> For a complete page index of the Captain API documentation, fetch https://docs.captain.dev/llms.txt?excludeSpec=true

# Compass Guides

Status update, Jul 2026Hosted Compass is closed to new customers.\
Self-hosted deployments stay supported.

* **Compass guide section**: overview, quickstart, multiple embedding models on one collection, upgrading models without downtime, TAMS and time-range search, and filters, recency, and boosts
* **Version freshness guidance** for Compass releases
* **Sidecar conventions**: millisecond timestamps, standard sidecar fields, bounding boxes, provenance, and instants