# Spreadsheet Operations

> Spreadsheet Operations Capability

- Skill: `lensetek/spreadsheet-operations` (Agent Skill)
- Install (CLI): `npx skillmds@latest add lensetek/spreadsheet-operations`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lensetek/spreadsheet-operations/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: lensetek (https://skillmd.com/u/lensetek)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/lensetek/spreadsheet-operations

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# Spreadsheet Operations Capability

## When to Use

Use this capability for CSV/XLSX/Sheets analysis, cleaning, formulas, pivot-style summaries, charts, tables, validation, and marketing performance analysis.

## Preferred Implementation

- Use spreadsheet libraries, formulas, CSV parsers, or Google Sheets connector when available.
- Use scripts for repeatable transformations.
- Use Computer Use only when spreadsheet UI interaction is unavoidable.

## Inputs

- Spreadsheet path or sheet reference.
- Sheet/range.
- Metrics or columns.
- Desired output.
- Data sensitivity rules.

## Outputs

- Cleaned Data.
- Analysis Summary.
- Formula or Chart Plan.
- KPI Table.
- Data Quality Notes.

## Security and Ethics

- Do not expose customer lists, emails, phone numbers, revenue records, or private CRM exports.
- Use anonymized summaries when possible.
- Do not overwrite source workbooks without approval.