"Exploration of Free Cursor Thinking Concept" matching MCP connectors:

Scores web domains: TLS, headers, DNS, speed. Free triage, $0.01 per report, no signup.

Dedicated static outbound IPv4 over WireGuard. Free 7-day trial, no card, no sales call.

Free, keyless domain registration lookup via RDAP: registered, available, registrar, expiration.

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

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

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

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

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

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

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

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

Unlock the power of DNS lookups with our DNS Lookup service using Google DNS-over-HTTPS. Whether

Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.

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

Provides capabilities that let LLM agents perform a range of infrastructure management tasks.

Gives AI agents a public IPv6 identity, hostname, port forwarding, web fetch, team mesh. Free tier.

Live demo of Frisian-MCP, a Django/DRF package that exposes ViewSets as MCP tools through grouped dispatchers — ~1,800 endpoints collapsed into ~16 tools, with DRF permission classes enforced in-process before ORM access. Connect to try the dispatcher pattern against a realistic network-automation surface.

Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.

Enables monitoring and management of Ruckus Unleashed WiFi controllers, including APs, clients, WLANs, and system events. MCP server for Ruckus Unleashed (tested on R500/R600, built-in Embedthis-Appweb web server). Uses aioruckus to talk to the controller's AJAX API.

The internet's infrastructure graph for AI agents - 46B nodes and edges, free trial via 2 HTTP calls