MCP server

how.is domain & IP intelligence Official

is.how/domain-intel

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

Website

At a glance

Type

MCP server

Publisher

how.is (verified by the MCP Registry)

Status

Working at last check

Tools

24

Token cost

About 4,780 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http domain-intel https://how.is/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.domain-intel]
url = "https://how.is/mcp"

Gemini CLI

{"mcpServers":{"domain-intel":{"httpUrl":"https://how.is/mcp"}}}

Cursor

{"mcpServers":{"domain-intel":{"url":"https://how.is/mcp"}}}

VS Code

{"servers":{"domain-intel":{"type":"http","url":"https://how.is/mcp"}}}

Antigravity

agy mcp add domain-intel https://how.is/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"domain-intel","server_url":"https://how.is/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"domain-intel","server_url":"https://how.is/mcp"}

Tools

• add_credit ~117 tokens
  Free. Returns a link your user opens to add card credit (from $5) to the key on this connection. If the connection has no key, it creates one: tell your user to add it to this server's settings as the header 'Authorization: Bearer <key>'. The link only adds credit; it never reveals the key.
• bot_observatory ~162 tokens
  Partner tier of the dns.pizza bot observatory: every network (ASN), named crawler, TLS (JA4) fingerprint and firewall rule seen in the last 7 days, refreshed hourly. The public tier is free at https://dns.pizza/bots; unlimited pulls come with a monthly plan at https://how.is/bots. Price $0.050 per c
• bot_verify ~366 tokens
  Verify a crawler's identity: is this visitor (IP + user-agent) really Googlebot, Bingbot, GPTBot, ClaudeBot, Applebot, PerplexityBot..., an impostor using the name, another bot, or likely a person? Checked against each operator's published IP lists and forward-confirmed reverse DNS, plus 7 days of b
• bot_verify_batch ~320 tokens
  Verify up to 100 visitors (IP + user-agent, optional JA4) in one call and one payment, billed per item: the same verdicts as bot_verify, for a log excerpt or a firewall review. Price $0.005 per call. Free sample: {"items": [{"ip": "66.249.66.1", "ua": "Mozilla/5.0 (compatible; Googlebot/2.1; +http:/
• brand_lookalikes ~345 tokens
  Newly registered look-alikes of a brand: names that entered the gTLD and .com/.net zones in the last 14 days and are a typo, a look-alike-character spelling (paypa1), the same name on another TLD, or the brand beside a lure word (paypal-login). Each with a risk tier and the reasons. Derived matches
• company_lookup ~260 tokens
  Who runs this site? Company name and legal name, what they do, category, location and social links when known, mail/DNS/hosting providers, registration facts, and whether it is the same outfit as before, with a source and a confidence for every field. Unknown domains answer 404 and are not charged.
• domain_age ~152 tokens
  How old a domain is: registration date, age in days and years, and whether it was registered in the last 30 days (a common phishing signal). Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data: created, age_days, age_years, newly_registered, expires, registrar, source.
• domain_available ~190 tokens
  Is this domain name registered? Asked of the registry over RDAP, with the standard first-year and renewal price when it is free to register. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data: available (true/false; null when only DNS could be checked, then likely_available
• domain_blacklist ~131 tokens
  Whether the addresses behind a domain appear on spam and abuse blocklists. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.ipResults[]: target, isListed, listingCount, totalChecked.
• domain_changes ~266 tokens
  When did this domain appear in the registry zone file, leave it, come back, or change nameservers? From the daily gTLD + .com/.net zone files we capture (daily since 2026-08-05; monthly 2013-2018). A sudden nameserver move is a hijack or sale signal; a brand-new name is a phishing signal. Price $0.0
• domain_dns ~136 tokens
  A, AAAA, MX, NS, TXT and other records for a domain, with resolve timing. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.records keyed by record type (A, AAAA, MX, NS, TXT, ...); data.data.responseTime.
• domain_dnssec ~140 tokens
  Whether DNSSEC is signed and validates for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: isSigned, isValid, validationStatus, chainOfTrust, dsRecords, dnskeyRecords, errors, warnings, recommendations.
• domain_email_auth ~128 tokens
  SPF, DKIM and DMARC records and posture for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: spf, dkim, dmarc, mx, overallScore, overallStatus, recommendations.
• domain_profile ~177 tokens
  Everything about a domain in one call: DNS, WHOIS, TLS, DNSSEC, email auth, security score, blacklist status, plus IP intelligence for its A record. Price $0.025 per call. Free sample: {"domain": "example.com"}. Returns: data.sections.{dns,whois,tls,dnssec,email-auth,security-score,blacklist,ip}; da
• domain_security_score ~142 tokens
  A letter grade and point score for a domain security posture, with the scored items behind it. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: grade, overallScore, maxPossibleScore, categories[] of scored items.
• domain_tls ~144 tokens
  Certificate validity, issuer, protocol and days until expiry for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data: valid, issuer, subject, subjectAltNames, validFrom, validTo, daysUntilExpiry, protocol, cipher, selfSigned.
• domain_trust ~202 tokens
  Should an agent click, sign in to, or pay this domain? A risk score and verdict (likely_safe / caution / high_risk, or inconclusive when a check could not run) with plain-English reasons, from domain age, spam/abuse blocklists and the HTTPS certificate. Price $0.020 per call. Free sample: {"domain":
• domain_whois ~137 tokens
  Registrar, creation and expiry dates, nameservers and status codes for a domain. Price $0.005 per call. Free sample: {"domain": "example.com"}. Returns: data.data.data: the parsed WHOIS/RDAP record (registrar, dates, nameservers, status).
• ip_lookup ~127 tokens
  Network owner (ASN), company, geolocation, privacy flags and abuse contact for an IP address. Price $0.005 per call. Free sample: {"ip": "1.1.1.1"}. Returns: data.data: ip, hostname, city, region, country, asn, company, privacy, carrier, abuse.
• page_watch ~150 tokens
  Has this page changed since your last call, and how much? The first call stores a baseline; later calls return a text diff (2% threshold). Price $0.005 per call. Free sample: {"url": "https://example.com"}. Returns: data with baseline, changed, change_pct, added, removed, last_change_ts.
• read_url ~293 tokens
  Read a web page as clean markdown, with the URL pre-flight verdict attached (and a viewport screenshot on request). Honors robots.txt for your user agent; flags text from risky sites as untrusted. Refunded if nothing can be read. Price $0.005 per call. Free sample: {"url": "https://example.com"}. Re
• site_screenshot Browses the web · ~181 tokens
  See a web page: a 1280-wide JPEG of any public URL, viewport or full page (capped at 6000 px), with its final URL, HTTP status and title. Price $0.020 per call. Free sample: {"url": "https://example.com"}. Returns: data: image_base64 (JPEG), mime, width, height, final_url, http_status, title, note.
• site_status ~154 tokens
  Live check of one or more URLs: HTTP status, latency, DNS resolve time, resolved IP, TTL, nameservers, TLS days remaining. Price $0.005 per call. Free sample: {"sites": ["https://example.com"]}. Returns: data keyed by URL; each entry has ok, code, ms, dns_ms, ip, ttl, ns, cert_days, server, ts.
• url_preflight ~360 tokens
  Check whether a URL is safe to fetch, read, sign in to, or pay — before you do. One verdict with plain reasons: domain age and newborn flag, lookalike of a top site, spam/abuse blocklists, HTTPS, robots.txt for your user agent, how our bot observatory sees your user agent, and the site's own x402 pr

Browse

• Stripe tools
• PayPal tools
• Web scraping
• Domains and DNS
• Email
• Social media

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