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UpdatedJune 19, 2026 at 07:07

Upgrades an existing assistant-ui project to current releases and executes the resulting migrations. Use when the user wants to update, upgrade, bump, or migrate @assistant-ui/react, @assistant-ui/react-ai-sdk, ai, or @ai-sdk/react, hits peer-dependency conflicts or post-upgrade type errors, or must apply renamed APIs after a version jump. Detects installed versus latest versions via npm ls / npm view, then routes through breaking-change references for each jump (AI SDK v4/v5 to v6; assistant-ui 0.8.x to 0.14.x): useAssistantApi to useAui, runtime.threadList to runtime.threads, ThreadPrimitive.ViewportSlack removal, the primitives components prop to children render functions, toDataStreamResponse to toUIMessageStreamResponse, maxSteps to stopWhen: stepCountIs(n). Runs npx assistant-ui@latest upgrade, pnpm/npm add @latest, and npx tsc --noEmit to verify. For a first-time install or fresh scaffold (not an upgrade) use setup instead.

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FireTable/langgraph-app

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SKILL.md

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name	update
description	Upgrades an existing assistant-ui project to current releases and executes the resulting migrations. Use when the user wants to update, upgrade, bump, or migrate @assistant-ui/react, @assistant-ui/react-ai-sdk, ai, or @ai-sdk/react, hits peer-dependency conflicts or post-upgrade type errors, or must apply renamed APIs after a version jump. Detects installed versus latest versions via npm ls / npm view, then routes through breaking-change references for each jump (AI SDK v4/v5 to v6; assistant-ui 0.8.x to 0.14.x): useAssistantApi to useAui, runtime.threadList to runtime.threads, ThreadPrimitive.ViewportSlack removal, the primitives components prop to children render functions, toDataStreamResponse to toUIMessageStreamResponse, maxSteps to stopWhen: stepCountIs(n). Runs npx assistant-ui@latest upgrade, pnpm/npm add @latest, and npx tsc --noEmit to verify. For a first-time install or fresh scaffold (not an upgrade) use setup instead.
license	MIT

assistant-ui Update

Always verifies against npm ground truth and GitHub commits.

References

./references/ai-sdk-v6.md -- AI SDK v4/v5 → v6 migration (complete guide)
./references/assistant-ui.md -- assistant-ui version migrations
./references/breaking-changes.md -- Quick reference table

Phase 1: Detect Versions

Get Ground Truth

npm ls @assistant-ui/react @assistant-ui/react-ai-sdk ai @ai-sdk/react 2>/dev/null

npm view @assistant-ui/react version
npm view @assistant-ui/react-ai-sdk version
npm view ai version

Version Analysis

Current latest: @assistant-ui/react 0.14.x, @assistant-ui/react-ai-sdk 1.3.x, assistant-stream 0.3.x.

Package	Check For
`ai`	< 6.0.0 → needs AI SDK v6 migration
`@assistant-ui/react`	< 0.14.0 → primitives `components` prop replaced by children render functions; deprecated hooks/aliases removed
`@assistant-ui/react`	< 0.13.0 → `ThreadPrimitive.ViewportSlack` removed (top-anchor changes)
`@assistant-ui/react`	< 0.12.0 → unified state API (`useAui`/`useAuiState`/`useAuiEvent`/`AuiIf`)
`@assistant-ui/react`	< 0.11.0 → runtime rearchitecture
`@assistant-ui/react`	< 0.10.0 → ESM only
`@assistant-ui/react`	< 0.8.0 → UI split (shadcn registry)
`@assistant-ui/react-ai-sdk`	< 1.0.0 → needs AI SDK v6 first

Phase 2: Route to Migration

AI SDK < 6.0.0?
├─ Yes → See ./references/ai-sdk-v6.md
└─ No
   └─ assistant-ui outdated?
      ├─ Yes → See ./references/assistant-ui.md
      └─ No → Already up to date

Migration Order

AI SDK first (if < 6.0.0) - Required for @assistant-ui/react-ai-sdk >= 1.0
assistant-ui second - Apply breaking changes for version jump
Verify - Type check, build, test

Phase 3: Execute

Update Packages

pnpm add @assistant-ui/react@latest @assistant-ui/react-ai-sdk@latest ai@latest @ai-sdk/react@latest

npm install @assistant-ui/react@latest @assistant-ui/react-ai-sdk@latest ai@latest @ai-sdk/react@latest

Apply Migrations

Based on version jump, apply relevant migrations from references.

Verify

npx tsc --noEmit
pnpm build

Troubleshooting

"Peer dependency conflict"

Update all packages together
Check version compatibility in ./references/breaking-changes.md

Type errors after upgrade

Consult breaking changes reference
Check specific migration guide

Runtime errors

Verify API patterns match new version
Check for renamed/moved APIs

More from this repository

same repository

setup

FireTable/langgraph-app

Installs and configures assistant-ui in a project via the CLI, and picks the right runtime for a backend. Use for first-time install, scaffold, or config: `npx assistant-ui@latest create my-app` (templates default, minimal, cloud, cloud-clerk, langgraph, mcp), `npx assistant-ui@latest init [--yes] [--overwrite]` in an existing Next.js app, or `npx assistant-ui@latest add` registry components (markdown-text, thread-list). Also use to choose a runtime hook for a backend: useChatRuntime (AI SDK), useLangGraphRuntime, useAgUiRuntime, useA2ARuntime, useLocalRuntime (custom streaming API), or useExternalStoreRuntime (Redux/Zustand). Covers Vite/TanStack Start setup, shadcn styling, the playground --preset flag, and avoiding the deprecated @assistant-ui/styles and @assistant-ui/react-ui packages. For upgrading an existing install or post-upgrade breakage use update; for building UI from raw parts use primitives.

2026-06-204

assistant-ui

FireTable/langgraph-app

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, context hooks, primitives) and message model. Covers the `@assistant-ui/react` core plus `@assistant-ui/react-ai-sdk`, `@assistant-ui/react-langgraph`, `assistant-stream`, and `assistant-cloud`; `AssistantRuntimeProvider`; the primitives `ThreadPrimitive`, `MessagePrimitive`, `ComposerPrimitive`; the hooks `useAui`, `useAuiState`, `useAuiEvent`; and runtime selection across `useChatRuntime`, `useExternalStoreRuntime`, `useLangGraphRuntime`, `useLocalRuntime`. For a specific area route to a focused sibling instead: setup, runtime, primitives, tools, streaming, cloud, thread-list, or update. Not for hands-on tasks already owned by those siblings.

2026-06-194

cloud

FireTable/langgraph-app

Sets up assistant-ui Cloud persistence and authorization with the assistant-cloud package and AssistantCloud client. Use when adding cross-session thread/message persistence, multi-device chat history, file uploads, or auth to an assistant-ui app: passing the cloud option to useChatRuntime (with AssistantChatTransport from @assistant-ui/react-ai-sdk), configuring AssistantCloud with authToken (JWT), apiKey plus userId/workspaceId (server-side), or anonymous mode, and wiring auth providers like NextAuth, Clerk, or Firebase. Covers cloud.threads.list/get/create/update/delete, cloud.threads.messages(threadId), cloud.files.generatePresignedUploadUrl, the aui/v0 message format, custom adapters (CloudMessagePersistence, createFormattedPersistence, ThreadHistoryAdapter, RemoteThreadListAdapter), auto title generation, external_id/metadata mapping, and env vars NEXT_PUBLIC_ASSISTANT_BASE_URL and ASSISTANT_API_KEY. For the thread-list sidebar UI itself use thread-list.

2026-06-194

copilots

FireTable/langgraph-app

Grounding an assistant in your app with assistant-ui copilots (@assistant-ui/react). Use when steering assistant behavior with useAssistantInstructions, feeding lazy app-state context via useAssistantContext({ getContext }), exposing rendered components with makeAssistantVisible(Component, { clickable, editable }), building two-way interactable state with useAssistantInteractable and Interactables(), or registering instructions and tools imperatively through useAui().modelContext().register({ getModelContext }). Reach for this when the assistant should read the current page, click or edit UI, or read and update component state through auto-generated update_{name} tools. For LLM tools and tool-call UI use the tools skill; for runtime and thread state use the runtime skill.

2026-06-194

markdown

FireTable/langgraph-app

Render and customize assistant message text as markdown in assistant-ui. Use when displaying model output as formatted markdown with MarkdownTextPrimitive from @assistant-ui/react-markdown wired into the MessagePrimitive.Parts text branch, configuring remarkPlugins (remark-gfm, remark-math) and rehypePlugins (rehype-katex), or memoizing components with unstable_memoizeMarkdownComponents. Covers code-block syntax highlighting via react-shiki or react-syntax-highlighter registered as SyntaxHighlighter in components/componentsByLanguage, LaTeX math rendering with KaTeX, Mermaid diagrams gated on stream completion, custom math delimiters via preprocess, and the StreamdownTextPrimitive alternative from @assistant-ui/react-streamdown with built-in Shiki/KaTeX/Mermaid and block streaming. For general chat UI composition route to primitives.

2026-06-194

observability

FireTable/langgraph-app

Adds tracing, telemetry, and observability to an assistant-ui backend. Use when wiring an AI SDK route handler (streamText/generateText, toUIMessageStreamResponse) to a tracing backend: Langfuse via OpenTelemetry (LangfuseSpanProcessor and NodeSDK in instrumentation.ts, experimental_telemetry isEnabled, propagateAttributes with traceName/userId/sessionId, langfuseSpanProcessor.forceFlush on serverless), LangSmith via wrapAISDK(ai) from langsmith/experimental/vercel (createLangSmithProviderOptions, awaitPendingTraceBatches), or Helicone via createOpenAI baseURL https://oai.helicone.ai/v1 with the Helicone-Auth header. Also covers rendering collected spans with @assistant-ui/react-o11y headless primitives (SpanResource, SpanPrimitive Root/Indent/CollapseToggle/StatusIndicator/TypeBadge/Name/Children, SpanByIndexProvider, SpanData/SpanState) mounted via useAui/AuiProvider from @assistant-ui/store. Use for missing or empty traces, edge vs nodejs runtime telemetry, serverless flush issues, or trace waterfalls.

2026-06-194

name	update
description	Upgrades an existing assistant-ui project to current releases and executes the resulting migrations. Use when the user wants to update, upgrade, bump, or migrate @assistant-ui/react, @assistant-ui/react-ai-sdk, ai, or @ai-sdk/react, hits peer-dependency conflicts or post-upgrade type errors, or must apply renamed APIs after a version jump. Detects installed versus latest versions via npm ls / npm view, then routes through breaking-change references for each jump (AI SDK v4/v5 to v6; assistant-ui 0.8.x to 0.14.x): useAssistantApi to useAui, runtime.threadList to runtime.threads, ThreadPrimitive.ViewportSlack removal, the primitives components prop to children render functions, toDataStreamResponse to toUIMessageStreamResponse, maxSteps to stopWhen: stepCountIs(n). Runs npx assistant-ui@latest upgrade, pnpm/npm add @latest, and npx tsc --noEmit to verify. For a first-time install or fresh scaffold (not an upgrade) use setup instead.
license	MIT

assistant-ui Update

Always verifies against npm ground truth and GitHub commits.

References

./references/ai-sdk-v6.md -- AI SDK v4/v5 → v6 migration (complete guide)
./references/assistant-ui.md -- assistant-ui version migrations
./references/breaking-changes.md -- Quick reference table

Phase 1: Detect Versions

Get Ground Truth

npm ls @assistant-ui/react @assistant-ui/react-ai-sdk ai @ai-sdk/react 2>/dev/null

npm view @assistant-ui/react version
npm view @assistant-ui/react-ai-sdk version
npm view ai version

Version Analysis

Current latest: @assistant-ui/react 0.14.x, @assistant-ui/react-ai-sdk 1.3.x, assistant-stream 0.3.x.

Package	Check For
`ai`	< 6.0.0 → needs AI SDK v6 migration
`@assistant-ui/react`	< 0.14.0 → primitives `components` prop replaced by children render functions; deprecated hooks/aliases removed
`@assistant-ui/react`	< 0.13.0 → `ThreadPrimitive.ViewportSlack` removed (top-anchor changes)
`@assistant-ui/react`	< 0.12.0 → unified state API (`useAui`/`useAuiState`/`useAuiEvent`/`AuiIf`)
`@assistant-ui/react`	< 0.11.0 → runtime rearchitecture
`@assistant-ui/react`	< 0.10.0 → ESM only
`@assistant-ui/react`	< 0.8.0 → UI split (shadcn registry)
`@assistant-ui/react-ai-sdk`	< 1.0.0 → needs AI SDK v6 first

Phase 2: Route to Migration

AI SDK < 6.0.0?
├─ Yes → See ./references/ai-sdk-v6.md
└─ No
   └─ assistant-ui outdated?
      ├─ Yes → See ./references/assistant-ui.md
      └─ No → Already up to date

Migration Order

AI SDK first (if < 6.0.0) - Required for @assistant-ui/react-ai-sdk >= 1.0
assistant-ui second - Apply breaking changes for version jump
Verify - Type check, build, test

Phase 3: Execute

Update Packages

pnpm add @assistant-ui/react@latest @assistant-ui/react-ai-sdk@latest ai@latest @ai-sdk/react@latest

npm install @assistant-ui/react@latest @assistant-ui/react-ai-sdk@latest ai@latest @ai-sdk/react@latest

Apply Migrations

Based on version jump, apply relevant migrations from references.

Verify

npx tsc --noEmit
pnpm build

Troubleshooting

"Peer dependency conflict"

Update all packages together
Check version compatibility in ./references/breaking-changes.md

Type errors after upgrade

Consult breaking changes reference
Check specific migration guide

Runtime errors

Verify API patterns match new version
Check for renamed/moved APIs