Real file from a public repo · synced Sep 3, 2026
assistant-ui
Overview and router for assistant-ui, the React library for building AI chat interfaces from composable primitives. Use for high-level, cross-cutting, or architecture-overview questions: choosing packages, picking a runtime, or understanding the layered model (RuntimeCore, Runtime, the aui client, primitives) and message model. Covers the @assistant-ui/react core plus @assistant-ui/react-ai-sdk, @assistant-ui/react-langchain, @assistant-ui/react-langgraph, assistant-stream, and assistant-cloud, and the platform bindings @assistant-ui/react-native and @assistant-ui/react-ink; AssistantRuntimeProvider; the primitives ThreadPrimitive, MessagePrimitive, ComposerPrimitive; the hooks useAui, useAuiState, useAuiEvent; and runtime selection across useChatRuntime, useExternalStoreRuntime, useLangGraphRuntime, useLocalRuntime. Current line is @assistant-ui/react 0.15.x on AI SDK v7. For a specific area route to a focused sibling instead: setup, runtime, primitives, tools, streaming, cloud, thread-list, copilots, markdown, react-mcp, observability, or update. Not for hands-on tasks already owned by those siblings.
Works with
Install in three steps
- 1
Download the ZIP
One file per agent, plus INSTALL.md with the exact paths below.
- 2
Claude Code: copy SKILL.md into your skills folder
.claude/skills/assistant-ui/SKILL.md # this project ~/.claude/skills/assistant-ui/SKILL.md # every project
- 3
Other agents: use the matching file
skill.mdc goes in Cursor’s .cursor/rules/. AGENTS.md works as GitHub Copilot instructions, a legacy .cursorrules, or a Codex / Gemini CLI instructions file.
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