Test PDF outputs by converting per-page to images (`pdftocairo` / pdf2image / Poppler) and running pixel-diff (pixelmatch / Resemble.js / Pillow `ImageChops`) against approved baselines. Per-page-range targeting, threshold tuning, font-substitution warnings, byte-stable PDF metadata stripping (CreationDate, /ID). Use when a product generates invoices, contracts, or regulatory filings whose layout must not shift, and a PDF template, font pack, or generation library is about to change.
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Security
1 medium severity finding. This skill can be installed but you should review these findings before use.
The skill prompts the agent to compromise the security or integrity of the user’s machine by modifying system-level services or configurations, such as obtaining elevated privileges, altering startup scripts, or changing system-wide settings.
The skill explicitly instructs installing system packages (apt-get install poppler-utils / brew install poppler), which modifies machine state and typically requires elevated privileges, so it encourages actions that can change the host system.