gregmos

gregmos / PII-Shield

Public

MCP + Skill for Claude Cowork for PII anonymization

17
2
100% credibility
Found Mar 31, 2026 at 17 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Python
AI Summary

PII Shield is a privacy tool for Claude Desktop that hides personal information in documents during AI analysis and restores it in the final results.

How It Works

1
🔍 Discover PII Shield

You hear about this privacy tool that lets you safely analyze contracts and documents with your AI helper without sharing real names or details.

2
📥 Run easy setup

Download the one-click setup file and launch it to get everything ready on your computer in a few minutes.

3
⚙️ Add to your AI app

Open Claude Desktop, head to settings, and install the shield and skill files with simple clicks.

4
📁 Link your files

Start a chat, choose the special skill, and connect the folder holding your private documents.

5
💬 Review safely

Ask the AI to check your contract for risks or summaries – it hides personal info first, analyzes, then restores real names.

✅ Get protected results

Enjoy smart advice and edited documents with everything private and restored perfectly, all saved locally.

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Star Growth

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AI-Generated Review

What is PII-Shield?

PII-Shield is a Python MCP server and Anthropic skill for Claude Desktop's Cowork mode that anonymizes PII in documents—like names, emails, and EU IDs—before Claude analyzes them for contract reviews or memos, then restores originals in the output. You connect a folder of DOCX or text files, invoke the pii-contract-analyze skill, and Claude processes placeholders like instead of real data, keeping everything local and compliant with GDPR. Pre-install scripts handle dependencies for instant starts, or it auto-bootstraps on first use.

Why is it gaining traction?

Unlike basic regex scrubbers, it uses zero-shot NER for accurate detection of legal entities, including 17 EU patterns like UK NIN or IT fiscal codes, with DOCX formatting preserved and family-based deduplication for variants like "Acme" and "Acme Corp." Developers dig the MCP skills Claude integration—no raw PII hits the LLM—and self-installing tools that work out-of-box in VSCode-like Cowork flows, standing out from manual anonymizers or generic MCP GitHub projects.

Who should use this?

Contract lawyers or legal ops teams using Claude for risk analysis, redlines, or bulk NDA comparisons without exposing client data. Compliance engineers handling EU docs in Python workflows, or devs building MCP skills agents around mcp GitHub n8n/npx pipelines for secure doc processing.

Verdict

Grab it if you're in legal AI and need quick PII gating for Claude—solid docs and ready bundles make setup painless despite 17 stars and 1.0% credibility signaling early-stage maturity. Test on non-critical docs first; lacks broad adoption but delivers on niche promise.

(198 words)

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