Codex CLI requires YAML frontmatter (---) in SKILL.md files. 6 skills were missing frontmatter entirely; laravel-verification had a bare colon in its description causing an invalid YAML parse error.
Closes competitive gaps with gstack: - browser-qa: automated visual testing via browser MCP - design-system: generate, audit, and detect AI slop in UI - product-lens: product diagnostic, founder review, feature prioritization - canary-watch: post-deploy monitoring with alert thresholds - benchmark: performance baseline and regression detection - safety-guard: prevent destructive operations in autonomous sessions
