Categories › Web & Browser › SEO & site audits
Read any public page as markdown, link previews, URL safety, page audits, domain availability and…
Remote server: your requests and data go to fourzerotwo.si. Claude Code: claude mcp add --transport http web-domain-tools https://fourzerotwo.si/mcp/v/web · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
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 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 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 fdomains__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 flip-geolocation__lookup — Country, continent, EU membership, network block, ASN, organisation and hosting flag for one IP. Free within the daily allowance, then $0.00ip-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 dayseo__page-audit — Title, meta, H1, canonical, noindex, hreflang, structured data, OG tags, word count, links, alt text, issues and a score. A few free samplesseo__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 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 x402validators__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 calvalidators__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 callweb__read — Main content of a public web page as clean markdown, with title, byline, published date, canonical URL, language, word count and links. A feweb__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 allowanweb__url-safety — Warning signs for a URL: redirect chain and final destination, TLS certificate, domain age, punycode and brand-lookalike tricks, bare IPs, aNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.