Co validate
Skill SnakeO/claude-co-commands/plugins/co-commands/skills/co-validate
Co-* planning, validation, and brainstorming commands for Claude Code via Codex MCPFrom the repository description
npx -y skills add SnakeO/claude-co-commands --skill co-validateAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.