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There are thousands of agent skills on GitHub, and most agents never use the right one. Alyn fixes that. Connect it once to Claude Code, Cursor, Codex or any MCP client. For every task, your agent asks Alyn which skill fits, loads it and follows it. No browsing, no copying folders around.
Alyn knows 6,134 open source skills by 445 creators and ranks them by GitHub stars, real installs and the quality of each SKILL.md. The data refreshes every night, and this README every Monday.
A small model with the right skill beats a big model without one. On SkillsBench, Claude Haiku 4.5 with skills solved 27.7% of tasks. Claude Opus 4.5 without skills solved 22.0%. Given skills, Opus itself jumped to 45.3%. Curated skills added 16.2 points on average.
So the skill matters as much as the model. Alyn makes sure your agent has the best one for the job, and lets you run cheaper models for more of your work.
Related MCP server: AAS Core MCP Server
One remote MCP server, no account, no API key.
claude mcp add --transport http alyn-mcp https://alyn.dev/mcpAgent | How |
Claude Code | The command above |
Claude (web, desktop, mobile) | Settings › Connectors › Add custom connector › |
Cursor | Add |
Codex |
|
VS Code, Windsurf, any MCP client |
Then just work as usual:
Make this pricing page look less AI-generated.
The agent calls find_skills, picks the best match and loads it for the current session. To keep a skill for good, it calls install_skill. All tools →
Install skills, bundles or whole packs into any agent in one line.
npx alyn-cli find "write a PRD" # the best skills for a task
npx alyn-cli add unslop # one skill
npx alyn-cli add bundle:design # a complete setup
npx alyn-cli add obra/superpowers # every skill in a packDetects Claude Code, Cursor, Codex and 70+ other agents. CLI docs →
Two skills that make any agent better at using skills.
Skill | What it does |
Before improvising, the agent asks Alyn for the best existing skill for the task. | |
Sets up a complete skill stack for your kind of work with one of the bundles below. |
npx skills add tammo1007/alynComplete setups for one kind of work, curated by Alyn.
Bundle | For | Skills | Install |
Taste, polish and zero AI slop for every UI your agent builds. | 6 |
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Brainstorm, plan, test first, debug systematically, review, ship. | 8 |
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From idea to PRD to launch, with an opinionated CEO review in between. | 8 |
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Text that does not read like a chatbot wrote it. | 5 |
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Rank on Google and get cited by ChatGPT and Perplexity. | 7 |
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CRO, copy, launches, emails and ads, from the most installed marketing pack. | 8 |
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Real PDF, Word, Excel and PowerPoint files from your agent. | 5 |
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Launch videos, explainers and captions, as editable Remotion code. | 5 |
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Shorter answers, fewer tokens, less over-engineering. | 5 |
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Week of November 9, 2026. Ranked by new GitHub stars, installs through Alyn and the Alyn Score, one skill per pack. Live ranking →
# | Skill | By | Stars | Install |
1 | Agent Harness ConstructionDesign and optimize AI agent action spaces, tool definitions, and observation formatting… | affaan-mECC | ★ 301k1k/day |
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2 | Reverse Skill RouterRoutes reverse engineering, exploitation, penetration testing, malware, mobile, firmware,… | zhaoxuya520Reverse Skill | ★ 44.5k244/day |
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3 | Code ReviewReview the changes since a fixed point (commit, branch, tag, or merge-base) along two… | Matt PocockMatt Pocock | ★ 321k1.1k/day |
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4 | Analyzing iOS App Security With ObjectionRuntime iOS app security testing with Objection (Frida): inspect keychain and filesystem… | mukul975Anthropic Cybersecurity | ★ 35.9k138/day |
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5 | Acreadiness Generate InstructionsGenerate tailored AI agent instruction files via AgentRC instructions command. Produces… | GitHubAwesome Copilot | ★ 41k79/day |
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6 | Accounting Software SelectionScores shortlisted accounting packages against 57 evidence-backed fields, emitted as CSV,… | sickn33Agentic Awesome | ★ 49.5k165/day |
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7 | AnalyticsWhen the user wants to set up or audit analytics, or asks whether a metric or number is… | Corey HainesMarketingskills | ★ 59.7k199/day |
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8 | Baoyu ComicKnowledge comic creator supporting multiple art styles and tones. Creates original… | JimLiuBaoyu | ★ 27.5k91/day |
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9 | AeonThis skill should be used for time series machine learning tasks including… | K-DenseScientific | ★ 56.8k146/day |
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10 | Create VideoCreate videos from a text prompt using HeyGen's Video Agent. Use when: (1) Creating a… | OpenMontageOpenMontage | ★ 79.6k350/day |
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The three highest-scoring skills in every category. Click to open.
Skill | What it does | By | Stars | Install |
Use to design, redesign, critique, audit, polish or animate a frontend: websites, landing pages,… | Paul Bakaus | ★ 108k |
| |
Stop coding agents from shipping generic UI. Use UIZZE's 800,000+ real web and iOS screens to build… | GitHub | ★ 41k |
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Audit and rewrite prose so it stops reading as machine-generated. Use this skill when asked to… | wshobson | ★ 42.4k |
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All anti-slop skills on Alyn →
Skill | What it does | By | Stars | Install |
Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check… | Matt Pocock | ★ 321k |
| |
Run a structured, resumable multi-session brand identity interview across 8 modules (purpose,… | affaan-m | ★ 301k |
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Design, implement, and audit accessible UI to WCAG 2.2 Level AA across Web, iOS, and Android,… | affaan-m | ★ 301k |
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Skill | What it does | By | Stars | Install |
Generates Angular code and provides architectural guidance. Trigger when creating projects,… | affaan-m | ★ 301k |
| |
Backend architecture patterns, API design, database optimization, and server-side best practices… | affaan-m | ★ 301k |
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Token architecture, component specifications, and slide generation. Three-layer tokens… | nextlevelbuilder | ★ 148k |
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Skill | What it does | By | Stars | Install |
Brand-first landing page designer, runs a brand-identity interview (colors, typography, shape… | wshobson | ★ 42.4k |
| |
React composition patterns that scale. Use when refactoring components with boolean prop… | Vercel | ★ 33.9k |
| |
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be… | Vercel | ★ 33.9k |
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All web development skills on Alyn →
Skill | What it does | By | Stars | Install |
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact… | Anthropic | ★ 193k |
| |
Guides stable API and interface design. Use when designing APIs, module boundaries, or any public… | Addy Osmani | ★ 116k |
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Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs… | wshobson | ★ 42.4k |
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Skill | What it does | By | Stars | Install |
Shared vocabulary for designing deep modules. Use when the user wants to design or improve a… | Matt Pocock | ★ 321k |
| |
Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug… | Matt Pocock | ★ 321k |
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Terse caveman voice: answer first, fluff gone, every technical fact kept. Use for /caveman,… | JuliusBrussee | ★ 119k |
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Skill | What it does | By | Stars | Install |
Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current… | Matt Pocock | ★ 321k |
| |
Compressed code review - one line per finding with location, problem and fix. Use for… | JuliusBrussee | ★ 119k |
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Use when completing tasks, implementing major features, or before merging to verify work meets… | Jesse Vincent | ★ 316k |
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All code review skills on Alyn →
Skill | What it does | By | Stars | Install |
Migrate test files from | Matt Pocock | ★ 321k |
| |
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions… | Matt Pocock | ★ 321k |
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Optimize REA providers and shared analysis workflows for agent context, latency, CPU, and memory… | morluto | ★ 451k |
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Skill | What it does | By | Stars | Install |
When the user wants to plan a product or feature launch, or asks whether it's ready, when to… | Corey Haines | ★ 59.7k |
| |
Creates, reads, updates, and deletes Arize AI integrations that store LLM provider credentials used… | GitHub | ★ 41k |
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Handles LLM-as-judge evaluation workflows on Arize including creating/updating evaluators, running… | GitHub | ★ 41k |
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Skill | What it does | By | Stars | Install |
Audit REA CI and test suites for correctness, fixture drift, false passes, and measured… | morluto | ★ 451k |
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Security hardening guidance for AI agent frameworks that process untrusted content, invoke tools,… | affaan-m | ★ 301k |
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Hardens code against vulnerabilities. Use when auditing an input handler for vulnerabilities, when… | Addy Osmani | ★ 116k |
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Skill | What it does | By | Stars | Install |
When the user wants to plan, run, or read A/B tests, or asks a judgement call on one: is the result… | Corey Haines | ★ 59.7k |
| |
When the user wants to work out which marketing drives revenue, or asks whether a channel is really… | Corey Haines | ★ 59.7k |
| |
Creating interactive data visualisations using d3.js. This skill should be used when creating… | OpenMontage | ★ 79.6k |
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All data analysis skills on Alyn →
Skill | What it does | By | Stars | Install |
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this… | Anthropic | ★ 193k |
| |
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx… | Anthropic | ★ 193k |
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Use this skill whenever the user wants to do anything with PDF files. This includes reading or… | Anthropic | ★ 193k |
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All documents skills on Alyn →
Skill | What it does | By | Stars | Install |
Reconstruct slide images, screenshots, scanned PDFs, or image-only PPTX files as object-level… | Yuan1z0825 | ★ 53.2k |
| |
Create or improve a Chinese academic PPTX from a scientific paper or research reading notes, with… | Yuan1z0825 | ★ 53.2k |
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Generates professional slide deck images from content. Creates outlines with style instructions,… | JimLiu | ★ 27.5k |
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All presentations skills on Alyn →
Skill | What it does | By | Stars | Install |
Build and sharpen a project's domain model. Use when discussing codebase terminology, writing or… | Matt Pocock | ★ 321k |
| |
Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or… | Matt Pocock | ★ 321k |
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Write a Conventional Commits message compressed to intent only. Use for "write a commit", "commit… | JuliusBrussee | ★ 119k |
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Skill | What it does | By | Stars | Install |
Score a scoped competitor set into comparable profile cards: nine weighted dimensions (positioning,… | affaan-m | ★ 301k |
| |
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit… | Anthropic | ★ 193k |
| |
When the user wants to write or judge ad creative, or asks which ad, hook, or angle to run or kill:… | Corey Haines | ★ 59.7k |
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All marketing skills on Alyn →
Skill | What it does | By | Stars | Install |
When the user wants to get cited and recommended in AI answers (ChatGPT, Perplexity, AI Overviews),… | Corey Haines | ★ 59.7k |
| |
When the user wants to audit or optimize an App Store or Google Play listing, or asks which title,… | Corey Haines | ★ 59.7k |
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When the user wants to research competitors into dated profiles, or asks what a rival charges,… | Corey Haines | ★ 59.7k |
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All seo & geo skills on Alyn →
Skill | What it does | By | Stars | Install |
When the user wants to write or run B2B cold outbound, or asks whether an opener, reason to reach… | Corey Haines | ★ 59.7k |
| |
When the user wants to plan or build a free tool as marketing, or asks whether a tool idea is worth… | Corey Haines | ★ 59.7k |
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Identify the best GTM motions and tools across 7 motion types: Inbound, Outbound, Paid Digital,… | phuryn | ★ 27.9k |
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Skill | What it does | By | Stars | Install |
Creates specs before coding. Use when starting a new project, feature, or significant change and no… | Addy Osmani | ★ 116k |
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Diagnose search-experience and intent mismatches using SERP page types, user stories, and persona… | AgriciDaniel | ★ 28k |
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Design AI agent architectures through requirements discovery, or audit and diagnose architectural… | GitHub | ★ 41k |
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All product management skills on Alyn →
Skill | What it does | By | Stars | Install |
Investigate a question against high-trust primary sources and capture the findings as a Markdown… | Matt Pocock | ★ 321k |
| |
When the user wants to run or synthesize customer research, or asks what customer quotes, reviews,… | Corey Haines | ★ 59.7k |
| |
When the user wants to find and qualify prospects for outbound, or asks who to target first, which… | Corey Haines | ★ 59.7k |
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Skill | What it does | By | Stars | Install |
Inspect Caveman Cloud's experiment lifecycle and block unsafe execution. Use when asked to start,… | JuliusBrussee | ★ 119k |
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When the user wants to plan, design, or implement an A/B test or experiment, or build a growth… | sickn33 | ★ 49.5k |
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Plans, executes, and documents validation, verification, and transfer of analytical procedures… | K-Dense | ★ 56.8k |
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Skill | What it does | By | Stars | Install |
Prepares and validates research-only clinical decision-support evaluation, evidence-profile,… | K-Dense | ★ 56.8k |
| |
Creates safety-bounded draft structures and runs local deterministic checks for clinical case,… | K-Dense | ★ 56.8k |
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Query ClinicalTrials.gov via APIv2. Use when you want to search for trials by condition, drug,… | Google DeepMind | ★ 3.5k |
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All healthcare skills on Alyn →
Skill | What it does | By | Stars | Install |
Use when executing implementation plans with independent tasks in the current session | Jesse Vincent | ★ 316k |
| |
Full-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper… | affaan-m | ★ 301k |
| |
Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with… | affaan-m | ★ 301k |
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All ai engineering skills on Alyn →
Skill | What it does | By | Stars | Install |
When the user wants to list a product in startup, SaaS, AI, MCP, and review directories, or asks… | Corey Haines | ★ 59.7k |
| |
Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs… | Addy Osmani | ★ 116k |
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DEPRECATED: This skill has been replaced by | Shubhamsaboo | ★ 144k |
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Skill | What it does | By | Stars | Install |
Regression testing strategies for AI-assisted development. Sandbox-mode API testing without… | affaan-m | ★ 301k |
| |
Build a new API connector or provider by matching the target repo's existing integration pattern… | affaan-m | ★ 301k |
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Evidence-first automation inventory and overlap audit workflow for ECC. Use when the user wants to… | affaan-m | ★ 301k |
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All automation skills on Alyn →
Skill | What it does | By | Stars | Install |
Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints,… | Anthropic | ★ 193k |
| |
When the user wants to create video with AI tools or code, or asks which approach to use (screen… | Corey Haines | ★ 59.7k |
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Build voice AI agents with ElevenLabs. Use when creating voice assistants, customer service bots,… | OpenMontage | ★ 79.6k |
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Skill | What it does | By | Stars | Install |
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration.… | Anthropic | ★ 193k |
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Create validated architecture, workflow, sequence, data-flow, lifecycle/state, ERD, class, tree,… | tt-a1i | ★ 95.5k |
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Improve Archify diagram accuracy, visual quality and complete authoring speed with fewer repairs.… | tt-a1i | ★ 95.5k |
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All images & art skills on Alyn →
Skill | What it does | By | Stars | Install |
Simplification audit or authorized codebase simplification whose stated objective is to remove… | tt-a1i | ★ 95.5k |
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Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library. Use when the user asks… | OpenMontage | ★ 79.6k |
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Create professional diagrams with configurable dark/light theme via CSS custom properties. Use this… | JimLiu | ★ 27.5k |
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Skill | What it does | By | Stars | Install |
Clean Architecture patterns for Android and Kotlin Multiplatform projects, module structure,… | affaan-m | ★ 301k |
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Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA,… | sickn33 | ★ 49.5k |
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React Native and Expo best practices for building performant mobile apps. Use when building React… | Vercel | ★ 33.9k |
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Skill | What it does | By | Stars | Install |
Build a production behavior-tree runtime (Blackboard, action/condition leaves,… | gamedev-skills | ★ 8.3k |
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Implement game audio practice, bus/mixer architecture and gain in decibels, ducking (sidechain),… | gamedev-skills | ★ 8.3k |
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Build game cameras that feel good, 2D follow with a deadzone, look-ahead, smoothing, and… | gamedev-skills | ★ 8.3k |
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All game development skills on Alyn →
Skill | What it does | By | Stars | Install |
Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test… | Matt Pocock | ★ 321k |
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Use after completing any non-trivial task. The agent self-rates its output on 5 axes, accuracy,… | affaan-m | ★ 301k |
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Act on a Caveman learn report - review the ranked token sinks, apply cost-lowering fixes with… | JuliusBrussee | ★ 119k |
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All productivity skills on Alyn →
Skill | What it does | By | Stars | Install |
Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial… | affaan-m | ★ 301k |
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When the user wants a full marketing or go-to-market plan for a client, an advised company, or… | Corey Haines | ★ 59.7k |
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Routes an accounting or audit request to the right module skill, from software selection through… | sickn33 | ★ 49.5k |
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Skill | What it does | By | Stars | Install |
Audit pages and user journeys against a declared WCAG scope. Use when identifying keyboard,… | sickn33 | ★ 49.5k |
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Master smart contract security best practices to prevent common vulnerabilities and implement… | wshobson | ★ 42.4k |
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Conduct WCAG 2.2 accessibility audits with automated testing, manual verification, and remediation… | wshobson | ★ 42.4k |
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Skill | What it does | By | Stars | Install |
Stop and check this skill before finishing any reply to a question about how to use Claude or a… | Anthropic | ★ 193k |
| |
Teach the user a new skill or concept, within this workspace. | Matt Pocock | ★ 321k |
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Keep gbrain current with this repo's code and refresh agent search guidance in CLAUDE.md. (gstack) | Garry Tan | ★ 141k |
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All education skills on Alyn →
Skill | What it does | By | Stars | Install |
Design and implement event stores for event-sourced systems. Use when building event sourcing… | wshobson | ★ 42.4k |
| |
Comprehensive SEO analysis for any website or business type. Full site audits, single-page… | AgriciDaniel | ★ 28k |
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Analyze ecommerce SEO across product pages, product schema, Shopping visibility, marketplace… | AgriciDaniel | ★ 28k |
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All e-commerce skills on Alyn →
Skill | What it does | By | Stars | Install |
When the user wants to set up, audit, or fix conversion tracking to Google Ads, Meta, GA4,… | Corey Haines | ★ 59.7k |
| |
When the user wants creator, influencer, or ambassador partnerships, or asks which creators fit,… | Corey Haines | ★ 59.7k |
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Create, iterate, and scale paid ad creative for Google Ads, Meta, LinkedIn, TikTok, and similar… | sickn33 | ★ 49.5k |
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All social media skills on Alyn →
Skill | What it does | By | Stars | Install |
Extracts what the user actually wants instead of what they think they should want. Achieves this… | Addy Osmani | ★ 116k |
| |
Create a structured customer interview script with JTBD probing questions, warm-up, core… | phuryn | ★ 27.9k |
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Comprehensive PM resume review and tailoring against 10 best practices including XYZ+S formula,… | phuryn | ★ 27.9k |
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Skill | What it does | By | Stars | Install |
Pre-build product and feature risk review for founders, product managers, and AI-assisted builders.… | wshobson | ★ 42.4k |
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Use when asked to review a plan, challenge a proposal, run a CEO review, poke holes in an approach,… | Garry Tan | ★ 141k |
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Use when asked to brainstorm, evaluate whether an idea is worth building, run office hours, or… | Garry Tan | ★ 141k |
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Every skill gets an Alyn Score from 0 to 100:
Signal | Weight | Measured by |
Popularity | 45% | GitHub stars and real installs |
Quality | 25% | Six checks on the SKILL.md: trigger, description, depth, resources, license, docs |
Momentum | 15% | Star growth over the last 7 days |
Freshness | 15% | Last push to the repository |
Path | Contents |
The | |
Alyn MCP setup for every client and the tool reference | |
The Alyn skills | |
The generator for this README | |
Tests for the CLI, the skills and the README |
This README is generated from alyn.dev. To add a skill to Alyn, submit it on the website. Skills listed here belong to their authors.
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