> For the complete documentation index, see [llms.txt](https://connectyai.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://connectyai.gitbook.io/documentation/usage-guides/context-engine.md).

# Context engine

- [Context Graph](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/context-graph.md)
- [Overview](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/overview.md)
- [Catalog](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/catalog.md)
- [Metric Verse](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/metric-verse.md)
- [Day Zero Semantic Layer](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/day-zero-semantic-layer.md): AI generated semantic layer on day zero, right after data source is connected - building the foundation of automated and trusted data governance. No manual modeling or Yaml/Json upload required.
- [Data Quality](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/data-quality.md): Connecty AI gives you data quality at every step of the pipeline with very granular control, so AI and users always see the most reliable input and output.
- [Questions History](https://connectyai.gitbook.io/documentation/usage-guides/context-engine/questions-history.md): Track, filter, and explain every question and its metadata with full history details