@assistant-ui/react-a2a#

A2A (Agent-to-Agent) v1.0 protocol adapter for assistant-ui.

Installation#

npm install @assistant-ui/react @assistant-ui/react-a2a

Quick Start#

import { AssistantRuntimeProvider, Thread } from "@assistant-ui/react";
import { useA2ARuntime } from "@assistant-ui/react-a2a";

function App() {
  const runtime = useA2ARuntime({
    baseUrl: "http://localhost:9999",
  });

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

Documentation#

Full documentation is available at assistant-ui.com/docs/runtimes/a2a.

Features#

• Full A2A v1.0 protocol support
• Built-in HTTP client with SSE streaming
• All 9 task states (including input_required, auth_required)
• Artifact streaming with append/lastChunk support
• Agent card discovery
• Multi-tenancy
• Structured error handling (google.rpc.Status)
• Push notification config CRUD
• Extension negotiation
• Streaming/non-streaming auto-fallback

License#

MIT