235 production-ready Claude Code skills, plugins, and agent skills for 12 AI coding tools. The most comprehensive open-source library of Claude Code skills and agent plugins — also works with OpenAI ...
Description: Substances used to wear down or polish surfaces by rubbing against the surface. Examples: sandstones, pumice, silex, quartz, silicates, aluminum oxides ...
Agent searches GitHub → reads 10 SKILL.md files → compares them → picks one = ~50,000 tokens burned per skill lookup No registration required for reading. No API key needed for search or fetching ...