A spreadsheet-file workflow for formulas, formatting, data cleanup and checking recalculated workbook results.
Editorial review checked 2026-10-29 against this instruction snapshot. Supporting scripts and runtime behavior remain outside this editorial review.
This skill distinguishes spreadsheet editing from bulk tabular data handling and from reading calculated values. It highlights an important file-format boundary: writing a formula does not necessarily calculate and cache its result. The source therefore includes a recalculation step and guidance for inspecting both formulas and values.
Cleaning an exported table, adding calculated columns, repairing a workbook or preparing a formatted spreadsheet as the final deliverable. Provide a small example of the correct calculation and identify which sheets, charts and source values must be preserved.
A workbook may open without errors while referring to the wrong row or using an incomplete range. Recalculation through another office engine can behave differently from the recipient's Excel environment. Macro-enabled inputs and unfamiliar external links need separate inspection; this catalog has not executed those features.
Unknown; inspect source requirements and supporting scripts.
Inspect the pinned source snapshot and its supporting files first. The command selects this skill through the open-source skills CLI. Node.js and agent-specific setup may be required. Installation can download code. Catalog ingestion never executes skill instructions or install scripts.
npx skills add https://github.com/anthropics/skills/tree/ca45fc496a3436251f191354091d557da31c15b5/skills/xlsx --skill xlsxReview pinned skill folder ↗ · CLI documentation ↗
After source review, use npx skills check and npx skills update to inspect and apply upstream updates. Re-check changed instructions before running them.
Static review only. This is not a security audit or a guarantee of safety.
SKILL.md text only; scripts, dependencies and runtime behavior not audited.
Allowed tools declaration: Unknown. Runtime permissions and network behavior: Unknown.
86/100 · Metadata coverage 100% · Model 1.0
Scores summarize observable discovery signals. Popularity and repository activity apply to the whole repository. Unknown runtime safety earns no certification.
Inspect the sheet structure, implement a few representative formulas, verify their references, then apply the transformation and recalculate. Keep original data available so the result can be checked independently.
Compare sample totals with an independent calculation, inspect formula-error cells and verify number formats, charts and print layout. Review the skill's specific license terms and tool requirements before installation.
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Editorial combinations of complementary roles; review each source independently.
Validate the workbook, write an editable explanation and inspect a fixed-layout delivery copy.
Choose an embedded DataFrame or SQL workflow, then turn checked calculations into an editable report.