Pay-per-call web tools for agents: URL to markdown, metadata, links, DNS, email/domain checks, RDAP.
Connect Remote server
claude mcp add --transport http webkit https://northline-webkit.northline-c86.workers.dev/mcp
{
"mcpServers": {
"webkit": {
"url": "https://northline-webkit.northline-c86.workers.dev/mcp"
}
}
}
{
"servers": {
"webkit": {
"type": "http",
"url": "https://northline-webkit.northline-c86.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://northline-webkit.northline-c86.workers.dev/mcp
Tools 10 found in our last check
webkit_catalogFree. Lists every WebKit tool with its price, required inputs and an example, plus how x402 payment works. Call this first.
url_to_markdownFetch any public web page and return clean, readable Markdown (main content only: no scripts, nav or footer) plus title, word count and final URL. Ideal for feeding pages to an LLM. Costs $0.003 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequired; any x4…
url_metadataLink preview and SEO metadata for any URL: title, description, canonical, language, Open Graph and Twitter card, favicon, RSS/Atom feeds and JSON-LD types, after following redirects. Costs $0.002 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequired; any x…
url_linksEvery unique outgoing link on a web page (absolute URLs, anchor text, internal vs external), up to 500. Use it to crawl a site or find related pages. Costs $0.002 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequired; any x402 MCP client pays automatically…
url_checkIs this URL up? HTTP status, full redirect chain, final URL, response time, content type, server/CDN and a security-headers grade (HSTS, CSP, X-Frame-Options...). Costs $0.001 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequired; any x402 MCP client pays…
dns_lookupDNS records for a domain over DNS-over-HTTPS: A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV, PTR or HTTPS, with TTLs and DNSSEC validation flag. Costs $0.001 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequired; any x402 MCP client pays automatically).
email_domain_checkCheck an email address or domain before you send: syntax, MX servers, accepts mail?, disposable or free provider, mail provider (Google, Microsoft...), SPF and DMARC policy, with risk flags. Costs $0.002 USDC on Base per call via x402 (unpaid calls return the x402 PaymentRequire…
domain_whoisWHOIS for a domain via official RDAP: registered?, registrar, creation/expiry dates, domain age in days, status codes, nameservers, DNSSEC and abuse contact. Spot newly registered (phishing) domains. Costs $0.002 USDC on Base per call via x402 (unpaid calls return the x402 Payme…
robots_checkMay I crawl this URL? Parses robots.txt and answers allowed true/false for your user agent and path, the matching rule, sitemaps, and whether 14 AI crawlers (GPTBot, ClaudeBot, PerplexityBot...) are allowed. Costs $0.001 USDC on Base per call via x402 (unpaid calls return the x4…
domain_reportOne-call domain due diligence: RDAP registration (age, registrar, expiry), DNS (A/AAAA/NS/CAA, DNSSEC), email setup (MX/SPF/DMARC), HTTPS reachability with security-headers grade, and risk flags such as newly_registered_lt_30d. Costs $0.005 USDC on Base per call via x402 (unpaid…
Details
| Endpoint | https://northline-webkit.northline-c86.workers.dev/mcp (Streamable HTTP) |
| First published | 30 Oct 2026 |
| Last updated | 30 Oct 2026 |
| Registry name | dev.workers.northline-c86.northline-webkit/webkit |
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