# key-guard A local MCP server that keeps API keys off Claude's servers. ## Why This Exists When Claude reads a file containing an API key, the raw key content gets sent to Claude's servers. key-guard prevents this by acting as a local middleman — Claude calls a tool, the tool reads the key and makes the API call locally, and only the result is returned to Claude.

Name: # key-guard A local MCP server that keeps API keys off Claude's servers. ## Why This Exists When Claude reads a file containing an API key, the raw key content gets sent to Claude's servers. key-guard prevents this by acting as a local middleman — Claude calls a tool, the tool reads the key and makes the API call locally, and only the result is returned to Claude.
Author: community

VERIFIED

by community

—(0 reviews)

71,176installs

Updated Apr 2026

Description

Security guardrail: prevents API keys from being sent to Claude. Triggers when user asks to call an external API, use a key, check credentials, read .env fil...

Security Analysis

⚠️警告69/100

Open Source

Code is publicly available for audit.

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Community Signal

⭐ ClawHub Score3.02 / 5.00

📥 Installs71,176

🔄 Last UpdateApr 5, 2026

🟢 Actively maintained (0d ago)

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