"Methods to reduce API call frequency" matching MCP connectors:
Matching Connector Tools:
Live internet-censorship signals: Great Firewall reachability, model-layer censorship, takedowns.
DNS, RDAP, LEI/KYB, DMARC/SPF, sitemaps, web extraction, VAT, QR. Paid per call in USDC.
Domain attribution and correlation for AI agents, with confidence and per-signal evidence.
Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS
Validate whether an IP address belongs to Bingbot. Remote MCP server exposing a validate_ip tool.
Validate whether an IP address belongs to Applebot. Remote MCP server exposing a validate_ip tool.
Validate whether an IP address belongs to Googlebot. Remote MCP server exposing a validate_ip tool.
Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
SecurityTrails MCP — wraps SecurityTrails API (securitytrails.com)
What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.
Shodan MCP — wraps the full Shodan REST API (api.shodan.io)
AbuseIPDB MCP — wraps AbuseIPDB v2 API (api.abuseipdb.com/api/v2)
AI data-center design engine: size, validate & lay out Rubin-era data centers. Korea live.
Explore FCC ULS licenses, ASR antenna structures, and microwave path elevation profiles.
Cloudflare Workers MCP server: domain-intel
49 developer tools via MCP: DNS, WHOIS, IP lookup, JWT, hashing, QR, and more.
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
Validate whether an IP address belongs to YandexBot. Remote MCP server exposing a validate_ip tool.