WhoisLookup
Domain WHOIS, DNS records, SSL certificates, and availability checks.
MCP server · by therealMrFunGuy
About
WhoisLookup is an MCP server published by therealMrFunGuy. Marketplaces we read that list it: 1 (Official MCP Registry). We first saw it on 2026-10-11 and have recorded no change since. As of our marketplace pass on 2026-10-13.
What it asks for
- Runs remotely
None of the marketplaces we read publishes its tools or the settings it asks for.
Requires: X-API-Key header
What it declares, asks for and runs, in full
Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.
Works with
- Claude Code
- Cursor
- VS Code
- Copilot CLI
A one-click link opens the client, which asks you to confirm before it adds the server.
From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.
Connect
Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.
As a remote MCP server
Built from what Official MCP Registry declares.
claude mcp add --transport sse whois-lookup https://whois.rjctdlabs.xyz/sse --header "X-API-Key: <YOUR_X_API_KEY>"{
"mcpServers": {
"whois-lookup": {
"url": "https://whois.rjctdlabs.xyz/sse",
"headers": {
"X-API-Key": "<YOUR_X_API_KEY>"
}
}
}
}The endpoint speaks SSE. Codex connects to STDIO and streamable HTTP servers only, so it has no config here.
Replace the values in angle brackets with your own. We show the names of the settings, never values.
Where it is published
| Marketplace | Status | Version | Figures | Verified | First seen |
|---|---|---|---|---|---|
| Official MCP Registry (Open the registry record) | Listed | 1.0.0 | No figure published | Not marked |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
What changed
Nothing has moved on this plugin since we started watching it.
Similar plugins
Products whose own names, descriptions, tools and skills are closest in meaning to this one, on every marketplace we read. Closeness is ranked within this list only.
-
WHOIS, DNS, SSL, and domain availability lookups for AI assistants
-
web-network-tools io.github.erikirby/web-network-tools
DNS lookup, WHOIS, SSL checker, and HTTP status tools. Uses public APIs only, no scraping.
-
dns io.github.ofershap/dns
MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config
-
network io.github.rog0x/network
DNS, IP info, SSL, WHOIS, ping for AI agents
-
whois-mcp-server io.github.cyanheads/whois-mcp-server
Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS.
-
WhoisXML MCP — wraps WhoisXML API (whoisxmlapi.com)
-
WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain.
-
Check domain name availability via RDAP. Single, bulk, and smart suggestions. No API key needed.
-
29 pay-per-call DNS, SEO, SSL, security, and dev tools for AI agents. x402, no API key.
-
Check domain availability across 500+ TLDs. Single and bulk checks with UI.
Similar plugins by marketplace
The same question asked of one marketplace at a time: is there an analog of this plugin there?
Has a listing on Claude Code: claude-plugins-community (5)
-
Monitor and manage a Linux VPS running WordPress, PM2 services, and Nginx. Checks service health, analyses Nginx logs for AI crawler activity, verifies backups, manages redirects…
-
Ask your AI coding agent if a domain is free — and get a real answer. Works for any TLD, including .de / .eu / .at / .ch where most checkers give up. Plugin for Claude Code. Pure…
-
agent-discover io.github.keshrath/agent-discover
Find, install and enable MCP servers mid-session on any host, with consent and tool pinning
-
Convert MCP servers to token-efficient CLI tools with auto-generated SKILL.md files for Claude Code agents
-
Stop wasting tokens on things free APIs can answer instantly. A cross-platform MCP server that turns public APIs into clean, agent-ready tools.
Has a listing on Claude Code: claude-plugins-official (5)
-
Dynatrace observability skills: DQL query patterns, application and infrastructure monitoring, log analysis, problem investigation, and incident response workflows, with the…
-
Connect Claude to a private MCP server through an Anthropic MCP tunnel. The /create-docker-mcp-tunnel command drives the Docker Compose quickstart end to end: certificates, proxy…
-
Deploy, manage and monitor your Hostinger services directly from Claude Code. The plugin connects Claude to Hostinger's remote MCP server, so you can ship sites and apps, manage…
-
Skills for the Cloudflare developer platform: Workers, Durable Objects, Agents SDK, MCP servers, Wrangler CLI, and web performance.
-
Search companies and contacts, enrich leads, find lookalikes, and get AI-ranked contact recommendations. Pre-built skills chain multiple ZoomInfo tools into complete B2B sales…
Has a listing on Claude: knowledge-work-plugins (5)
-
Deploy, manage and monitor your Hostinger services directly from Claude Code. The plugin connects Claude to Hostinger's remote MCP server, so you can ship sites and apps, manage…
-
Search companies and contacts, enrich leads, find lookalikes, and get AI-ranked contact recommendations. Pre-built skills chain multiple ZoomInfo tools into complete B2B sales…
-
Use Datadog directly in Claude Code through a preconfigured Datadog MCP server. Query logs, metrics, traces, dashboards, and more through natural conversation. This plugin is in…
-
Hosted MCP server for AI-assisted Grafana Cloud observability — no local installation required.
-
Deploy, debug, and monitor applications on Render. Includes skills, an agent, slash commands, and a render.yaml validation hook.
Has a listing on Codex: openai-curated (openai/plugins) (5)
-
Cloudflare platform plugin with curated skills for Workers, Wrangler, and Agents SDK plus the official Cloudflare API MCP server.
-
Available for US1 customers only. Analyze, investigate, and act on your Datadog telemetry directly from ChatGPT using natural language. Ask questions about your production…
-
Codex Security workflows for security scans, analysis, and investigation.
-
CrowdStrike Falcon Foundry development skills for building cybersecurity applications on the Falcon platform. Includes UI development, collections, functions, workflows, API…
-
CrowdStrike Falcon Fusion skills for authoring, deploying, and executing Fusion workflows. Includes live action discovery, YAML authoring with schema validation, workflow import…
Has a listing on Community GitHub marketplaces (5)
-
cybersec-toolkit io.github.26zl/cybersec-toolkit
Authorization-gated MCP server to discover and run 670+ security tools for CTF, pentest, and DFIR.
-
HTTP/REST client with saved collections, env secrets, and SSRF-safe host allowlisting.
-
4da-mcp-server io.github.4DA-Systems/4da-mcp-server
Upgrade intelligence for AI agents: what an upgrade changes, where it touches your code, CVE scans.
-
Dynatrace observability skills: DQL query patterns, application and infrastructure monitoring, log analysis, problem investigation, and incident response workflows, with the…
-
Your agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.
Has a listing on Copilot CLI: github/awesome-copilot (5)
-
Interactive GitHub Copilot canvas for discovering, connecting, and managing hosted MCP servers from an Azure Connector Namespace.
-
Safe BLE diagnostics, evidence workflows, and guarded automation for AI agents.
-
Use Datadog directly in Copilot / VS Code through a preconfigured Datadog MCP server. Query logs, metrics, traces, dashboards, and more through natural conversation.
-
Transform Claude into an Azure expert. This plugin integrates the Azure MCP server and specialized Azure skills to move beyond generic advice. It enables Claude to perform…
-
Vercel deployment platform integration. Manage deployments, check build status, access logs, configure domains, and control your frontend infrastructure directly from Claude Code.
Has a listing on Copilot CLI: github/copilot-plugins (5)
-
Toolkit for building Microsoft 365 Copilot declarative agents — scaffolding, JSON manifest development, and capability configuration.
-
Advanced Security plugin for GitHub Copilot.
-
Build Power Apps Canvas Apps using the Canvas Authoring MCP server.
-
mcp-apps
Generate MCP App widgets for MCP tools. Produces self-contained HTML widgets using the MCP Apps protocol.
-
workiq
Query Microsoft 365 data with natural language — emails, meetings, documents, Teams messages, and more.
Has a listing on Cursor: cursor/plugins (5)
-
Brainstorm domain names and check availability.
-
playwright-mcp io.github.microsoft/playwright-mcp
Playwright Tools for MCP
-
Browse and automate the web with TinyFish: run multi-step web automations, search the web, extract clean page content, and drive remote stealth browser sessions.
-
Analyze website traffic, audiences, and competitors.
-
CLI-backed repo compatibility scans plus agents that audit startup, validation, and docs against reality.
Has a listing on Docker MCP Catalog (5)
-
The Official Model Context Protocol (MCP) server for Kagi Search & other tools.
-
Access the latest documentation on Cloudflare products such as Workers, Pages, R2, D1, KV.
-
hostinger-api-mcp io.github.hostinger/hostinger-api-mcp
MCP server for Hostinger API
-
MCP server for Shodan — host/network recon, CVE and exploit lookup, InternetDB, and persistent alerts (34 tools).
-
Give your AI agents trusted access to the full Postman platform.
Has a listing on Official MCP Registry (5)
-
WHOIS, DNS, SSL, and domain availability lookups for AI assistants
-
web-network-tools io.github.erikirby/web-network-tools
DNS lookup, WHOIS, SSL checker, and HTTP status tools. Uses public APIs only, no scraping.
-
dns io.github.ofershap/dns
MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config
-
network io.github.rog0x/network
DNS, IP info, SSL, WHOIS, ping for AI agents
-
whois-mcp-server io.github.cyanheads/whois-mcp-server
Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS.
Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.
Is this your plugin?
Add it to your projects and prove you maintain it with a file in its repository, a file on your domain or a DNS record. You get alerts when a marketplace lists it, drops it, changes its verified mark or what it asks for, and its remote endpoint goes on monitoring as a web service.
Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.