PromptGuard MCP Server

by acebot712co.promptguard/securityv1.1.2

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

Node.jsstdioofficial registry

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security

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cold start

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freshness

Maintained47d ago

Install PromptGuard MCP server

claude mcp add promptguard -e PROMPTGUARD_API_KEY='<promptguard-api-key>' -- npx -y @promptguard/mcp-server

{
  "mcpServers": {
    "promptguard": {
      "command": "npx",
      "args": [
        "-y",
        "@promptguard/mcp-server"
      ],
      "env": {
        "PROMPTGUARD_API_KEY": "<promptguard-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "promptguard": {
      "command": "npx",
      "args": [
        "-y",
        "@promptguard/mcp-server"
      ],
      "env": {
        "PROMPTGUARD_API_KEY": "<promptguard-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "promptguard": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@promptguard/mcp-server"
      ],
      "env": {
        "PROMPTGUARD_API_KEY": "<promptguard-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "promptguard": {
      "command": "npx",
      "args": [
        "-y",
        "@promptguard/mcp-server"
      ],
      "env": {
        "PROMPTGUARD_API_KEY": "<promptguard-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
PROMPTGUARD_API_KEY	—	yes	PromptGuard API key (starts with pg_live_)

Freshness

Maintained — last maintenance signal 47d ago. The newest of the signals below sets the band.

Last commit (default branch)
no data · GitHub
Latest release
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Package published
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Registry entry updated
2026-08-24 · 47d ago · official registry · v1.1.2

FAQ

›How do I install the PromptGuard MCP server in Claude Code?

Run: claude mcp add promptguard -e PROMPTGUARD_API_KEY='<promptguard-api-key>' -- npx -y @promptguard/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does PromptGuard require an API key?

Yes. It expects PROMPTGUARD_API_KEY, of which 1 is a secret.

›Can I use PromptGuard as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is PromptGuard in the official MCP registry?

Yes, as co.promptguard/security.