Thirty people are coming, but a hardcoded supply list can still plan for twenty. Link quantities and totals to one headcount input, then verify the formulas before relying on the result.
Start with our original 20-person workbook or complete example ZIP. These files are public. The full guide and Markdown copy unlock with your email for access, not newsletter consent. The fictional demo was authored with Codex and calculated in local Excel; Claude Code was not run.
Get the part you came for.
- An original 20-person formula workbook
- Official Claude Code skill setup and a bounded brief
- The actual 30-person proof and formula checks