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stryx:vba

When an Excel macro fails, or VBA code needs writing or fixing.

/stryx:vba

Inside its piece: 9 specks, one for each file on its shelf. Its eleven group-mates glow on the open book behind it. The light splits toward green, the band of Languages.

In numbers

counted 2026-10-12 in the installed set
  • 5reference files
  • 2helper scripts
  • 9files in the skill
  • 99KB on disk
  • 8chapters
  • 1agent works by this book

Use it when

in the skill’s own words

When Excel VBA or a macro fails or needs work

  • A VBA error, macro error, Run-time error, Compile error or BAGS workbook error (with stryx:debug)
    • when writing
    • fixing
    • reviewing or refactoring macros in an .xlsm
    • .xlsb or .xlam workbook
    • standard modules (.bas)
    • class modules (.cls)
    • UserForms (.frm)
    • ThisWorkbook or sheet event code
    • Ribbon XML (customUI14.xml, IRibbonControl callbacks)
    • Declare PtrSafe API calls
    • exporting and importing modules for git
  • Also when the user says
    • VBA editor
    • VBE
    • Alt+F11
    • Debug > Compile
    • Option Explicit
    • On Error GoTo
    • "Trust access to the VBA project"
    • FormBuilder
    • a module shows "????" or garbled text after import
    • a pasted class module turns red
    • macros are blocked
    • names BAGS (the owner's gas-station workbook - m### modules, GetPassword, m000_LogicalInstruction, lotto BLUE/YELLOW/SHOULD HAVE/O/S/COL L)

Not for

another skill does it
  • Editing cell values, formulas or formatting without touching macros, Google Sheets or Apps Script, reviewing non-VBA code stryx:review

Inside the book

8 chapters, by title only
  1. First: is this BAGS?
  2. House rules (every line of VBA)
  3. Writing new code
  4. Fixing a bug
  5. Reviewing VBA
  6. Handing code over
  7. Verify
  8. Quick reference: messages and their usual cause

Its helper

1 agent works by this book

Works with

the skills it names most

Claude loads it by itself when the moment comes; by hand, type the line at the top. It comes with the whole set: Installs all 94 skills, 32 agents and the brain program as one set. The skill’s own text is private source and is not shown here.