, who do I know, who do I know at, relationship, networking, person, people, meeting notes, who should I reach out to, warm intro, remind me about, what do I know about.

23k tokens
Organize Google Contacts
by aiskillstore

> Your Google Contacts — supercharged with notes, tags, and relationship memory via Rarefriend. Find anyone instantly, remember every conversation, and never lose context email or phone, create or update a contact, add meeting notes or call summaries, tag contacts, bulk import a list of people, connect Google Contacts, or check what they find someone, person, people, notes about, meeting notes, tag, import contacts, network, what do I know about, who is, remember this about, add a note.

21k tokens
Rarefriend Skills
by aiskillstore

> Cross-agent skills for Rarefriend personal CRM — search contacts, LinkedIn network, Google Calendar, Google Contacts, Microsoft Outlook email and calendar. Requires Rarefriend MCP. Use with Claude Code, Cursor, Codex, OpenClaw, Gemini CLI, or any Agent Skills-compatible client. Install per skill via npx skills add Whitefield-Labs/rarefriend-skills --skill <name>.

140k tokens

Claude Skills — questions

Answers built from the skills we actually parsed.

What is a Claude Skill?
A folder with a SKILL.md file: instructions that teach an agent to do one thing well, optionally with scripts and reference files alongside. The format is open and called Agent Skills — Claude Code, Codex and other agents read the same files. It is not a program you run; it is knowledge the agent loads when the task calls for it.
How is a skill different from an MCP server?
A server gives the agent new abilities — it connects to something and exposes tools. A skill gives the agent knowledge: how to use what it already has. They combine, and often literally: 11 352 of the skills here declare which MCP servers they need to work.
Why are there fewer skills here than in other catalogues?
Because we deduplicate by content. Of 79 600 files found on GitHub, 61 947 are unique — the rest is the same skill copied into someone else's repository, word for word. Catalogues that count files rather than skills show every copy as a separate entry.
What does the token count mean?
A skill is loaded into the model's context when it is used, so its size is a running cost on every request that touches it. We measure the whole folder, not just SKILL.md: one official skill is 377 tokens, another drags 83 files of fonts behind it.
How do I install a skill?
Copy the skill folder into ~/.claude/skills for personal use, or into .claude/skills inside a project. The agent picks it up by the name in the SKILL.md header — which is worth checking: 7 890 skills here share a name with another skill, and two of them cannot sit side by side.