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io.github.rudraneel93/mcp-guardian

io.github.rudraneel93/mcp-guardian·v2.3.21·Security
Quality Score
85
/100

Security, cost, and health governance proxy for MCP infrastructure

§00  Trust verdict · v1 advisory ·  method
UNVERIFIEDno verdict on file

Verdict not yet evaluated for this tool. The hybrid eval runs adversarial cases first; coverage rolls out as the corpus expands. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: hybrid eval, four-state verdict, honest limits.

§01  Install
Claude Desktop (claude_desktop_config.json)
{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "~/.mcp-guardian/history.db",
        "ALERT_WEBHOOK_URL": "<your-alert_webhook_url>",
        "METRICS_ENABLED": "<metrics_enabled>"
      }
    }
  }
}
Cursor (.cursor/mcp.json)
{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "~/.mcp-guardian/history.db",
        "ALERT_WEBHOOK_URL": "<your-alert_webhook_url>",
        "METRICS_ENABLED": "<metrics_enabled>"
      }
    }
  }
}
Cline (cline_mcp_settings.json)
npx -y @mcp-guardian/server
§02  Environment variables
MCP_GUARDIAN_DB_PATH

Path to SQLite history database

ALERT_WEBHOOK_URL
secret

Slack or Discord webhook for critical alerts

METRICS_ENABLED

Expose Prometheus metrics

§03  MCP Quality Score  ·  methodology
freshness
25
completeness
10
installability
25
documentation
15
stability
10
§04  Alternatives in Security