"Official GitHub Website or Account" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Tell real Googlebot/GPTBot from fake: 500 IPs a call, firewall allowlist out. Free, no key.
Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.
Calculates IPv4 subnet information from an IP address and CIDR prefix or dotted decimal subnet mask
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
Domain registration for AI agents via Stripe or x402 crypto with Cloudflare DNS.
Internet censorship and website reachability: OONI network measurements, keyless
Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.
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
Query your ISP's revenue, subscribers, payments and routers. Needs a Centipid account and API key.
Domains, DNS, DNSSEC and hosting at regfish; diagnose any domain; OAuth or API key.