"Token savings strategies for code intelligence tools" matching MCP connectors:

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

Domain/IP intelligence, web page capture and search APIs

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

Free uptime monitoring: HTTP/TCP/TLS/DNS checks, cron heartbeats, status pages, incident tools.

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

Free no-key IP intelligence: geolocation, VPN detection, DNS, WHOIS, blacklists, breach checks

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

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

DNS, WHOIS/RDAP, DMARC/SPF, LEI, sitemap, web extract, VAT, QR. Paid per call in USDC, no signup.

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

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.

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

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

Domain attribution and correlation for AI agents, with confidence and per-signal evidence.

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

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.

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