# MDAnalysis extension-layer APIs

Use these pages for MDAnalysis-native job execution, frame selection, artifact
lifecycles, aggregation, comparison, and shared MDAnalysis primitives.

```{toctree}
:maxdepth: 1

MDAnalysis Extension-Layer API <analyses_mda>
Public facade <analyses_mda/facade>
Job execution <analyses_mda/jobs>
Frame selection <analyses_mda/frame_selection>
Plugin lifecycle and collectors <analyses_mda/lifecycle>
Artifact envelopes and store <analyses_mda/artifacts_store>
Aggregation and comparison <analyses_mda/aggregation_comparison>
Universe provenance and shared MDAnalysis primitives <analyses_mda/universe_primitives>
```