Crawl4AI
66K starsOpen-source LLM-friendly web crawler and scraper for agent workflows.
$ npx skills add unclecode/crawl4aiComparison
OpenAgentSkill vs AgentSkills.io.
AgentSkills.io is a useful reference for the skill concept. OpenAgentSkill is built as the registry layer: agents can query, rank, compare, and install skills for real tasks.
12
Skills
912K
Stars
API
Registry
| Signal | OpenAgentSkill | AgentSkills.io |
|---|---|---|
| Core idea | A searchable registry and install layer that helps agents discover, compare, and use reusable skills. | A strong conceptual and documentation hub around the Agent Skills format and ecosystem. |
| Primary user | Agents and builders who need ranked skill shortlists for a concrete task. | Humans learning the specification, concepts, and examples around agent skills. |
| Agent API | Registry endpoints for search, recommendation, manifest, install handoff, audits, packs, and rankings. | Documentation-first browsing and reference material. |
| Evaluation model | GitHub stars, freshness, quality score, trust checks, audit warnings, use-case fit, and install readiness. | Useful ecosystem context, but less focused on side-by-side decision scoring. |
| Best for | Task-to-skill selection, SEO landing pages, agent-readable metadata, and install workflow handoff. | Understanding what Agent Skills are and why the format matters. |
| Positioning | The skill layer for AI agents: discover, compare, install, and compose skills automatically. Think npm for AI Agent Skills. | A reference destination for the skill concept and examples. |
Registry
Agent-readable APIs
Search, recommend, fetch manifests, and return install handoffs.
Compare
OpenAgentSkill vs skills.sh
Compare registry discovery with CLI-centered distribution.
SEO
Best skill lists
Turn task intent into ranked, installable shortlists.
Real skill shortlist
OpenAgentSkill ranks installable skills, not just concepts.
Each row below is a real indexed skill with quality, Trust Score, audit risk, and an install handoff. This is the practical layer agents need before choosing what to run.
Taste Skill: Anti-Slop Frontend
66K starsDesign and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.
$ npx skills add Leonxlnx/taste-skill --skill design-taste-frontendAgent Skills
62K starsProduction-grade engineering skills and quality gates for AI coding agents.
$ npx skills add addyosmani/agent-skillsFirecrawl
34K starsTurn websites into clean markdown or structured data for retrieval and agents.
$ npx skills add mendableai/firecrawlFrontend Design
163K starsGuidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product interfaces.
$ npx skills add anthropics/skills --skill frontend-designWebapp Testing
163K starsUse Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.
$ npx skills add anthropics/skills --skill webapp-testingMarkItDown
80K starsConvert PDFs, Office documents, and web files into clean markdown for agents.
$ npx skills add microsoft/markitdownVercel React Best Practices
29K starsReact and Next.js performance guidance for writing, reviewing, and refactoring production UI code.
$ npx skills add vercel-labs/agent-skills --skill vercel-react-best-practices