Koskamo

mcp-greynoise

An MCP server that integrates the GreyNoise API to analyze IP addresses. It determines if an IP is generating internet background noise, is a known benign service (RIOT), or is potentially targeted. It supports checking single or multiple IPs and provides classification details for security threat intelligence.

Package and access

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

mcp-greynoise logo, by nickjluckerCommunity listingLocal stdioSource reviewed; not executedPublished by nickjlucker
You need:Get a free API key at viz.greynoise.io/signup
Vendor documentation

What you can do with it

  • Check if an IP is internet background noise or a targeted attack
  • Identify known benign services like Google or Cloudflare
  • Analyze multiple IPs in a single call for threat assessment

Source and maintenance

Community listingRegistry 0.1.0
Maintenance checked

Packages and installation

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

mcp-greynoise 0.1.0

npm
mcp-greynoise package definition
{
  "version": "0.1.0",
  "transport": "stdio",
  "identifier": "mcp-greynoise",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "GREYNOISE_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "GreyNoise API key (free Community tier: 50 req/day)"
    }
  ]
}

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-greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise@0.1.0"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<YOUR_GREYNOISE_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise@0.1.0"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<YOUR_GREYNOISE_API_KEY>"
      }
    }
  }
}

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-greynoise": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise@0.1.0"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<YOUR_GREYNOISE_API_KEY>"
      }
    }
  }
}

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-greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise@0.1.0"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<YOUR_GREYNOISE_API_KEY>"
      }
    }
  }
}

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