"Information about Obsidian (note-taking app or volcanic glass)" matching MCP connectors:

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

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

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

Calculates IPv4 subnet information from an IP address and CIDR prefix or dotted decimal subnet mask

Domain/IP intelligence, web page capture and search APIs

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

What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.

Domain registration for AI agents via Stripe or x402 crypto with Cloudflare DNS.

Hosted MCP gateway for Web3 infra discovery across 20+ networks via one endpoint.

The internet's largest queryable infrastructure graph — 7.39 billion nodes, 39 billion edges, 5.6 million threat-intelligence relationships. Pivot from any IP, domain, or ASN across DNS, BGP, WHOIS, GeoIP, and threat intel in a single Cypher query. Most threat-intel and OSINT APIs are point lookups: you ask about one indicator, you get one record. Investigations don't work that way — you start from one suspicious domain and need to trace its hosting, its sibling domains, its registrar, its email

Domains, DNS, DNSSEC and hosting at regfish; diagnose any domain; OAuth or API key.