MCP server

ipv4.fr Network Tools Official

fr.ipv4/network-tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc.

Working at last checkVerified publisher: ipv4.frAbout 994 tokens per request once connected9 tools

https://ipv4.fr/mcp

At a glance

Type: MCP server
Publisher: ipv4.fr (verified by the MCP Registry)
Status: Working at last check
Tools: 9
Token cost: About 994 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

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 network-tools https://ipv4.fr/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.network-tools]
url = "https://ipv4.fr/mcp"

Gemini CLI

{"mcpServers":{"network-tools":{"httpUrl":"https://ipv4.fr/mcp"}}}

Cursor

{"mcpServers":{"network-tools":{"url":"https://ipv4.fr/mcp"}}}

VS Code

{"servers":{"network-tools":{"type":"http","url":"https://ipv4.fr/mcp"}}}

Antigravity

agy mcp add network-tools https://ipv4.fr/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":"network-tools","server_url":"https://ipv4.fr/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"network-tools","server_url":"https://ipv4.fr/mcp"}

dns_lookup ~126 tokens
DNS records for a domain (A, AAAA, MX, TXT, NS by default; also CNAME, SOA).
domain_audit ~167 tokens
AI security audit of a domain: DNS, SPF, DMARC, TLS, HTTP security headers, WHOIS expiry and IP blacklists, returned as a 0-100 score, findings by severity and exact fixes. Requires a paid ipv4.fr API key (X-Api-Key header); uses 10 requests of the daily limit. Without a key, pay per call with x402
email_validate ~103 tokens
Validate an email address: syntax, MX records, SMTP check, disposable and role-based detection.
http_headers ~104 tokens
HTTP response headers and status of a public URL (HEAD request, redirects followed and checked).
ip_blacklist ~92 tokens
Check an IPv4 address against 3 DNS blacklists (Barracuda, SpamCop, UCEPROTECT).
ip_geolocation ~92 tokens
Geolocation of an IP address: country, city, ISP, coordinates, timezone.
ssl_check ~108 tokens
TLS certificate of a host: validity, issuer, expiry, days remaining, SAN.
subnet_calc ~103 tokens
IPv4 subnet calculator from CIDR: network, broadcast, netmask, wildcard, host range, host count.
whois ~99 tokens
WHOIS registration data for a domain: registrar, creation and expiry dates, name servers.

GeekVault
51 tools para agentes de IA, pagadas por llamada via x402 (USDC/Base). Sin cuentas ni keys.
HackMyIP — no-key IP intelligence
Free no-key IP intelligence: geolocation, VPN detection, DNS, WHOIS, blacklists, breach checks
Getapi
Nederlandse overheids- en registerdata via MCP: KVK, BAG, energielabel, kenteken, DSO en meer.
wwhois.ru domain tools
WHOIS/RDAP lookup, IP geolocation and Punycode conversion. 1400+ TLDs incl. IDN. No API key.
DeriveAI x402 APIs
25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)
Abundance Apis
Try 26 utility REST APIs keylessly: NAICS classification, IP geo, email validation, currency.
ProWebLook
19 tools for phone, WhatsApp, email, caller ID, IP geo, blacklist, scraping & SERP
mcp-toolbelt
29 pay-per-call DNS, SEO, SSL, security, WHOIS, mail, and AI tools for AI agents. x402, no API key.

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