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audit-xls

Audit spreadsheet formulas and data for errors across ranges, sheets, or workbooks.

31|4|Updated Jun 13, 2026
Search Tags:#financial model#model integrity#spreadsheet audit#DCF validation#formula error#balance sheet check#LBO audit
One-click install
npx skills add https://github.com/r9412460971-cloud/OPC-skill --skill audit-xls-r9412460971-cloud
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: audit-xls
Source: https://github.com/r9412460971-cloud/OPC-skill/tree/main/skills/audit-xls
Command: npx skills add https://github.com/r9412460971-cloud/OPC-skill --skill audit-xls-r9412460971-cloud

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates the high risk of silent formula errors, data mistakes, and integrity failures in spreadsheets and financial models that can lead to incorrect investment decisions, failed audits, or defective client deliverables.

Core Features & Use Cases

  • Multi-scope formula auditing: Detect formula errors, hardcoded values, inconsistent calculations, circular references, and unit mismatches across a selected range, single sheet, or entire workbook.
  • Full financial model integrity checks: For DCF, LBO, 3-statement, merger, and comparable company models, verify balance sheet balancing, cash tie-outs, income statement logic, and model-specific common bugs.
  • Use case: An investment banker preparing a client merger model can run a full model audit to catch purchase price allocation errors or accretion/dilution miscalculations before submitting the pitch deck.

Quick Start

Use the audit-xls skill to run a full integrity audit on the attached 3-statement financial model and list all critical issues found.

Frequently Asked Questions about audit-xls

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

FAQPage Schema
How do I audit a financial model for formula errors before delivery?▼

Auditing a financial model for formula errors involves checking selected ranges, sheets, or entire workbooks for hardcoded values, inconsistent calculations, and circular references to ensure model integrity before client or investment committee delivery.

What is the best way to check balance sheet balancing and cash tie-outs in a 3-statement model?▼

Checking balance sheet balancing and cash tie-outs in a 3-statement model requires running full integrity checks to detect silent bugs, income statement logic flaws, and model-specific miscalculations across the entire workbook.

Can I run a spreadsheet audit on a specific range or does it scan the whole workbook?▼

Spreadsheet audits can be run across selected ranges, individual sheets, or entire workbooks, detecting formula errors, hardcoded overrides, unit mismatches, and calculation inconsistencies scoped to your chosen area.

How do I catch hardcoded values and silent bugs in an LBO or DCF model?▼

Catching hardcoded values and silent bugs in an LBO or DCF model requires applying model-specific integrity checks that detect formula errors, purchase price allocation mistakes, and cash tie-out failures prior to submission.

Why does my merger model have accretion dilution miscalculations and how do I fix them?▼

Accretion dilution miscalculations in a merger model stem from silent formula errors and inconsistent calculations; running a full model audit detects these logic flaws and data mistakes before final pitch deck delivery.

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