office-tellslisted
Mandatory anti-AI quality gate for every PowerPoint (.pptx), Word (.docx), and Excel (.xlsx) file Claude creates or edits. Strips the visual, structural, and metadata tells that mark a document as machine-generated: pipe separators, em dashes, accent lines under slide titles, beige/default-blue/default-grey color choices, zebra table banding, excessive conditional formatting, Sheet1 names, library-default file metadata, hardcoded totals, and boilerplate section names. Use this skill BEFORE writing any code or content whenever the user asks to build, create, generate, make, write, edit, update, or produce a deck, slides, presentation, slideshow, pitch deck, PowerPoint, Word doc, document, report, memo, letter, brief, one-pager, template, spreadsheet, Excel file, workbook, financial model, tracker, budget, dashboard, or any .pptx/.docx/.xlsx file. Triggers even when the user does NOT mention "human," "natural," or "anti-AI" wording, the file type alone is the trigger. This is a behavioral overlay on the pptx, d
Anlo-Ventures/skills-and-agents-library · ★ 1 · Data & Documents · score 70
Install: claude install-skill Anlo-Ventures/skills-and-agents-library
# Office Tells, Anti-AI Quality Gate
This skill is a **behavioral overlay** on top of the pptx, docx, and xlsx skills.
It does not replace them, it constrains them.
Read the relevant format skill first for technical instructions, then apply every rule in this file before writing a single line of code or content.
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## Universal Rules (All Three Formats)
### No Vertical Pipe Separators
- **Never use `|` as a visual separator** in headers, footers, subtitles, or body text (e.g., `Q1 Results | Finance | Confidential`)
- This is one of the single strongest AI giveaways across all document types
- Use commas, line breaks, or separate text boxes/cells instead
- Exception: pipe characters inside code blocks or formula syntax are fine
### No Em Dashes
- **Never use em dashes (`—`)** anywhere in document content: body text, headers, callouts, table cells, slide text, or labels
- Em dashes are one of the most reliable signals that an AI wrote the content
- Use a comma, a colon, parentheses, or a new sentence instead
- Exception: em dashes that appear in data the user provided (e.g., a quoted passage or imported text) can stay as-is
### Document Metadata
- File properties are the most reliable machine tell that survives every visual fix. Anyone who opens File > Properties sees them. Set them on every file.
- **Never leave the library default or a blank author.** python-pptx, python-docx, and openpyxl stamp empty or library-named authors by default.
- Set a plausible author: the u