"Tools and techniques for visual debugging" matching MCP connectors:

Scan and fix email auth (SPF, DMARC, DKIM, MX, blacklists, expiry) + DNS checks. Validated fixes.

Scan your home network and local machine for security risks, open ports, weak Wi-Fi, unknown devices. Providing with a trust score and clear explanations.

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

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

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

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

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.

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

MCP server for DNSimple — domains, DNS zone records, availability, pricing and contacts.

Internet censorship and website reachability: OONI network measurements, keyless

Validate Meta-ExternalAgent and Meta-WebIndexer IP addresses. Remote MCP validate_ip tool.

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

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

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

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

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)