Show HN：mcp-apps-kit - 使用單一程式碼庫為 MCP Apps 和 ChatGPT 建置 AI 應用程式

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A TypeScript framework for building interactive MCP applications that work seamlessly with both MCP Apps and ChatGPT (OpenAI Apps SDK) from a single codebase.

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AndurilCode/mcp-apps-kit

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Build interactive AI apps for MCP Apps and ChatGPT from a single codebase.

Quick Start

Features

Table of Contents

Background

MCP AppsKit is a TypeScript framework for building interactive applications with shared tool and UI definitions. MCP Apps enables servers to deliver interactive UIs to MCP hosts. OpenAI Apps SDK powers apps inside ChatGPT. This framework abstracts both protocols, providing a server runtime, client SDK, React bindings, and a scaffolding CLI.

Best for: One codebase serving MCP Apps + ChatGPT, type-safe tools with Zod, tool-to-UI rendering patterns.

May not fit: Single protocol with low-level control needs, or custom transport/session behavior beyond the built-in server.

Packages

Compatibility

Install

See Packages for all available packages.

Usage

Server

React UI

Wrap your app with AppsProvider and use hooks to access tool results:

For complete examples including API versioning, React component UIs, and advanced patterns, see the Examples section.

Deployment

Express (default)

Custom Express

Stdio

Serverless

Platform Support

Examples

Kanban demo repository (tool calling, React widgets, plugins, middleware, events):

Local examples:

API

📖 API Reference - Full TypeDoc-generated documentation

Detailed package documentation:

Contributing

See CONTRIBUTING.md for development setup and guidelines. Issues and pull requests are welcome.

License

MIT

About

A TypeScript framework for building interactive MCP applications that work seamlessly with both MCP Apps and ChatGPT (OpenAI Apps SDK) from a single codebase.

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