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Guardian

Verified Integration
Author: @Kalvisan•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#AI#GitHub#Node.js#Docker

Client Configuration

— Connect Guardian to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "guardian-3": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-guardian-3"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Automatically guards projects against known security vulnerabilities in dependencies using the OSV.dev database.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Guardian

GuardianMCP generates detailed security reports that include remediation guidance, links to relevant CVEs (Common Vulnerabilities and Exposures), and highlights issues based on CRITICAL and HIGH severity levels. You can choose between full, summary, or critical-high-only scan modes.

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