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node_modules/@ag-ui/client/README.md

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+# @ag-ui/client
+
+Client SDK for connecting to **Agent-User Interaction (AG-UI) Protocol** servers.
+
+`@ag-ui/client` provides agent implementations that handle the full lifecycle of AG-UI communication: connecting to servers, processing streaming events, managing state mutations, and providing reactive subscriber hooks.
+
+## Installation
+
+```bash
+npm install @ag-ui/client
+pnpm add @ag-ui/client
+yarn add @ag-ui/client
+```
+
+## Features
+
+- 🔗 **HTTP connectivity** – `HttpAgent` for direct server connections with SSE/protobuf support
+- 🏗️ **Custom agents** – `AbstractAgent` base class for building your own transport layer
+- 📡 **Event streaming** – Full AG-UI event processing with validation and transformation
+- 🔄 **State management** – Automatic message/state tracking with reactive updates
+- 🪝 **Subscriber system** – Middleware-style hooks for logging, persistence, and custom logic
+- 🎯 **Middleware support** – Transform and filter events with function or class-based middleware
+
+## Quick example
+
+```ts
+import { HttpAgent } from "@ag-ui/client";
+
+const agent = new HttpAgent({
+  url: "https://api.example.com/agent",
+  headers: { Authorization: "Bearer token" },
+});
+
+const result = await agent.runAgent({
+  messages: [{ role: "user", content: "Hello!" }],
+});
+
+console.log(result.newMessages);
+```
+
+## Using Middleware
+
+```ts
+import { HttpAgent, FilterToolCallsMiddleware } from "@ag-ui/client";
+
+const agent = new HttpAgent({
+  url: "https://api.example.com/agent",
+});
+
+// Add middleware to transform or filter events
+agent.use(
+  // Function middleware for logging
+  (input, next) => {
+    console.log("Starting run:", input.runId);
+    return next.run(input);
+  },
+
+  // Class middleware for filtering tool calls
+  new FilterToolCallsMiddleware({
+    allowedToolCalls: ["search", "calculate"]
+  })
+);
+
+await agent.runAgent();
+```
+
+## Documentation
+
+- Concepts & architecture: [`docs/concepts`](https://docs.ag-ui.com/concepts/architecture)
+- Full API reference: [`docs/sdk/js/client`](https://docs.ag-ui.com/sdk/js/client/overview)
+
+## Contributing
+
+Bug reports and pull requests are welcome! Please read our [contributing guide](https://docs.ag-ui.com/development/contributing) first.
+
+## License
+
+MIT © 2025 AG-UI Protocol Contributors