3 skills
Enrichment That Says Unknown Instead of Guessing
Makes extraction steps return NOT_FOUND plus the source sentence, so a filled column is never quietly invented.
One Step, One Job, Workflows You Can Debug
Splits a workflow into steps with structured outputs and checks between them, and moves the deterministic work into code.
Prove It on Ten Rows Before Ten Thousand
A deliberate ten-row sample — empty, longest, foreign, known-answer — that must be read in full before any bulk run starts.