Mask2ai — AI skill for Claude Code
PII redaction for ChatGPT, claude.ai and Claude Code.
How to install Mask2ai
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open serkankorkut/mask2ai and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Mask2ai does
PII redaction for ChatGPT, claude.ai and Claude Code. Masks names, emails, phone numbers, cards, IBANs and IDs before they leave your machine and restores them on screen. Chrome extension and Claude Code plugin, no server.
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README
mask2ai
[](https://github.com/serkankorkut/mask2ai/releases/latest) [](https://github.com/serkankorkut/mask2ai/releases) [](https://github.com/serkankorkut/mask2ai/actions/workflows/test.yml) [](LICENSE) [](https://github.com/serkankorkut/mask2ai/stargazers)
Protects your privacy when you use AI. mask2ai keeps personal data on your machine when you work with an AI assistant. It detects names, contact details, identity numbers, payment details and addresses in what you send, replaces them with placeholders before anything leaves your device, and shows you the real values back.
Website and docs: [mask2ai.com](https://mask2ai.com)
Two integrations share one detection core:
| Environment | Integration | Verified by |
|---|---|---|
| Claude Code CLI | plugin, six hooks, PDF to text, image redaction on macOS | node test.js, node demo/prove.js |
| claude.ai in Chrome | extension, chat text and Office or text uploads | node demo/verify-web.js |
| ChatGPT web (chatgpt.com) in Chrome | extension, chat text | node demo/verify-web.js |
Demos
Claude Code

The real Claude Code terminal with the plugin loaded. The first prompt is blocked and a masked copy is offered. The masked prompt goes through, Claude reads a CSV, the plugin masks 13
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