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---
title: ProxiedCopilotRuntimeAgent
description: "ProxiedCopilotRuntimeAgent API Reference"
---
`ProxiedCopilotRuntimeAgent` is a specialized HTTP agent that acts as a proxy between your client application and remote
agents hosted on the `CopilotRuntime` server. It extends the base `HttpAgent` class to provide seamless communication
with runtime-hosted agents.
## Architecture Overview
```mermaid
graph LR
subgraph Client["Client Application"]
Core[CopilotKitCore]
PRA1[ProxiedCopilotRuntimeAgent<br/>customer-support]
PRA2[ProxiedCopilotRuntimeAgent<br/>code-assistant]
PRA3[ProxiedCopilotRuntimeAgent<br/>data-analyst]
Core --> PRA1
Core --> PRA2
Core --> PRA3
end
subgraph Server["CopilotRuntime Server"]
Runtime[Runtime API]
Agent1[Agent: customer-support]
Agent2[Agent: code-assistant]
Agent3[Agent: data-analyst]
Runtime --> Agent1
Runtime --> Agent2
Runtime --> Agent3
end
PRA1 -.-> Runtime
PRA2 -.-> Runtime
PRA3 -.-> Runtime
```
## What is ProxiedCopilotRuntimeAgent?
When `CopilotKitCore` connects to a `CopilotRuntime` server, it discovers available remote agents. For each remote
agent, it creates a `ProxiedCopilotRuntimeAgent` instance that handles all communication with that specific agent
through the runtime's API endpoints.
Key characteristics:
- **Remote Agent Communication**: Handles communication with the remote agent through the runtime's API endpoints
- **Header and Property Forwarding**: Inherits and forwards authentication headers and properties from `CopilotKitCore`
- **Connection and History Management**: Handles loading history and reconnecting to existing live agent sessions
## How does it work?
`CopilotKitCore` automatically creates `ProxiedCopilotRuntimeAgent` instances during runtime discovery:
1. `CopilotKitCore` fetches `/info` from the runtime
2. The runtime responds with available agents
3. For each agent, `CopilotKitCore` creates a `ProxiedCopilotRuntimeAgent`
4. These agents are merged with any local agents
5. The agents become available through `copilotKit.getAgent()`
## Creating a ProxiedCopilotRuntimeAgent
<Note>
In typical usage, you don't create `ProxiedCopilotRuntimeAgent` instances
directly. `CopilotKitCore` automatically creates them when discovering agents
from the runtime.
</Note>
```typescript
import { ProxiedCopilotRuntimeAgent } from "@copilotkit/core";
const agent = new ProxiedCopilotRuntimeAgent({
runtimeUrl: "https://your-runtime.example.com",
agentId: "my-agent",
headers: {
Authorization: "Bearer your-token",
},
});
```