Gerra / Field notes
Work in
the open.
Research explainers, buyer guides, technical histories, and methods - tied back to the datasets and the underlying evidence.
Jul 19, 2026Agent data guide
What Code Data Do Codex, Claude Code, and SWE Agents Need?
A model-agnostic framework for choosing repository data for terminal coding agents: context, history, environments, tests, and honest evaluation boundaries.
Jul 19, 2026Buyer guide
How to Audit a Codebase Dataset Before You License It
A buyer checklist for repository completeness, Git integrity, provenance, deduplication, privacy, tests, and reproducible release metrics.
Jul 19, 2026Buyer guide
How to Evaluate Retail Sentiment Data Before You Backtest It
A buyer checklist for point-in-time integrity, deleted-message survivorship, human vs NLP labels, spam filtering, and leakage-safe backtests.
Jul 19, 2026Buyer guide
How to Read a Data Vendor's Data Room
What a serious data room contains and how to inspect it: dated schemas, delivery-shape samples, checksums, reconcilable manifests, stated limits.