Public Suffix Extractor MCP Server for LangChainGive LangChain instant access to 1 tools to Extract Domain

Name: Public Suffix Extractor
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 Public Suffix Extractor 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 Public Suffix Extractor MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 1 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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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({
        "public-suffix-extractor": {
            "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 Public Suffix Extractor, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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About Public Suffix Extractor MCP Server

When an analytics agent processes URLs, it cannot guess that in app.vinkius.co.uk the TLD is .co.uk (not .uk). This MCP uses the official Mozilla Public Suffix List to fragment hostnames with 100% accuracy.

LangChain's ecosystem of 500+ components combines seamlessly with Public Suffix Extractor through native MCP adapters. Connect 1 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.

The Superpowers

Official List: Uses the same Public Suffix List maintained by Mozilla and used by every major browser.
Complex TLDs: Correctly handles .co.uk, .com.br, .org.au, .amazonaws.com, and 9,000+ other suffixes.

The Public Suffix Extractor MCP Server exposes 1 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 1 Public Suffix Extractor tools available for LangChain

When LangChain connects to Public Suffix Extractor through Vinkius, your AI agent gets direct access to every tool listed below — spanning url-parsing, tld-extraction, domain-analysis, 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.

extract

Extract domain on Public Suffix Extractor

The AI cannot reliably determine that the TLD of "app.vinkius.co.uk" is ".co.uk" (not ".uk"). This engine uses the official Mozilla Public Suffix List to fragment hostnames with 100% accuracy. Extracts the true root domain, TLD, subdomain, and SLD from any hostname using the official Mozilla Public Suffix List. Handles complex TLDs like .co.uk, .com.br correctly

Connect Public Suffix Extractor to LangChain via MCP

Follow these steps to wire Public Suffix Extractor 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 1 tools from Public Suffix Extractor via MCP

Why Use LangChain with the Public Suffix Extractor MCP Server

LangChain provides unique advantages when paired with Public Suffix Extractor through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine Public Suffix Extractor 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 Public Suffix Extractor queries for multi-turn workflows

Public Suffix Extractor + LangChain Use Cases

Practical scenarios where LangChain combined with the Public Suffix Extractor MCP Server delivers measurable value.

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

Autonomous research agents: LangChain agents query Public Suffix Extractor, synthesize findings, and generate comprehensive research reports

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

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

Example Prompts for Public Suffix Extractor in LangChain

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

"What is the root domain of app.vinkius.co.uk?"

"Extract the registrable domain from https://shop.example.com.br/products?id=1"

"Is mybucket.s3.amazonaws.com a registrable domain or a cloud subdomain?"

Troubleshooting Public Suffix Extractor MCP Server with LangChain

Common issues when connecting Public Suffix Extractor to LangChain through Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Public Suffix Extractor + LangChain FAQ

Common questions about integrating Public Suffix Extractor 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.