> ## Documentation Index
> Fetch the complete documentation index at: https://docs.usefused.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Serve a project

> Launch the neutral server and development playground.

Compile and start the standalone development server:

```bash theme={null}
harnest serve support-agent
```

| URL                             | Use it for                       |
| ------------------------------- | -------------------------------- |
| `http://127.0.0.1:8080/`        | Test the agent in the playground |
| `http://127.0.0.1:8080/docs`    | Inspect the generated API        |
| `http://127.0.0.1:8080/healthz` | Check process health             |

<CardGroup cols={2}>
  <Card title="Open the playground" icon="display" href="http://127.0.0.1:8080/">
    Test managed or advanced ADK and LangGraph agents in the same UI.
  </Card>

  <Card title="Inspect the API" icon="brackets-curly" href="http://127.0.0.1:8080/docs">
    Explore HTTP, SSE, sessions, approvals, and client tools.
  </Card>
</CardGroup>

<Note>
  Set the bind, limits, timeout, concurrency, and playground in `server.yaml`.
</Note>

See [Serving agents](/harnest/runtime/serving) for the HTTP, SSE, WebSocket, approval, authentication, storage, and production boundaries.