This skill covers recovering missing values (typically marked with "???") in Excel workbooks where multiple sheets contain interrelated financial data. The core challenge is identifying the mathematical relationships between sheets and using known values to back-compute unknowns. This pattern…
$npx -y skills add etayang10th/spark-skills --skill xlsx-recover-dataInstalls into the current project.
Run `npx skills use "https://github.com/etayang10th/spark-skills" --skill "etayang10th/spark-skills/xlsx-recover-data"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/etayang10th/spark-skills" that are relevant to the current task. Run `npx skills add "https://github.com/etayang10th/spark-skills"` and select the relevant skills, then follow their instructions.