Essentials
Spreadsheet Merger
Listed under Spreadsheets & DataSpreadsheet Cleanup
Summary
Merge, concatenate, or key-join multiple CSV/Excel files—mapping columns, normalizing keys, deduplicating, and validating row counts. Input is several sheets; output is a unified-schema result table plus a change log. Suited to the clean-and-normalize stage.
Why we picked it Why recommended
SkillPouch records why this skill was curated, stage by stage.
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T05.s2Clean & normalize
Turns multi-source sheets into a standardized table with an auditable change trail.
How to use Applicable stages
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Check the sources Evidence & sources
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Upstream source
- Upstream repository (OneWave-AI/claude-skills) ↗ Verified on 2026-10-28
Boundaries Known limitations
Fuzzy column maps need human confirmation; key-normalization rules affect dedupe outcomes. Large files are limited by memory and the pandas environment.
Identity and license
License, review date, repository path, and stable identifier.