Observed arrival · 2026-10-16
A fake manufacturer with 81 million rows
Ostrander Pump & Valve is a fictional company's synthetic database, built as a testbed for comparing ways to give AI agents access to business data.
- For
- Builders evaluating AI agents on messy company databases
- Worth noticing
- The database includes 121 leftover tables, 200 catalogued traps, and a separate answer key hidden from agents.
Field notes
The fictional firm's recent operations are simulated day by day through October 2026, with thinner history further back. Its PostgreSQL estate combines records from five generations of systems, including six-character AS/400 names, dates stored as CYYMMDD integers, duplicated customer IDs, and gaps in sync jobs. Six business-agent roles take operational and analytical tasks; a separate answer key is hidden from agents so their answers can be scored.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue