MCP Guardian

MCP Guardian is a security, cost, and health governance proxy for Model Context Protocol infrastructure. It provides a YAML policy engine, OAuth 2.1/OIDC authentication, mTLS, semantic shell analysis, and a web dashboard for monitoring and managing AI agent interactions with tools.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by rudraneel93

Vendor documentation

What you can do with it

Enforce security policies via YAML configuration
Monitor AI agent health and costs
Manage OAuth 2.1/OIDC authentication
Analyze semantic shell commands for threats

Source and maintenance

Community listingRegistry 2.3.21

mcp-registry: io.github.rudraneel93/mcp-guardian@2.3.21 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@mcp-guardian/server 2.3.21

npm

@mcp-guardian/server package definition

{
  "version": "2.3.21",
  "transport": "stdio",
  "identifier": "@mcp-guardian/server",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "MCP_GUARDIAN_DB_PATH",
      "format": "string",
      "default": "~/.mcp-guardian/history.db",
      "description": "Path to SQLite history database"
    },
    {
      "name": "ALERT_WEBHOOK_URL",
      "format": "string",
      "description": "Slack or Discord webhook for critical alerts"
    },
    {
      "name": "METRICS_ENABLED",
      "format": "string",
      "description": "Expose Prometheus metrics"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server@2.3.21"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "<YOUR_MCP_GUARDIAN_DB_PATH>",
        "ALERT_WEBHOOK_URL": "<YOUR_ALERT_WEBHOOK_URL>",
        "METRICS_ENABLED": "<YOUR_METRICS_ENABLED>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server@2.3.21"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "<YOUR_MCP_GUARDIAN_DB_PATH>",
        "ALERT_WEBHOOK_URL": "<YOUR_ALERT_WEBHOOK_URL>",
        "METRICS_ENABLED": "<YOUR_METRICS_ENABLED>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "mcp-guardian": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server@2.3.21"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "<YOUR_MCP_GUARDIAN_DB_PATH>",
        "ALERT_WEBHOOK_URL": "<YOUR_ALERT_WEBHOOK_URL>",
        "METRICS_ENABLED": "<YOUR_METRICS_ENABLED>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server@2.3.21"
      ],
      "env": {
        "MCP_GUARDIAN_DB_PATH": "<YOUR_MCP_GUARDIAN_DB_PATH>",
        "ALERT_WEBHOOK_URL": "<YOUR_ALERT_WEBHOOK_URL>",
        "METRICS_ENABLED": "<YOUR_METRICS_ENABLED>"
      }
    }
  }
}

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