"Using memory in programming with the Cursor system" matching MCP connectors:

DNS, WHOIS/RDAP, DMARC/SPF, LEI, sitemap, web extract, VAT, QR. Paid per call in USDC, no signup.

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

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

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

The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.

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

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

Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.

Shodan MCP — wraps the full Shodan REST API (api.shodan.io)

PeeringDB MCP — the peering ecosystem database.

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

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

SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.

Site crawl + tech stack + DNS + SSL + WHOIS — five web-intel layers in one MCP.

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

Pay-per-call web, SEO, DNS, and network tools via the x402 protocol.

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.

Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.