---
title: Extensions
description: "Extend Zed with themes, language support, AI tools, and more through the extension system."
---

# Extensions

Zed lets you add new functionality using user-defined extensions.

- [Installing Extensions](./extensions/installing-extensions.md)
- [Extension Capabilities](./extensions/capabilities.md)
- [Developing Extensions](./extensions/developing-extensions.md)
  - [Developing Language Extensions](./extensions/languages.md)
  - [Developing Debugger Extensions](./extensions/debugger-extensions.md)
  - [Developing Themes](./extensions/themes.md)
  - [Developing Icon Themes](./extensions/icon-themes.md)
  - [Developing Snippets](./extensions/snippets.md)
  - [Developing Agent Servers](./extensions/agent-servers.md)
  - [Developing MCP Servers](./extensions/mcp-extensions.md)