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hirosichen
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vba-migrator

Migrate Excel VBA projects into modern architectures with staged plans.

Updated May 19, 2026
Search Tags:#typescript#python#migration#excel#vba#userforms#olevba
One-click install
npx skills add https://github.com/hirosichen/claude-skill-vba-migrator --skill vba-migrator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: vba-migrator
Source: https://github.com/hirosichen/claude-skill-vba-migrator/tree/main
Command: npx skills add https://github.com/hirosichen/claude-skill-vba-migrator --skill vba-migrator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires oletools, openpyxl, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill turns legacy Excel VBA projects into maintainable modern code, reducing the risk, time, and manual effort involved in rewriting macros, workbook logic, and UserForms by hand.

Core Features & Use Cases

  • End-to-End VBA Migration: Extracts VBA from workbooks and module files, analyzes the codebase, and guides a staged migration into modern targets.
  • Risk-Aware Transformation: Flags dangerous patterns such as silent error handling, COM automation, Excel-specific APIs, and other hard-to-port constructs for human review.
  • Modern Target Support: Helps convert VBA into React plus TypeScript, React plus Node or Python backends, pure Python, or language-neutral pseudocode.
  • Use Case: A team inheriting a large macro-driven financial workbook can use this Skill to inventory the code, plan the rewrite, preserve critical behavior, and validate the migration before decommissioning Excel-dependent logic.

Quick Start

Ask the skill to migrate your Excel VBA workbook to the target architecture you want, and it will extract the macros, assess the risks, and produce a staged migration plan.

Frequently Asked Questions about vba-migrator

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

FAQPage Schema
How do I migrate Excel VBA macros to a modern application architecture?▼

VBA migration extracts macro logic from .xlsm, .xls, .bas, and .cls files using olevba, performs static risk analysis on dangerous patterns, and applies pattern-driven transformation to generate clean code for modern architectures.

What is the best way to convert Excel UserForms without manual rewriting?▼

Converting UserForms without manual rewriting involves extracting .frm module files, analyzing Excel API dependencies, and using pattern-driven transformation to map UI logic into modern frontend targets like React.

Can I convert VBA code to Python or TypeScript automatically?▼

Yes, VBA can be converted to Python or TypeScript through olevba extraction and pattern-driven transformation that maps Excel APIs and business logic into pure Python or React plus TypeScript targets.

Does this VBA migration approach handle dangerous macro patterns like silent error handling?▼

Risk-aware transformation flags dangerous VBA constructs like silent error handling, COM automation, and Excel-specific APIs, routing them to a review-queue gate for human validation before migration proceeds.

What are the limitations of migrating macro-heavy Excel workbooks to web applications?▼

Limitations arise from hard-to-port constructs like COM automation and Excel-specific APIs that require human review, meaning macro-heavy workbook migration needs validation and rollback planning rather than fully automatic conversion.

How do I extract VBA code from .xlsm files for analysis and migration?▼

Extract VBA from .xlsm files using olevba-based extraction to inventory macros and UserForms, then run static risk analysis to plan a staged migration into modern application targets.

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