"Capture The Flag (CTF) cybersecurity competitions and challenges" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Scan and fix email auth (SPF, DMARC, DKIM, MX, blacklists, expiry) + DNS checks. Validated fixes.
Check internet providers, plans, speeds, and known pricing at a specific U.S. street address.
Rights-aware censorship, China-economic status, and tamper-evident AI evaluation tools.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Live DNS lookups for agents: A/MX/TXT/SPF/CNAME/PTR with TTLs and DNSSEC, via Google Public DNS.
High-quality residential proxy service across the globe.
Control Plane (controlplane.com): deploy and operate workloads across AWS, GCP, Azure, and more.
Domain availability search, WHOIS lookup, TLD pricing and registry rules from name.ai. Read-only.
DNS and email security scanner with 79 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
Domain/IP intelligence, web page capture and search APIs
Vendor status pages, TLS cert inspection, DNS propagation checks, and incident-response playbooks.
DMARC-safe email forwarding for agents: aliases, DNS health checks, and MCP tools on your domains.
29 pay-per-call DNS, SEO, SSL, security, and dev tools for AI agents. x402, no API key.
The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.
IP geolocation, ASN and network data, plus VPN, proxy and Tor detection. ASN tools need no key.
PeeringDB MCP — the peering ecosystem database.
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
Normalized JSON for any domain across 1,200+ TLDs. The modern WHOIS replacement.
Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.
Shodan MCP — wraps the full Shodan REST API (api.shodan.io)
