"Information about security topics starting with 'F'" matching MCP connectors:

Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Read-only IT Health Check, domain security, recommendations, pricing, and draft enquiries.

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms

Domain availability across 1,200+ TLDs, with renewal price, minimum term and eligibility

GreyNoise Community MCP — internet scanner classification (free tier with key)

OpenCellID MCP — cell tower geolocation database (free with key)

Domain attribution and correlation for AI agents, with confidence and per-signal evidence.

DNS lookups, health reports, SSL certs, security scans, GEO scoring, uptime checks

Unlock the power of DNS lookups with our DNS Lookup service using Google DNS-over-HTTPS. Whether

WHOIS, DNS, SSL, IP geo for security forensics and OSINT — separate from SEO.

Domain registration for AI agents via Stripe or x402 crypto with Cloudflare DNS.

Scan your home network and local machine for security risks, open ports, weak Wi-Fi, unknown devices. Providing with a trust score and clear explanations.

The internet's largest queryable infrastructure graph — 7.39 billion nodes, 39 billion edges, 5.6 million threat-intelligence relationships. Pivot from any IP, domain, or ASN across DNS, BGP, WHOIS, GeoIP, and threat intel in a single Cypher query. Most threat-intel and OSINT APIs are point lookups: you ask about one indicator, you get one record. Investigations don't work that way — you start from one suspicious domain and need to trace its hosting, its sibling domains, its registrar, its email

Live demo of Frisian-MCP, a Django/DRF package that exposes ViewSets as MCP tools through grouped dispatchers — ~1,800 endpoints collapsed into ~16 tools, with DRF permission classes enforced in-process before ORM access. Connect to try the dispatcher pattern against a realistic network-automation surface.

The internet's infrastructure graph for AI agents - 46B nodes and edges, free trial via 2 HTTP calls

kube-linter audit for Kubernetes manifests — 63 checks: security, availability, RBAC, network.

Agent-first domain registration and DNS management, paid with USDC via x402.