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WhoisXML API MCP Server

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34 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents via WhoisXML API.

Code source Site web Documentation

Installation

Ajoutez ceci à la configuration MCP de votre client (Claude Desktop : claude_desktop_config.json ; Cursor : .cursor/mcp.json ; VS Code et les autres utilisent la même forme « mcpServers »).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http whoisxml-api-mcp-server 'https://mcp-hosted.whoisxmlapi.com/mcp'
Configuration JSON (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "whoisxml-api-mcp-server": {
            "type": "http",
            "url": "https://mcp-hosted.whoisxmlapi.com/mcp"
        }
    }
}
NPM package @whoisxmlapidotcom/mcp-whoisxmlapi
Claude Code 
claude mcp add whoisxml-api-mcp-server -e 'WHOISXMLAPI_TOKEN=<your whoisxmlapi_token>' -- npx -y @whoisxmlapidotcom/mcp-whoisxmlapi@1.11.0
Configuration JSON (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "whoisxml-api-mcp-server": {
            "command": "npx",
            "args": [
                "-y",
                "@whoisxmlapidotcom/mcp-whoisxmlapi@1.11.0"
            ],
            "env": {
                "WHOISXMLAPI_TOKEN": "<your whoisxmlapi_token>"
            }
        }
    }
}

Variables d'environnement

  • WHOISXMLAPI_TOKEN obligatoire secret WhoisXML API key (get one at https://whoisxmlapi.com)

Documentation

Tirée du README du projet sur GitHub, actualisée chaque semaine. Les liens ouvrent GitHub.

Sommaire
  1. WhoisXML API MCP Server
  2. Hosted endpoint (no install)
  3. Run locally
  4. Tools (32)
  5. Example prompts

WhoisXML API MCP Server

The official WhoisXML API MCP server: 32 first-party tools for WHOIS, DNS, IP geolocation, threat intelligence, typosquatting, email verification, and native bulk lookups — in Claude, Cursor, VS Code, LobeChat, or any MCP client.

This repository is the public listing home for the server. Distribution is via the hosted endpoint, npm, and Docker Hub; the implementation source is maintained privately by Whois API, Inc.

Hosted endpoint (no install)

Connect any remote-capable MCP client to the hosted server — authentication is via OAuth with your WhoisXML API key:

https://mcp-hosted.whoisxmlapi.com/mcp
{
  "mcpServers": {
    "whoisxmlapi": {
      "url": "https://mcp-hosted.whoisxmlapi.com/mcp"
    }
  }
}

Run locally

Requires a WhoisXML API key — get one at https://whoisxmlapi.com.

npm:

{
  "mcpServers": {
    "whoisxmlapi": {
      "command": "npx",
      "args": ["-y", "@whoisxmlapidotcom/mcp-whoisxmlapi"],
      "env": { "WHOISXMLAPI_TOKEN": "at_YOUR_KEY" }
    }
  }
}

Docker:

docker run -i --rm -e WHOISXMLAPI_TOKEN=at_YOUR_KEY whoisxmlapidotcom/mcp-whoisxmlapi

Tools (32)

Domain intelligence
ToolWhat it does
whoisCurrent WHOIS/RDAP registration data for a domain — registrar, dates, nameservers, status, contacts.
whois_historyFull timeline of WHOIS changes — ownership transfers, registrar moves, nameserver swaps.
domain_infoEnriched WHOIS profile combining current + historical records to fill redacted fields.
reverse_whoisEvery domain whose WHOIS record contains a free-text term (name, email, org, address).
reverse_whois_advancedField-specific WHOIS searches (e.g. RegistrantContact.Organization), up to 4 terms.
domain_reputation0–100 trust score from live infrastructure and configuration checks.
typosquattingCheck whether a domain belongs to a typosquatting group, or expand the full group.
categorizationClassify a domain into IAB Content Taxonomy v3.1 categories.
DNS & infrastructure
ToolWhat it does
dns_lookupCurrent DNS records — A, AAAA, MX, NS, SOA, TXT, CNAME, PTR, SRV, CAA, DS, DNSKEY, or all.
dns_historyHistorical DNS records (forward) or domains historically on an IP (reverse).
reverse_dnsSearch DNS records by pattern and return matching domains.
reverse_ipEvery domain currently pointing at an IP, with first-/last-seen dates.
reverse_mxEvery domain using a specific MX server.
reverse_nsEvery domain delegated to a specific nameserver.
subdomain_lookupEnumerate up to 10,000 known subdomains of a domain with seen timestamps.
domain_and_subdomain_discoveryNewly-registered domains/subdomains containing search terms (wildcards supported).
ssl_certificatesTLS certificate details — issuer, validity, SANs, chain trust.
IP intelligence
ToolWhat it does
ipgeolocationCountry, region, city, ISP, ASN for an IP, domain, or email.
ip_netblocksCIDR ranges, ASN, organisation, and registration dates for IP/ASN/org.
Threat & brand protection
ToolWhat it does
threat_intelligenceCheck a domain, URL, IP, CIDR, or file hash against malware/phishing/spam/botnet feeds.
brand_alertNewly added/dropped/updated domains containing brand terms — typosquat & lookalike monitoring.
registrant_alertNew/changed domains whose WHOIS registrant fields match search terms.
Email
ToolWhat it does
email_verificationSyntax, MX, and SMTP deliverability checks; flags disposable/role/free/catch-all.
disposable_email_checkBoolean verdict on disposable/temporary email providers.
Screenshots
ToolWhat it does
website_screenshotCapture a web page screenshot, returned as a native image content block.
Native bulk
ToolWhat it does
bulk_whoisWHOIS for up to 10,000 domains in one call (native bulk, async job_id if long-running).
bulk_email_verificationEmail verification for up to 10,000 addresses (native bulk, async if long-running).
bulk_dns_lookupDNS lookups for up to 200 domains, fanned out concurrently.
bulk_ip_geolocationIP geolocation for up to 200 IPs, fanned out concurrently.
bulk_subdomain_lookupSubdomain discovery for up to 200 apex domains.
bulk_job_statusProgress of an in-flight bulk job.
bulk_job_resultsFull per-input results of a completed bulk job.

Example prompts

  • "Look up the WHOIS for suspicious-domain.com and tell me if it's suspicious."
  • "Find all subdomains of example.com and check their DNS history."
  • "Check the threat intelligence reputation of 203.0.113.7 and what's hosted there."

© Whois API, Inc. · https://www.whoisxmlapi.com · Support: https://whoisxmlapi.com/contact-us

Questions fréquentes

Qu'est-ce que WhoisXML API MCP Server ?

34 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents via WhoisXML API.

Comment installer WhoisXML API MCP Server ?

Il fonctionne comme serveur distant. Dans Claude Code : claude mcp add --transport http whoisxml-api-mcp-server 'https://mcp-hosted.whoisxmlapi.com/mcp'. Pour les autres clients, collez la configuration JSON de cette page dans leurs réglages MCP.

Faut-il une clé API pour WhoisXML API MCP Server ?

Oui. Il attend WHOISXMLAPI_TOKEN, à renseigner dans sa configuration.

WhoisXML API MCP Server est-il open source ?

Son code est public sur GitHub, mais le dépôt ne déclare pas de licence standard.

Qui maintient WhoisXML API MCP Server ?

Il est publié par whoisxmlapi. AI.tn le référence sans le maintenir ni le recommander.

Issu du registre MCP officiel. Être listé n'est pas une recommandation : vérifiez le code et les permissions d'un serveur avant de lui donner accès à vos données.