Cem serve
Skill bennypowers/cem/extensions/claude-code/skills/cem-serve
The standards-based Web Components multitool. Generate Custom Elements Manifests, Dev Server, LSP, and MCP for your app or design systemFrom the repository description
npx -y skills add bennypowers/cem --skill cem-serveAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.