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

# Memory & context

> Memory layers and context engineering for agents.

<Columns cols={2}>
  <Card title="Nebula AI" icon="globe" href="/library/memory-and-context/nebula">
    Memory and state layer for AI agents — hierarchical vector graph with entity resolution and contradiction detection.
  </Card>
</Columns>