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hidden-text-detector

Detects hidden text and prompt injection in PDF and DOCX documents: white-on-white text, sub-legible fonts, off-page text, invisible render mode and invisible Unicode characters.

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agent-skillsai-securityclaude-skillcontract-reviewdocument-securitydocxllm-securitypdfpdf-securityprompt-injectionpythonsecurity-tools
Language
Python
License
MIT License
Size
51 KB
Created
Jul 27, 2026
Last Updated
Aug 26, 2026
Last Pushed
Jul 28, 2026

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Evaluate before installing

  1. Review the source repository, recent maintenance, and license on GitHub.
  2. Read the marketplace manifest and plugin source files before running commands.
  3. Start with the smallest required permission set and validate behavior in a safe environment.