"Finding a Simple SSE Server for Testing Goose Remote Extension Capability" matching MCP connectors:

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

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

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

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

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 YandexBot. 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 Naver Yeti IP addresses. Remote MCP validate_ip tool.

Validate whether an IP address belongs to Googlebot. Remote MCP server exposing a validate_ip tool.

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

Validate ClaudeBot and Claude-SearchBot IP addresses. Remote MCP validate_ip tool.

Remote MCP server: 19 domain-hygiene and email-auth tools (DNS, SPF, DMARC, DKIM, TLS).

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

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

DMCA takedown & host reveal for AI agents: who hosts an infringing URL, even behind Cloudflare.

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

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

ipify: caller IPv4/IPv6 echo. Useful for verifying gateway egress.

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