Koskamo

mcp-guard-scan MCP

A security scanner for Model Context Protocol (MCP) servers that detects tool poisoning, prompt injection, secret leaks, and excessive permissions. It operates as a CLI, GitHub Action, and MCP server, connecting to servers to inventory exposed tools and check them against deterministic rules for CI integration.

Package and access

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

mcp-guard-scan MCP logo, by diegoperezg7Community listingLocal stdioSource reviewed; not executedPublished by diegoperezg7
Vendor documentation

What you can do with it

  • Detect tool poisoning and shadowing in MCP servers
  • Identify leaked secrets and weak transports
  • Check for excessive permissions before agent connection
  • Generate SARIF output for CI security scanning

Source and maintenance

Community listingRegistry 1.1.1
mcp-registry: io.github.diegoperezg7/mcp-guard-scan@1.1.1Source repository
Maintenance checked

Packages and installation

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

mcp-guard-scan 1.1.1

npm
mcp-guard-scan package definition
{
  "version": "1.1.1",
  "transport": "stdio",
  "identifier": "mcp-guard-scan",
  "registryType": "npm",
  "packageArguments": [
    {
      "type": "positional",
      "value": "serve"
    }
  ],
  "environmentVariables": [
    {
      "name": "MCP_GUARD_ALLOW_STDIO",
      "format": "string",
      "description": "Set to 1 to add scan_stdio_server, which starts the command it is given"
    },
    {
      "name": "MCP_GUARD_ALLOW_PRIVATE_NETWORK",
      "format": "string",
      "description": "Set to 1 to let scan_server reach local and private addresses, over http too"
    },
    {
      "name": "LOG_LEVEL",
      "format": "string",
      "default": "warn",
      "description": "pino log level; logs go to stderr"
    }
  ]
}

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-guard-scan-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-guard-scan@1.1.1",
        "serve"
      ],
      "env": {
        "MCP_GUARD_ALLOW_STDIO": "<YOUR_MCP_GUARD_ALLOW_STDIO>",
        "MCP_GUARD_ALLOW_PRIVATE_NETWORK": "<YOUR_MCP_GUARD_ALLOW_PRIVATE_NETWORK>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-guard-scan-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-guard-scan@1.1.1",
        "serve"
      ],
      "env": {
        "MCP_GUARD_ALLOW_STDIO": "<YOUR_MCP_GUARD_ALLOW_STDIO>",
        "MCP_GUARD_ALLOW_PRIVATE_NETWORK": "<YOUR_MCP_GUARD_ALLOW_PRIVATE_NETWORK>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

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-guard-scan-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-guard-scan@1.1.1",
        "serve"
      ],
      "env": {
        "MCP_GUARD_ALLOW_STDIO": "<YOUR_MCP_GUARD_ALLOW_STDIO>",
        "MCP_GUARD_ALLOW_PRIVATE_NETWORK": "<YOUR_MCP_GUARD_ALLOW_PRIVATE_NETWORK>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

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-guard-scan-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-guard-scan@1.1.1",
        "serve"
      ],
      "env": {
        "MCP_GUARD_ALLOW_STDIO": "<YOUR_MCP_GUARD_ALLOW_STDIO>",
        "MCP_GUARD_ALLOW_PRIVATE_NETWORK": "<YOUR_MCP_GUARD_ALLOW_PRIVATE_NETWORK>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

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