The real catalog of tools for AI agents

Claim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account.

Find known subdomains of a domain. Passive data; may include historic entries. List or count.

theHarvester Cloud - Email & Subdomain Finder

Publish and edit static websites on a free subdomain, just by chatting.

Free developer subdomains with DNS, catch-all email, and webhook capture, managed via MCP.

Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.

Certificate Transparency search: subdomains, certificate history and hostname keyword search.

DNS record enumeration, misconfiguration and dangling-subdomain detection

Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

Certificate Transparency search for AI agents: certs, subdomains, issuance history, expiry.

Domain intelligence for agents: WHOIS, DNS, SSL/TLS, security headers, reputation, subdomains.

Manage TezTun tunnels, subdomains, and service tokens from any MCP-compatible AI client.

Detect any website's tech stack, DNS and email security, subdomains and sitemap from your agent.

Put an AI-written project online: a site on a subdomain with a Postgres database of its own.

WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain.

Reserve a subdomain, upload .zip via MCP, get a link. Optional document API at api.demo.st.

Discover mobile app attack surfaces via BeVigil OSINT — hosts, subdomains, URLs, and more.

Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS, Shodan.

Deploy live HTTPS websites in seconds. Instant subdomains or custom .xyz domains via USDC.

KGLD gold-token reserve proof: custody vs supply, auditor report hash, human verification by email