assistant-ui is by assistant-ui — not by us.
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Indexed Sep 28, 2026 · 12,335 stars at index time. Maintainers: claiming verifies your identity and unlocks a higher assurance tier. Removal requests are honored.
Component · for humans & their agents
assistant-ui
unclaimed listingactively maintainedFreeMIT
Typescript/React Library for AI Chat 💬🚀
by Open Source Community · New publisher
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assistant-ui/assistant-ui is an open-source project by assistant-ui: Typescript/React Library for AI Chat 💬🚀. Indexed here so it can be found — not resold.
It is free. Get it from the upstream repository: https://github.com/assistant-ui/assistant-ui
From the project's own README (excerpt, reproduced for discovery under its MIT license):
Product · Documentation · Examples · Discord · Contact Sales
The UX of ChatGPT in your React app 💬🚀
assistant-ui is an open-source TypeScript/React library to build production-grade AI chat experiences fast.
Installation
The fastest path is the CLI, which scaffolds a Next.js app or adds the styled components to an existing project:
Or install the packages directly:
Usage
useChatRuntime connects to the Vercel AI SDK out of the box. Swap it for useLangGraphRuntime, useDataStreamRuntime, or any custom runtime to integrate with your own backend.
What you get • Composable primitives: build any chat UX from Thread, Message, Composer, ThreadList, ActionBar, and friends. Style every pixel yourself, or start from a polished shadcn/ui theme that the CLI copies into your project. • Production UX out of the box: streaming, auto-scroll, retries, attachments, markdown, code highlighting, voice dictation, keyboard shortcuts, and accessibility. • Generative UI: render tool calls and JSON as React components, collect inline human approvals, and expose safe frontend actions to the model. • Strong TypeScript: typed runtime APIs, tool schemas, message parts, and adapters end to end.
Backends
Integration Package -------------------------------------- ---------------------------------------------------------------- Vercel AI SDK @assistant-ui/ai-sdk LangGraph / LangChain @assistant-ui/react-langgraph, @assistant-ui/react-langchain AG-UI / A2A protocols @assistant-ui/react-ag-ui, @assistant-ui/react-a2a Google ADK / OpenCode @assistant-ui/react-google-adk, @assistant-ui/react-opencode Custom data-stream backend @assistant-ui/react-data-stream Managed thread history, telemetry, and file storage assistant-cloud
Broad model support…
Preview
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01Capabilities
Does
- No capabilities recorded
Doesn’t
- No exclusions declared
02Requirements & stack
Depends on
No declared dependencies
Credentials needed
None declared
Stack
03Community
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Issues 0
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04Trust Passport
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This listing is unclaimed, so publisher identity cannot be verified and it stays below the “verified” tier by design — that is a statement about the listing, not about the project’s quality. Our automated scans still ran; a maintainer who claims it unlocks identity verification.
05Versions
Full history →| Version | Channel | Released | Notes |
|---|---|---|---|
| 0.0.0 | stable | Sep 28, 2026 | Indexed listing — see the upstream repository for real release history. |