greynoise-mcp-server

Item: greynoise-mcp-server
Rating: 20
Author: M8ven

MCP server for GreyNoise threat intelligence, enabling IP analysis, GNQL queries, tag and vulnerability lookups, and session/pcap retrieval via natural language.

→ GreyNoise-Intelligence/greynoise-mcp-server · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama npm

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// key findings

⚠️

Tool descriptions don’t match what handlers do

2 tools describe read intent but their handlers mutate — export-sessions-pcap (line 58: unlink(filePath)); get-session-pcap (line 45: unlink(filePath))

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: GREYNOISE_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies3 high2 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowzod@3.21.4GHSA-m95q-7qp3-xv42

Zod denial of service vulnerability

lowtsup@8.0.0GHSA-3mv9-4h5g-vhg3

tsup DOM Clobbering vulnerability

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretGREYNOISE_API_KEY— "": "your-greynoise-api-key"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 9 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/greynoise-intelligence-greynoise-mcp-server-1f4hok)](https://m8ven.ai/mcp/greynoise-intelligence-greynoise-mcp-server-1f4hok)

commit: ffc713a6458e96233d9566b0981d42d2082bb053

code hash: 13681555e4c626265c4cafcd81cd2eccb2aa7d4327e51697fd6e6c2ade67c309

verified: 6/14/2026, 9:53:12 AM

view raw JSON →