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mcp/harbor
VS Code

PromptGuard for VS Code

co.promptguard/security

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

client:VS Code transport:stdio runtime:npm

Install PromptGuard in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "promptguard-api-key",
      "description": "PROMPTGUARD_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "security": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@promptguard/mcp-server"
      ],
      "env": {
        "PROMPTGUARD_API_KEY": "${input:promptguard-api-key}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

PromptGuard in other clients

PromptGuard MCP server