Back to traction

Every distribution, in one place.

35 packages on npm, grouped by surface area. Pick the one that fits your stack.

35

Packagesacross the ecosystem

10

Surfacescategories shipped

2.7M

Weekly downloadscombined across npm

Top packages by weekly downloads

Last 7 days, npm registry.

Core

Runtime primitives every distribution shares.

4

@assistant-ui/react

TypeScript/React library for AI chat.

415.7k / week+28%

@assistant-ui/core

Framework-agnostic core runtime.

249.0k / week+101%

@assistant-ui/store

Tap-based state management.

273.5k / week+56%

@assistant-ui/tap

Zero-dependency reactive primitives.

337.1k / week+40%

Tooling & CLI

Scaffolding and build tooling.

3

CLI for assistant-ui.

2.9k / week-33%

create-assistant-ui

Scaffold an assistant-ui app in one command.

@assistant-ui/x-buildutils

Shared build utilities for the monorepo.

Cloud & streaming

Hosted persistence and stream transports.

3

assistant-cloud

Hosted backend for assistant-ui.

400.6k / week+35%

assistant-stream

Streaming utilities for AI assistants.

466.5k / week+31%

@assistant-ui/cloud-ai-sdk

AI SDK hooks with assistant-cloud persistence.

Framework adapters

Drop-in bindings for popular AI SDKs.

5

@assistant-ui/react-ai-sdk

Vercel AI SDK adapter.

127.4k / week+10%

@assistant-ui/react-langgraph

LangGraph adapter.

16.8k / week+15%

@assistant-ui/react-langchain

LangChain useStream adapter.

@assistant-ui/react-google-adk

Google ADK adapter.

244 / week+210%

@assistant-ui/react-opencode

OpenCode runtime adapter.

Protocol adapters

Open agent protocols, ready to wire up.

3

@assistant-ui/react-a2a

A2A v1.0 agent-to-agent protocol adapter.

270 / week+164%

@assistant-ui/react-ag-ui

AG-UI protocol adapter.

11.3k / week+944%

@assistant-ui/react-data-stream

Generic data stream adapter.

15.1k / week+59%

Platform bindings

Run anywhere React runs.

2

@assistant-ui/react-native

React Native bindings.

3.5k / week+408%

@assistant-ui/react-ink

Terminal UI bindings via Ink.

UI & rendering

Markdown, rich composers, and devtools.

7

@assistant-ui/react-markdown

Streaming-aware markdown renderer.

287.8k / week+17%

@assistant-ui/react-streamdown

Streamdown-based markdown rendering.

10.2k / week+188%

@assistant-ui/react-syntax-highlighter

Syntax highlighting for assistant-ui.

22.1k / week-1%

@assistant-ui/react-ink-markdown

Markdown for the terminal distribution.

@assistant-ui/react-lexical

Lexical composer with @-mention support.

819 / week+386%

@assistant-ui/react-hook-form

React Hook Form integration.

1.5k / week-15%

@assistant-ui/react-devtools

Inspect runtime state in the browser.

Effects & primitives

Standalone packages we built along the way.

4

Tailwind v4 plugin for glass refraction effects.

Tailwind v4 plugin for shimmer effects.

34.9k / week+87%

Headless React components for activity heatmaps.

safe-content-frame

Secure iframe rendering for untrusted content.

MCP & agents

Tooling for MCP hosts and agent runtimes.

3

Build interactive apps for MCP hosts.

@assistant-ui/mcp-docs-server

MCP server exposing assistant-ui docs.

2.9k / week+11%

@assistant-ui/agent-launcher

Launch Claude Code with bundled plugins.

Observability

Trace, debug, and measure assistants.

1

@assistant-ui/react-o11y

Observability primitives for assistants.