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CaptainPhantasy
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xlsx

Create and edit Excel spreadsheets with formulas, formatting, and data visualization.

Updated Mar 14, 2026
Search Tags:#automation#templates#formulas#spreadsheet#data-analysis#xlsx#data-visualization
One-click install
npx skills add https://github.com/CaptainPhantasy/floyd-v5 --skill xlsx-captainphantasy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/CaptainPhantasy/floyd-v5/tree/main/extensibility/skills/data/xlsx
Command: npx skills add https://github.com/CaptainPhantasy/floyd-v5 --skill xlsx-captainphantasy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Spreadsheet tasks are often repetitive and error-prone, requiring manual editing, formula maintenance, and data visualization across large datasets.

Core Features & Use Cases

  • Create new spreadsheets with formulas and structured formatting
  • Read, analyze, and visualize data inside Excel-compatible files (.xlsx, .xlsm, .csv, .tsv)
  • Preserve existing templates and formulas when updating workbooks

Quick Start

Create a new spreadsheet template for quarterly sales with revenue formulas and a summary dashboard.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel spreadsheet creation with formulas and formatting?▼

Automate Excel spreadsheet creation by generating new .xlsx or .xlsm workbooks with structured formatting, revenue formulas, and summary dashboards. This replaces manual editing and formula maintenance across large datasets, reducing repetitive errors.

Can I read and analyze data in CSV and TSV files for spreadsheet workflows?▼

Yes, you can read and analyze data within CSV and TSV workflows alongside Excel-compatible .xlsx and .xlsm files. The process extracts and evaluates datasets to support recomputation and data visualization tasks without manual intervention.

Does updating an Excel workbook preserve existing formulas and templates?▼

Updating an Excel workbook preserves existing templates and formulas when editing .xlsx or .xlsm files. The recomputation workflow maintains your original structured formatting and formula logic while appending or modifying new data.

What is the best way to visualize spreadsheet data inside Excel files?▼

Visualizing spreadsheet data inside Excel files is best handled by automating data-visualization outputs directly within .xlsx workbooks. The process reads datasets, applies formulas, and generates structured visual results for analysis.

How do I create a quarterly sales spreadsheet template with a summary dashboard?▼

Create a quarterly sales spreadsheet template by automating a new .xlsx workbook with revenue formulas, structured formatting, and a summary dashboard. This provides a ready-to-use formatted report without manual template building.

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