The answer
@greynoise/greynoise-mcp-server
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 14d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 53/100571 monthly downloads
claude mcp add greynoise-mcp-server -- npx -y @greynoise/greynoise-mcp-server
Runners-up
- greynoise-mcp-servernot yet verified13/100 · weaker match