npm package: @noahlocal/copilotkit-react-core
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Latest version: 2.1.0-next.1

# CopilotKit - React Core

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## ✨ Why CopilotKit?

- Minutes to integrate - Get started quickly with our CLI
- Framework agnostic - Works with React, Next.js, AGUI and more
- Production-ready UI - Use customizable components or build with headless UI
- Built-in security - Prompt injection protection
- Open source - Full transparency and community-driven

<img src="https://github.com/user-attachments/assets/6cb425f8-ffcb-49d2-9bbb-87cab5995b78" alt="class-support-ecosystem" style="border-radius: 12px; border: 2px solid #d6d4fa;">

## 🧑‍💻 Real life use cases

<span>Deploy deeply-integrated AI assistants & agents that work alongside your users inside your applications.</span>

<img src="https://github.com/user-attachments/assets/3b810240-e9f8-43ae-acec-31a58095e223" alt="headless-ui" style="border-radius: 12px; border: 2px solid #d6d4fa;">

## 🖥️ Code Samples

<span>Drop in these building blocks and tailor them to your needs.</span>

<h3>Build with Headless APIs and Pre-Built Components</h3>

```ts
// Headless UI with full control
const { visibleMessages, appendMessage, setMessages, ... } = useCopilotChat();

// Pre-built components with deep customization options (CSS + pass custom sub-components)
<CopilotPopup 
  instructions={"You are assisting the user as best as you can. Answer in the best way possible given the data you have."} 
  labels={{ title: "Popup Assistant", initial: "Need any help?" }} 
/>
```

```ts
// Frontend actions + generative UI, with full streaming support
useCopilotAction({
  name: "appendToSpreadsheet",
  description: "Append rows to the current spreadsheet",
  parameters: [
    { name: "rows", type: "object[]", attributes: [{ name: "cells", type: "object[]", attributes: [{ name: "value", type: "string" }] }] }
  ],
  render: ({ status, args }) => <Spreadsheet data={canonicalSpreadsheetData(args.rows)} />,
  handler: ({ rows }) => setSpreadsheet({ ...spreadsheet, rows: [...spreadsheet.rows, ...canonicalSpreadsheetData(rows)] }),
});
```

<h3>Integrate In-App CoAgents with LangGraph</h3>

```ts
// Share state between app and agent
const { agentState } = useCoAgent({ 
  name: "basic_agent", 
  initialState: { input: "NYC" } 
});

// agentic generative UI
useCoAgentStateRender({
  name: "basic_agent",
  render: ({ state }) => <WeatherDisplay {...state.final_response} />,
});

// Human in the Loop (Approval)
useCopilotAction({
  name: "email_tool",
  parameters: [
    {
      name: "email_draft",
      type: "string",
      description: "The email content",
      required: true,
    },
  ],
  renderAndWaitForResponse: ({ args, status, respond }) => {
    return (
      <EmailConfirmation
        emailContent={args.email_draft || ""}
        isExecuting={status === "executing"}
        onCancel={() => respond?.({ approved: false })}
        onSend={() =>
          respond?.({
            approved: true,
            metadata: { sentAt: new Date().toISOString() },
          })
        }
      />
    );
  },
});
```

```ts
// intermediate agent state streaming (supports both LangGraph.js + LangGraph python)
const modifiedConfig = copilotKitCustomizeConfig(config, {
  emitIntermediateState: [{ 
    stateKey: "outline", 
    tool: "set_outline", 
    toolArgument: "outline" 
  }],
});
const response = await ChatOpenAI({ model: "gpt-4o" }).invoke(messages, modifiedConfig);
```
## 🏆 Featured Examples

<p align="center">
  <a href="https://www.copilotkit.ai/examples/form-filling-copilot">
    <img src="https://github.com/user-attachments/assets/874da84a-67ff-47fa-a6b4-cbc3c65eb704" width="300" style="border-radius: 16px;" />
  </a>
  <a href="https://www.copilotkit.ai/examples/state-machine-copilot">
    <img src="https://github.com/user-attachments/assets/0b5e45b3-2704-4678-82dc-2f3e1c58e2dd" width="300" style="border-radius: 16px;" />
  </a>
  <a href="https://www.copilotkit.ai/examples/chat-with-your-data">
    <img src="https://github.com/user-attachments/assets/0fed66be-a4c2-4093-8eab-75c0b27a62f6" width="300" style="border-radius: 16px;" />
  </a>
</p>

## Documentation

To get started with CopilotKit, please check out the [documentation](https://docs.copilotkit.ai).