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Extensions

Ways to extend an AI coding assistant beyond its base capabilities — skills, MCP servers, plugins.

In this section

  • SkillsSKILL.md files that teach focused capabilities.
  • MCP — Model Context Protocol servers that expose tools and data.
  • Plugins — bundles of skills, MCP servers, hooks, slash commands.

Quick comparison

Type What it adds Lifecycle
Skill Procedural knowledge / how-to Loaded on demand
MCP server Tools + resources from external systems Persistent connection
Plugin Bundle of the above + commands/hooks Installed package