Skill-Md

Agent Skills Open Standard
The open SKILL.md format for packaging reusable agent capabilities, originated by Anthropic and now adopted across Codex, Gemini CLI, Grok …
Skills
Codex Skills System
OpenAI Codex's built-in support for SKILL.md skills, discovered from ~/.codex/skills/ and installable via $skill-installer from a curated …
Skills
Gemini CLI Skills System
Gemini CLI's native support for the Agent Skills (SKILL.md) open standard.
Skills
Google Antigravity Skills System
Google Antigravity's SKILL.md-based capability-extension system, with global and per-project skill scopes.
Skills
Grok Build Skills System
xAI Grok Build's SKILL.md skills system, reading .grok/skills/, plugin skill dirs, and directly Claude Code-compatible.
Skills