A skill is executable trust – you install someone's instructions *and their scripts* into an agent that can touch your files, your keys, your machine. A supply chain needs a gate — and good skills to run behind it. Here are both.
Score any skill, repo, or agent answer 0–8 with file:line evidence, before you trust it.
Keep context and replies lean.
Skills for the Apple platforms.
Swift beyond the app: embedded, Android, Vapor, ports.
How the work gets done: plans, TDD, being grilled.
The biggest category: CLI bridges and service hookups.
SEO without tricks, and wallet integration on the web.