DualNova/agent-skills
Specification + validator for the agent-skills standard — machine-readable .well-known/agent-skills/SKILL.md files that let AI assistants (ChatGPT, Claude, Perplexity, Gemini) execute capabilities on your site's behalf.
Source: https://github.com/DualNova/agent-skills
Discovered during the daily awesomeskills.dev agent-skill hunt.