Web & domain tools

Connect Remote server

claude mcp add --transport http web https://fourzerotwo.si/mcp/v/web --header "X-API-Key: <X_API_KEY>"

{
  "mcpServers": {
    "web": {
      "url": "https://fourzerotwo.si/mcp/v/web",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "web": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/web",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://fourzerotwo.si/mcp/v/web

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 25 found in our last check

• 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 x402.

• 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, then $0.005 USDC per call via x402.

• 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 daily allowance, then $0.002 USDC per call via x402.

• 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 x402.

• 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 per call via x402.

• 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 USDC per call via x402.

• 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, then $0.003 USDC per call via x402.

• 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 per call via x402.

• 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 grade. Free within the daily allowance, then $0.003 USDC per call via x402.

Headers

Details

More files and documents servers See all

• Нишка – отворен слой

  Checked Bulgarian public-service facts, legal deadlines and official documents, with sources.

• Craft Quantities: construction material calculators

  Construction quantities from cited calculators, takeoffs, planners, drawings, cut plans. No prices.

• step2gcode

  Turn STEP, DXF and SVG files into CNC milling and laser G-code for GRBL, LinuxCNC, Mach3 and more.

• StickerByVIN

  Check whether a car's original window sticker (Monroney label) is on file for a VIN, plus recalls.

• BDK Native

  Turn a web app from Lovable, Bolt, Replit, Base44, Bubble or any stack into iOS and Android apps.

• Unique.domains

  Domain status, WHOIS records, nine registrars' daily prices, renewal traps and auctions. No key.