Skybridge

Build React apps running inside Claude, ChatGPT with Skybridge.

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About Skybridge

Skybridge is an open-source, full-stack React and TypeScript toolkit designed to simplify the development of Model Context Protocol (MCP) applications and servers that integrate directly into AI assistants like Claude and ChatGPT. It enables teams to build rich, interactive widgets and tools that appear natively within AI chat interfaces and integrated development environments (IDEs) such as VSCode, Cursor, and Goose. By bridging typed server definitions with React-based user interfaces, Skybridge streamlines the creation of MCP apps, making the development process resemble standard web development workflows. The toolkit emphasizes type safety, fast iteration cycles, and consistent behavior across different clients, ensuring a seamless experience for developers. Skybridge includes a cross-host MCP runtime, a suite of development tools, and production-ready examples to accelerate the building and deployment of MCP applications. It is particularly well-suited for teams aiming to create agent-ready skills and autonomous agent integrations with minimal friction. The open-source nature of Skybridge fosters ecosystem alignment and community collaboration, making it a practical choice for developers seeking to extend the capabilities of AI assistants and IDEs.

Key features

Cross-host MCP runtime
DevTools suite
Typed server-to-UI bridge
Agent-ready skills and CLI
Production-ready examples
Open-source and ecosystem alignment

Use cases

Building conversational booking, analytics, or support flows that surface inside ChatGPT and Claude via MCP Apps.
Standardizing how internal tools and data are exposed to assistants and IDEs from a single Skybridge codebase.
Publishing polished assistant UIs to MCP directories while retaining full control over source code and hosting.

Pros

Full-stack React and TypeScript framework designed specifically for Model Context Protocol (MCP) app development
Enables seamless deployment of MCP apps across multiple AI assistants and IDEs, including Claude, ChatGPT, VSCode, Cursor, and Goose
Provides a complete local emulator, Hot Module Reload, and public tunnel for efficient development and testing
Offers type-safe end-to-end inference from MCP server tool definitions to React views, enhancing developer experience
Includes production-ready examples and a robust DevTools suite for streamlined app creation and debugging

Cons

Requires familiarity with React and TypeScript, limiting accessibility for non-developers
Dependency on the MCP ecosystem, which may still be evolving and less widely adopted
Local development setup may involve additional complexity compared to traditional web frameworks

Frequently asked questions about Skybridge

What is Skybridge and what does it do?

Skybridge is a full-stack React and TypeScript framework for building Model Context Protocol (MCP) apps and servers that run inside AI assistants like Claude and ChatGPT, as well as IDEs such as VSCode and Cursor. It enables developers to create interactive widgets and tools that integrate directly into AI chat surfaces.

Who is Skybridge designed for?

Skybridge is designed for teams and developers who want to build rich, interactive MCP applications with React and TypeScript. It suits those aiming to deploy tools in AI assistants, IDEs, or other MCP-compatible clients.

How does Skybridge work with MCP apps?

Skybridge abstracts implementation differences across MCP clients, allowing apps to run seamlessly in environments like Claude, ChatGPT, and VSCode. It provides a typed server-to-UI bridge, enabling developers to define tools and React components that work consistently across clients.

Does Skybridge support local development and testing?

Yes, Skybridge includes a complete local development environment with Hot Module Reload, a local emulator, and a public tunnel for testing apps on any device. It also offers tools like server audits to validate readiness for deployment.

What kind of examples or templates does Skybridge provide?

Skybridge offers production-ready example applications for various use cases, such as e-commerce, travel, and SaaS. These examples help developers get started quickly and understand best practices for building MCP apps.

Is Skybridge open-source?

Yes, Skybridge is an open-source framework, allowing developers to contribute to its development and customize it to fit their needs.