Overview

Self-hosted enterprise search and Q&A for internal documents, running on Postgres.

EigenSearch is self-hosted search and Q&A over your internal documents. It indexes content into Postgres, retrieves with hybrid lexical + vector search, and answers questions from cited passages. Document-level permissions are enforced on every query.

What it does

  • Hybrid retrieval: lexical (keyword) and vector search, fused with RRF.
  • Grounded answers: every claim links to a cited passage. No source, no claim.
  • Document-level security: source permissions synced and applied at query time.
  • Connectors: SharePoint, Confluence, and Jira.
  • One datastore: ingestion, indexes, and serving run on Postgres. No separate vector DB.

Next steps