si.fourzerotwo/web

up checked 2026-11-11T12:38:05.064Z

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Publisher-provided title

Web & domain tools

Publisher-provided description

Read any public page as markdown, link previews, URL safety, page audits, domain availability and…

Summary by lookupd

Looks up DNS, domain registration, email auth, SEO audits, IP ownership, URL safety and page content for public web resources.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http web https://fourzerotwo.si/mcp/v/web

Codex, remote (streamable-http)

codex mcp add web --url https://fourzerotwo.si/mcp/v/web

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "web": {
      "url": "https://fourzerotwo.si/mcp/v/web"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (25 tools)

Publisher-provided text

• domains__availability Registered or available, straight from the TLD registry. A few free samples a day, then $0.002 USDC per call via x402.
• domains__facts Registrar, created, expiry, age, status codes, nameservers and DNSSEC. A few free samples a day, then $0.002 USDC per call via x402.
• domains__dns A, AAAA, MX, NS, TXT, CNAME and CAA records (or one type). A few free samples a day, then $0.001 USDC per call via x402.
• domains__ip-owner Network, organisation, range, country and abuse email for an IP, from the regional internet registry. A few free samples a day, then $0.002 USDC per call via x4
• domains__dmca-agent Published DMCA / abuse contact (email or form) for a major platform, host, CDN or registrar. A few free samples a day, then $0.002 USDC per call via x402.
• domains__abuse-contacts Everyone to send an abuse or takedown report to for a site: platform agent, hosting network (+ abuse email, CDN flag) and registrar. A few free samples a day, t
• domains__email-auth MX, SPF and DMARC for a domain, the mail provider, issues found and a grade. A few free samples a day, then $0.003 USDC per call via x402.
• domains__ideas Rule-based domain candidates for a keyword: exact, stopword-free, hyphenated, prefixed and suffixed, across chosen TLDs, with a trademark flag. Free within the
• ip-geolocation__lookup Country, continent, EU membership, network block, ASN, organisation and hosting flag for one IP. Free within the daily allowance, then $0.001 USDC per call via
• ip-geolocation__country Country and continent for one IP. Free within the daily allowance, then $0.0005 USDC per call via x402.
• ip-geolocation__asn ASN, organisation and hosting flag for one IP. Free within the daily allowance, then $0.0005 USDC per call via x402.
• ip-geolocation__batch Full lookup for up to 100 IPs in one call. A few free samples a day, then $0.02 USDC per call via x402.
• seo__robots-check Whether a crawler (Googlebot, GPTBot, ClaudeBot…) may fetch a URL, the rule that decided it, and declared sitemaps. A few free samples a day, then $0.002 USDC p
• seo__page-audit Title, meta, H1, canonical, noindex, hreflang, structured data, OG tags, word count, links, alt text, issues and a score. A few free samples a day, then $0.005
• seo__links Internal and external links on a page with anchor text and nofollow flags. A few free samples a day, then $0.003 USDC per call via x402.
• seo__keyword-intent Classify a search keyword as transactional, commercial, navigational or informational. A few free samples a day, then $0.0005 USDC per call via x402.
• validators__imei Validate an IMEI (length + Luhn) and split TAC, serial and check digit. Free within the daily allowance, then $0.0005 USDC per call via x402.
• validators__vin VIN format, check digit, WMI and model-year candidates. Free within the daily allowance, then $0.0005 USDC per call via x402.
• validators__iban IBAN mod-97 checksum and country length; UK sort code extracted. Free within the daily allowance, then $0.0005 USDC per call via x402.
• validators__uk-phone Classify a UK number (mobile, landline, freephone, premium…) and format as E.164. Free within the daily allowance, then $0.0005 USDC per call via x402.
• validators__uk-postcode Validate and normalise UK postcode format; split outward/inward codes. Free within the daily allowance, then $0.0005 USDC per call via x402.
• validators__email Email syntax, whether the domain accepts mail, disposable and role-account flags. Free within the daily allowance, then $0.001 USDC per call via x402.
• web__read Main content of a public web page as clean markdown, with title, byline, published date, canonical URL, language, word count and links. A few free samples a day
• web__unfurl Open Graph and Twitter card data, favicon, theme colour, JSON-LD types, RSS/Atom feeds and sitemaps for a URL. Free within the daily allowance, then $0.002 USDC
• web__url-safety Warning signs for a URL: redirect chain and final destination, TLS certificate, domain age, punycode and brand-lookalike tricks, bare IPs, and security-header g

Details

• Version: 1.0.1
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 983 ms
• First indexed: 2026-11-01T10:08:49.038Z
• Last seen in registry: 2026-11-01T10:08:49.049Z
• Website: https://fourzerotwo.si

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