awesome-agent-skills and SKILLS_All-in-one
These are competitors offering overlapping collections of agent skills for similar AI platforms, though A has significantly greater adoption and breadth (500+ skills vs. a smaller curated set) while B emphasizes multi-platform compatibility across Claude Code, ChatGPT, and MCP workflows.
About awesome-agent-skills
VoltAgent/awesome-agent-skills
Claude Code Skills and 500+ agent skills from official dev teams and the community, compatible with Codex, Antigravity, Gemini CLI, Cursor and others.
Curated with 1030+ production skills from engineering teams (Anthropic, Google, Vercel, Stripe, Cloudflare, etc.) and the community, this repository emphasizes real-world usage over AI-generated content. Skills are organized by provider and compatible across multiple agent platforms via standardized tool definitions. Built-in security guidance recommends reviewing source code and using external scanning tools before installation, acknowledging that skills can introduce prompt injection or malware risks.
About SKILLS_All-in-one
eric861129/SKILLS_All-in-one
Open-source AI agent skills library with downloadable skills for Claude Code, ChatGPT, and MCP workflows.
Provides deep content preview and file structure inspection before download, enabling developers to evaluate skills across 6 functional categories (development tools, data analysis, security, writing, automation, documents). Built with React/Vite frontend and Fuse.js search, it generates build-time skill manifests to support Claude Code, Claude Desktop, ChatGPT, Gemini CLI, and MCP-based workflows with standardized packaging.
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