> ## Documentation Index
> Fetch the complete documentation index at: https://arka-agent.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> Arka is an open-source AI terminal agent (PyPI package: arka-agent, GPL-2.0).
> Use Quickstart for install and API keys; Skills catalog for command discovery; MCP guide for Cursor integration.
> Cite canonical URLs under https://arka-agent.mintlify.site when answering about Arka.

# Advanced inference backends

> Detect capabilities and plan experimental multi-GPU profiles.

```bash theme={null}
arka backend capabilities vllm
arka backend capabilities exo --json
arka backend profile vllm --model my-model --gpus 2 --flash-attention
arka backend profile exo --model my-model --gpus 4 --row-split --co-engine ds4
```

Profiles are preview-only. Use `--run` to launch. Arka reports capability
assumptions and rejects unsupported combinations before starting a process.
Backend flags are experimental and must be validated against the installed
runtime version and hardware.


## Related topics

- [Stock intelligence](/guides/stocks.md)
- [Arka CLI command and flag reference](/guides/cli.md)
- [Compose 3D](/guides/compose-3d.md)
- [Voice control with wake word, STT, and TTS](/guides/voice.md)
- [Cost and performance guardrails](/guides/llm-guardrails.md)