cloud

Included with Lifetime

$97 forever

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.

Design

What this skill does


# assistant-ui Cloud

**Always consult [assistant-ui.com/llms.txt](https://www.assistant-ui.com/llms.txt) for the latest API.**

Cloud persistence for threads, messages, and files.

## References

- [./references/persistence.md](./references/persistence.md) -- Thread and message persistence
- [./references/authorization.md](./references/authorization.md) -- Authentication patterns
- [./references/custom-persistence.md](./references/custom-persistence.md) -- Self-hosted message persistence
- [./references/auth-integrations.md](./references/auth-integrations.md) -- better-auth and Clerk integrations

## Installation

```bash
npm install assistant-cloud
```

## Quick Start

```tsx
import { AssistantCloud } from "assistant-cloud";
import { useChatRuntime, AssistantChatTransport } from "@assistant-ui/react-ai-sdk";
import { AssistantRuntimeProvider } from "@assistant-ui/react";
import { Thread } from "@/components/assistant-ui/thread";
import { ThreadList } from "@/components/assistant-ui/thread-list";

const cloud = new AssistantCloud({
  baseUrl: process.env.NEXT_PUBLIC_ASSISTANT_BASE_URL,
  authToken: async () => getAuthToken(),
});

function Chat() {
  const runtime = useChatRuntime({
    transport: new AssistantChatTransport({ api: "/api/chat" }),
    cloud,
  });

  return (
    <AssistantRuntimeProvider runtime={runtime}>
      <ThreadList />
      <Thread />
    </AssistantRuntimeProvider>
  );
}
```

## Authentication Options

```tsx
// JWT Token (recommended)
const cloud = new AssistantCloud({
  baseUrl: process.env.NEXT_PUBLIC_ASSISTANT_BASE_URL,
  authToken: async () => session?.accessToken,
});

// API Key (server-side)
const cloud = new AssistantCloud({
  baseUrl: process.env.ASSISTANT_BASE_URL,
  apiKey: process.env.ASSISTANT_API_KEY,
  userId: user.id,
  workspaceId: user.workspaceId,
});

// Anonymous (public apps)
const cloud = new AssistantCloud({
  baseUrl: process.env.NEXT_PUBLIC_ASSISTANT_BASE_URL,
  anonymous: true,
});
```

## Cloud API

```tsx
const threads = await cloud.threads.list();
await cloud.threads.create({ title: "New Chat" });
await cloud.threads.update(threadId, { title: "Updated" });
await cloud.threads.delete(threadId);

const messages = await cloud.threads.messages(threadId).list();

const { signedUrl, publicUrl } = await cloud.files.generatePresignedUploadUrl({
  filename: "document.pdf",
});
await fetch(signedUrl, { method: "PUT", body: file });
```

## Environment Variables

```env
NEXT_PUBLIC_ASSISTANT_BASE_URL=https://api.assistant-ui.com
ASSISTANT_API_KEY=your-api-key  # Server-side only
```

## Common Gotchas

**Threads not persisting**
- Pass `cloud` to runtime
- Check authentication

**Auth errors**
- Verify `authToken` returns valid token
- Check `baseUrl` is correct

Files: 5

Size: 38.5 KB

Complexity: 58/100

Category: Design

Source: https://github.com/assistant-ui/skills/tree/main/assistant-ui/skills/cloud

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