Build Better AI Agent Skills With Skill Creator v2 from Anthropic

In this video, I walk through Anthropic’s Skill Creator v2 and show how it works and then use it to review and improve a real skill inside I created. It's a long video but it's pretty impressive what the new skill creator skill does. You’ll see how to: install Skill Creator from skills.sh inspect what’s included in the skill run it against an existing README Wizard skill I created use sub-agents, evals, and benchmark comparisons review results in the HTML eval viewer optimize the skill description for better triggering accuracy This is a practical look at how to make your agent skills more reliable, measurable, and easier to improve over time. If you’re building custom skills for GitHub Copilot, Claude Code, or other coding agents, this workflow is worth adding to your toolbox. 0:00 Intro and Find Skill Creator on skills.sh 1:29 Install Skill Creator 3:09 Explore what the skill includes 5:28 Test it on a real README skill 8:59 Review problems and planned fixes 12:54 Run evals and sub-agents 14:10 Compare benchmark results 18:58 Open the HTML eval viewer 23:45 Optimize the skill description Links mentioned in the video: skills.sh https://skills.sh/anthropics/skills/s... npx skills add https://github.com/anthropics/skills --skill skill-creator #VSCode #GitHubCopilot #AIEngineering #AgentSkills