WhoisXML MCP Server for LangChainGive LangChain instant access to 4 tools to Check Domain Availability, Get Ip Geolocation, Get Whois Record, and more

Name: WhoisXML
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect WhoisXML through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

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The WhoisXML MCP Server for LangChain is a standout in the Fort Knox category — giving your AI agent 4 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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ChatGPT

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+ other MCP clients

python

import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "whoisxml": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using WhoisXML, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About WhoisXML MCP Server

Connect the WhoisXML API to your AI agent to perform deep network reconnaissance and data validation through natural language.

LangChain's ecosystem of 500+ components combines seamlessly with WhoisXML through native MCP adapters. Connect 4 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

What you can do

WHOIS Lookups — Retrieve parsed and raw registration data, including registrar info and creation dates for any domain.
IP Geolocation — Instantly identify the country, city, ISP, and coordinates of any IP address.
Email Verification — Validate email syntax, check MX records, and detect disposable addresses to ensure data quality.
Domain Availability — Perform lightweight checks to see if a domain name is available for registration.

The WhoisXML MCP Server exposes 4 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 4 WhoisXML tools available for LangChain

When LangChain connects to WhoisXML through Vinkius, your AI agent gets direct access to every tool listed below — spanning domain-intelligence, whois, ip-geolocation, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

check

Check domain availability on WhoisXML

Check if a domain name is available for registration

get

Get ip geolocation on WhoisXML

Get location data for an IP address

get

Get whois record on WhoisXML

Get parsed and raw WHOIS data for a domain

verify

Verify email on WhoisXML

Check if an email address is valid and exists

Connect WhoisXML to LangChain via MCP

Follow these steps to wire WhoisXML into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 4 tools from WhoisXML via MCP

Why Use LangChain with the WhoisXML MCP Server

LangChain provides unique advantages when paired with WhoisXML through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine WhoisXML MCP tools with 500+ LangChain components

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

Memory and conversation persistence let agents maintain context across WhoisXML queries for multi-turn workflows

WhoisXML + LangChain Use Cases

Practical scenarios where LangChain combined with the WhoisXML MCP Server delivers measurable value.

RAG with live data: combine WhoisXML tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query WhoisXML, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain WhoisXML tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every WhoisXML tool call, measure latency, and optimize your agent's performance

Example Prompts for WhoisXML in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with WhoisXML immediately.

"Get the WHOIS record for google.com."

"Where is the IP address 8.8.8.8 located?"

"Verify if the email test@example.com is valid."

Troubleshooting WhoisXML MCP Server with LangChain

Common issues when connecting WhoisXML to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

WhoisXML + LangChain FAQ

Common questions about integrating WhoisXML MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.