Greynoise

What you can do with Greynoise

Greynoise is a Model Context Protocol (MCP) server published by nickjlucker. It ranks #73,415 of 167,945 active servers on MCP Toplist. Greynoise is listed across 3 registries — Official MCP, PulseMCP and Glama, with 1 tracked version. It was first listed on Feb 26, 2026 and most recently updated on Feb 28, 2026.

What Greynoise can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

What you need before using Greynoise

Connect Greynoise and confirm it works

claude mcp add greynoise -e "GREYNOISE_API_KEY=<your GREYNOISE_API_KEY>" -- npx -y mcp-greynoise

[mcp_servers.greynoise]
command = "npx"
args = ["-y", "mcp-greynoise"]

[mcp_servers.greynoise.env]
GREYNOISE_API_KEY = "<your GREYNOISE_API_KEY>"

{
  "mcpServers": {
    "greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<your GREYNOISE_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<your GREYNOISE_API_KEY>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<your GREYNOISE_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "greynoise": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-greynoise"
      ],
      "env": {
        "GREYNOISE_API_KEY": "<your GREYNOISE_API_KEY>"
      }
    }
  }
}

When to choose another server

• mcp-abuseipdb#134,363

No task-specific alternatives are catalogued for Greynoiseyet; the list above is its publisher's other servers.

What changed, and when this was checked

First listed

Feb 26, 2026

Latest version published

Feb 28, 2026

Version history

1 version tracked (below)

Requirements evidence

Declared by PulseMCP, last synced Aug 31, 2026. Not independently verified by MCP Toplist.

Profile checked

Not yet — purpose, capabilities and requirements above come from registry data only

Ranking data as of

Nov 3, 2026

Do you maintain Greynoise? Claim it to correct or enrich this profile.

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

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