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mcp/harbor
Verified official

PromptGuard MCP

v1.1.2

co.promptguard/security

Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add security -e PROMPTGUARD_API_KEY=<PROMPTGUARD_API_KEY> -- npx -y @promptguard/mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.