# DEFAULT_LOOP_ENGINE

**Kind:** Constant

**Source:** [`atloria-monorepo/libs/agent-core/src/runtime/runtime-config.ts`](https://github.com/sherkety/atloria/blob/main/atloria-monorepo/libs/agent-core/src/runtime/runtime-config.ts#L72)

Default loop engine. Set to 'live-swe' to use the Live-SWE-agent loop
(79% SWE-bench) by default, or 'openai-sdk' for the SDK-based loop.

Can be overridden per-call via RuntimeConfig.loop.engine or via
ATLORIA_LOOP_ENGINE environment variable.

## Definition

```ts
LoopConfig['engine']
```