"A server for finding real-time rental cars with prices" matching MCP connectors:

Scores any web domain's public resilience: TLS, headers, DNS, response time. From $0.005 to $0.01/call, no signup.

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

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

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

Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS

Monitoring for agencies — uptime, SSL, DNS, blocklists, AI visibility, MCP health. 8 no-auth tools.

Domain reputation over time: Domain Rating, Tranco rank, TLS, and AI crawler policy.

Domain & company intel for AI agents: RDAP, DNS, email deliverability, tech stack. No API keys.

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

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

IP Lookup MCP — ip-api.com (free, no auth for basic usage)

Vendor status pages, TLS cert inspection, DNS propagation checks, and incident-response playbooks.

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

IPInfo MCP — wraps ipinfo.io (free tier, no auth required for basic usage)

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

Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.

Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.

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

Watch domains and forecast when they drop; check a name's domain, handles, and trademark.

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.