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Spreadsheets

Create, edit, analyze, and visualize spreadsheet files with formulas and charts.

1|Updated Apr 11, 2026
Search Tags:#charts#data analysis#formulas#excel#xlsx#csv#spreadsheets
One-click install
npx skills add https://github.com/yige666s/claude-codex --skill spreadsheets-yige666s
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Spreadsheets
Source: https://github.com/yige666s/claude-codex/tree/main/.claude/skills/spreadsheets
Command: npx skills add https://github.com/yige666s/claude-codex --skill spreadsheets-yige666s

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Manually creating, editing, and formatting spreadsheet files is time-consuming and error-prone, especially when working with formulas, charts, and structured tabular data. This Skill automates these tasks to deliver accurate, professional spreadsheet outputs quickly.

Core Features & Use Cases

  • Full spreadsheet lifecycle support: Create, edit, analyze, and visualize .xlsx, .xls, .csv, and .tsv files with formula-driven calculations, professional formatting, tables, and charts.
  • Domain-specific guidance: Includes tailored rules for finance/FP&A, healthcare, marketing, and scientific research use cases to meet industry standards.
  • Use case example: Build a sales forecast workbook with revenue formulas, conditional formatting for variance, and a trend chart, or clean and analyze a CSV dataset of customer feedback to generate summary metrics.

Quick Start

Use the Spreadsheets skill to build a formatted sales forecast workbook with calculated revenue metrics, a line chart showing monthly trends, and exported .xlsx output.

Frequently Asked Questions about Spreadsheets

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate Excel formula creation and chart generation in xlsx files?▼

Automating Excel formula creation and chart generation in xlsx files is done by applying formula-driven calculations, structured data formatting, and chart rendering directly to spreadsheet outputs. This process supports typed cell values and visual verification of the final workbook.

Can I clean and analyze a CSV dataset to generate summary metrics automatically?▼

Yes, you can clean and analyze a CSV dataset to generate summary metrics automatically. The task supports analyzing tabular data formats like .csv and .tsv to produce structured data formatting and calculated metrics for business or research workflows.

Does this approach support conditional formatting and table creation for financial forecasts?▼

Yes, this approach supports conditional formatting and table creation for financial forecasts. It includes tailored rules for finance and FP&A use cases, allowing you to build workbooks with revenue formulas, variance formatting, and trend charts.

What is the best way to edit existing .xls and .xlsx spreadsheets without manual formatting errors?▼

The best way to edit existing .xls and .xlsx spreadsheets without manual formatting errors is to automate the editing process. This ensures accurate cell value typing, Excel formula authoring, and professional formatting while eliminating time-consuming manual adjustments.

Are there limitations when applying Excel formulas to very large CSV or TSV datasets?▼

While Excel formulas and chart rendering are fully supported for tabular data, applying them to very large CSV or TSV datasets may require visual verification of spreadsheet outputs to ensure performance constraints and formatting accuracy are met.

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