Claude Code works directly on your files, runs code, and manages tasks without you needing to be a developer. Here's what you need to know to use it well.

Skills are reusable instruction sets for AI agents - write once, the agent uses them on demand. Covers structure, loading logic, security, and authoring tips.

MCP servers let your AI agent read from and act on external services without manual copy-pasting. Covers setup, authentication, and when to build your own.