xlsx skillA

This file is byte-identical to the first copy the registry indexed, one of 4 copies on public GitHub. Same content hash, same audit grade.

xlsx is agent-read markdown (skill) from j-star-films-studios/vibecode-protocol-suite: Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like "the xlsx in my.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# Requirements for Outputs

## All Excel files

### Professional Font
- Use a consistent, professional font (e.g., Arial, Times New Roman) for all deliverables unless otherwise instructed by the user

### Zero Formula Errors
- Every Excel model MUST be delivered with ZERO formula errors (#REF!, #DIV/0!, #VALUE!, #N/A, #NAME?)

### Preserve Existing Templates (when updating templates)
- Study and EXACTLY match existing format, style, and conventions when modifying files
- Never impose standardized formatting on files with established patterns
- Existing template conventions ALWAYS override these guidelines

## Financial models

### Color Coding Standards
Unless otherwise stated by the user or existing template

#### Industry-Standard Color Conventions
- **Blue text (RGB: 0,0,255)**: Hardcoded inputs, and numbers users will change for scenarios
- **Black text (RGB: 0,0,0)**: ALL formulas and calculations
- **Green text (RGB: 0,128,0)**: Links pulling from other worksheets within same workbook
- **Red text (RGB: 255,0,0)**: External links to other files
- **Yellow background (RGB: 255,255,0)**: Key assumptions needing attention or cells that need to be updated
…

Read the whole file at its exact version.

How to install

mdr add j-star-films-studios/vibecode-protocol-suite/xlsx@git:20260820.56c099a

mdr add j-star-films-studios/vibecode-protocol-suite/xlsx@sha256:dd316db7785a6be1

[![mdr](https://markdownregistry.com/badge/art_p3gogpq6ol4z67h4.svg)](https://markdownregistry.com/a/art_p3gogpq6ol4z67h4)

Versions

Audit of the latest version

Source

API

GET https://markdownregistry.com/api/v1/artifacts/art_p3gogpq6ol4z67h4
GET https://markdownregistry.com/api/v1/resolve?ref=j-star-films-studios/vibecode-protocol-suite/xlsx
GET https://markdownregistry.com/api/v1/blob/dd316db7785a6be12966c2a2d848931fbf5f518b3cdb0a66fa62ee835ead1cfc

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