Comparison

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
1.2M
Stars
API
Registry
SignalOpenAgentSkillAgentSkills.io
Core ideaA 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 userAgents and builders who need ranked skill shortlists for a concrete task.Humans learning the specification, concepts, and examples around agent skills.
Agent APIRegistry endpoints for search, recommendation, manifest, install handoff, audits, packs, and rankings.Documentation-first browsing and reference material.
Evaluation modelGitHub 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 forTask-to-skill selection, SEO landing pages, agent-readable metadata, and install workflow handoff.Understanding what Agent Skills are and why the format matters.
PositioningThe 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.

View best lists
Frontend Design

Guidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product interfaces.

180K stars

100

Quality

89

Trust

93

Safe to try

$ npx skills add anthropics/skills --skill frontend-design
Taste Skill: Anti-Slop Frontend

Design and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.

94K stars

100

Quality

92

Trust

94

Safe to try

$ npx skills add Leonxlnx/taste-skill --skill design-taste-frontend
Guizang Ppt Skill

AI-agent Skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL/low-power presentation runtime.

25K stars

100

Quality

90

Trust

93

Safe to try

$ npx skills add op7418/guizang-ppt-skill
Webapp Testing

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

180K stars

100

Quality

87

Trust

92

Safe to try

$ npx skills add anthropics/skills --skill webapp-testing
Canvas Design

Create original visual art, posters, PNG assets, and PDF documents through a clear design philosophy.

180K stars

100

Quality

88

Trust

92

Safe to try

$ npx skills add anthropics/skills --skill canvas-design
Agent Skills

Production-grade engineering skills for AI coding agents.

88K stars

100

Quality

85

Trust

89

Safe to try

$ npx skills add addyosmani/agent-skills
Open Design

🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.

88K stars

100

Quality

89

Trust

92

Safe to try

$ npx skills add nexu-io/open-design
Superpowers

An agentic skills framework & software development methodology that works.

257K stars

100

Quality

85

Trust

89

Safe to try

$ npx skills add obra/superpowers