Manifest
UI blocks for building ChatGPT-style and MCP apps
Manifest is an open-source UI block library designed to help developers build ChatGPT-style applications and MCP apps with interfaces that feel native to AI assistants. It provides production-ready, composable components built on top of shadcn/ui that you can customize and extend.
Key Features
- Production-ready UI blocks tailored to conversational and agentic app layouts
- Built on top of shadcn/ui for easy adoption within modern React codebases
- Installable blocks via CLI for quick integration into existing projects
- Customizable and extensible components intended to be adapted per product
- Designed for apps that render inside AI assistant contexts (for example, ChatGPT-style UIs)
Use Cases
- Building ChatGPT-style internal tools that combine chat with structured UI blocks
- Creating MCP apps with reusable interface patterns and consistent design
- Rapid prototyping of agentic app frontends using prebuilt, customizable components
Limitations and Considerations
- This project is a UI/component library, not a complete backend or full application framework
- Requires an existing shadcn/ui setup and a compatible React/TypeScript frontend stack
Manifest helps teams ship assistant-native app interfaces faster by providing a focused set of reusable UI building blocks. It is best suited for developers who want a structured, production-oriented component toolkit for conversational and agentic products.
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