Clearbit (HubSpot) MCP Server for LangChain 8 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Clearbit (HubSpot) through the Vinkius and LangChain agents can call every tool natively — combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
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({
"clearbit-hubspot": {
"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 Clearbit (HubSpot), show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(main())
* 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 Clearbit (HubSpot) MCP Server
Connect your Clearbit (HubSpot) account to any AI agent and take full control of your B2B intelligence through natural conversation. Streamline how you research prospects and companies natively.
LangChain's ecosystem of 500+ components combines seamlessly with Clearbit (HubSpot) through native MCP adapters. Connect 8 tools via the 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
- Combined Enrichment — Enrich both person and company data simultaneously using a single email address natively
- Person Intelligence — Access detailed professional information including job titles and social profiles flawlessly
- Company Logistics — Retrieve firmographic data such as industry, size, and location using domain names securely
- Discovery Logistics — Search for new companies based on specific criteria like technology stack or revenue flawlessly
- Autocomplete Intelligence — Suggest company names and domains based on partial queries flawlessly
- Account Visibility — Retrieve core account and quota information directly within your workspace
The Clearbit (HubSpot) MCP Server exposes 8 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Clearbit (HubSpot) to LangChain via MCP
Follow these steps to integrate the Clearbit (HubSpot) MCP Server with LangChain.
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 8 tools from Clearbit (HubSpot) via MCP
Why Use LangChain with the Clearbit (HubSpot) MCP Server
LangChain provides unique advantages when paired with Clearbit (HubSpot) through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents — combine Clearbit (HubSpot) 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 Clearbit (HubSpot) queries for multi-turn workflows
Clearbit (HubSpot) + LangChain Use Cases
Practical scenarios where LangChain combined with the Clearbit (HubSpot) MCP Server delivers measurable value.
RAG with live data: combine Clearbit (HubSpot) tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Clearbit (HubSpot), synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Clearbit (HubSpot) tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Clearbit (HubSpot) tool call, measure latency, and optimize your agent's performance
Clearbit (HubSpot) MCP Tools for LangChain (8)
These 8 tools become available when you connect Clearbit (HubSpot) to LangChain via MCP:
autocomplete_company
Autocomplete company
find_company
Find company by domain
find_person
Find person by email
find_person_and_company
Find person & company
find_risk
Calculate risk
get_prospects
Get prospects
get_watchlist
Get watchlist companies
reveal_ip
Reveal IP address
Example Prompts for Clearbit (HubSpot) in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Clearbit (HubSpot) immediately.
"Enrich this email address: alex@clearbit.com"
"Show me firmographic data for 'segment.com'."
"Find SaaS companies in California with 100-500 employees."
Troubleshooting Clearbit (HubSpot) MCP Server with LangChain
Common issues when connecting Clearbit (HubSpot) to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersClearbit (HubSpot) + LangChain FAQ
Common questions about integrating Clearbit (HubSpot) MCP Server with LangChain.
How does LangChain connect to MCP servers?
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?
Can I trace MCP tool calls in LangSmith?
Connect Clearbit (HubSpot) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Clearbit (HubSpot) to LangChain
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.