Agent Skills Marketplace - Claude, Codex & ChatGPT Skills | SkillsMPBrowse 25,000+ agent skills compatible with Claude Code, Codex CLI and ChatGPT. The open standard SKILL.md format for AI coding assistants.#agent#assistant#tools#cli·skillsmp.com·Dec 26, 2025Agent Skills Marketplace - Claude, Codex & ChatGPT Skills | SkillsMP