"Tools or resources to assist a web developer" matching MCP connectors:

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

Live censorship, China economic, and tamper-evident AI evaluation tools with bounded analysis.

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

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

Domain/IP intelligence, web page capture and search APIs

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

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

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

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

Agent-native web hosting — deploy sites, manage DNS, register domains, scale infrastructure

Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.

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

Watch domains and forecast when they drop; check a name's domain, handles, and trademark.

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

Validate whether an IP address belongs to Bingbot. Remote MCP server exposing a validate_ip tool.

Validate whether an IP address belongs to Applebot. Remote MCP server exposing a validate_ip tool.

Validate whether an IP address belongs to Googlebot. Remote MCP server exposing a validate_ip tool.

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.

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