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56 lines
3.2 KiB
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56 lines
3.2 KiB
Markdown
---
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title: Overview
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sidebar_position: 1
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---
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Licensed to the Apache Software Foundation (ASF) under one
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http://www.apache.org/licenses/LICENSE-2.0
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# Overview
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Apache Superset's extension system enables organizations to build custom features without modifying the core codebase. Inspired by the [VS Code extension model](https://code.visualstudio.com/api), this architecture addresses a long-standing challenge: teams previously had to fork Superset or make invasive modifications to add capabilities like query optimizers, custom panels, or specialized integrations—resulting in maintenance overhead and codebase fragmentation.
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The extension system introduces a modular, plugin-based architecture where both built-in features and external extensions use the same well-defined APIs. This "lean core" approach ensures that any capability available to Superset's internal features is equally accessible to community-developed extensions, fostering a vibrant ecosystem while reducing the maintenance burden on core contributors.
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## What are Superset Extensions?
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Superset extensions are self-contained `.supx` packages that extend the platform's capabilities through standardized contribution points. Each extension can include both frontend (React/TypeScript) and backend (Python) components, bundled together and loaded dynamically at runtime using Webpack Module Federation.
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## Extension Capabilities
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Extensions can provide:
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- **Custom UI Components**: New panels, views, and interactive elements
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- **Commands and Menus**: Custom actions accessible via menus and keyboard shortcuts
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- **REST API Endpoints**: Backend services under the `/api/v1/extensions/` namespace
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- **MCP Tools and Prompts**: AI agent capabilities for enhanced user assistance
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## Next Steps
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- **[Quick Start](./quick-start)** - Build your first extension with a complete walkthrough
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- **[Architecture](./architecture)** - Design principles and system overview
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- **[Dependencies](./dependencies)** - Managing dependencies and understanding API stability
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- **[Contribution Types](./contribution-types)** - Available extension points
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- **[Development](./development)** - Project structure, APIs, and development workflow
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- **[Deployment](./deployment)** - Packaging and deploying extensions
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- **[MCP Integration](./mcp)** - Adding AI agent capabilities using extensions
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- **[Security](./security)** - Security considerations and best practices
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- **[Tasks](./tasks)** - Framework for creating and managing long running tasks
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- **[Community Extensions](./registry)** - Browse extensions shared by the community
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