Best Claude Code Skills & Plugins (2026 Guide)

Skills are markdown instruction files teaching Claude Code specific behaviors; plugins add supporting files; MCP servers connect external tools like databases. Hundreds of community skills exist across claudemarketplace.com, GitHub, and Anthropic docs, though most developers still use Claude Code without customization. Start with free skills for git workflows, code review patterns, and test generation; paid skills (5-15 EUR) target specialized professional workflows. Skills teach Claude Code your team's conventions, design system components, and preferred workflows that aren't included in the generalist default version. Claude Code Ships With Zero Skills. Here's How to Add Superpowers. Out of the box, Claude Code is a powerful coding agent. But it's a generalist. It doesn't know your team's conventions, your preferred git workflow, or how to generate components in your design system. Skills change that. They're instruction files that teach Claude Code specific behaviors, and the ecosys