HubSpot MCP Server for LangChainGive LangChain instant access to 12 tools to Create Contact, Get Company Info, Get Contact Details, and more
LangChain is the leading Python framework for composable LLM applications. Connect HubSpot through 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 App Connector for LangChain
The HubSpot app connector for LangChain is a standout in the Industry Titans category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
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({
"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 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 HubSpot MCP Server
Connect your HubSpot account to any AI agent and manage your entire CRM through natural conversation.
LangChain's ecosystem of 500+ components combines seamlessly with HubSpot through native MCP adapters. Connect 12 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
- Contact Management — List, create, search, and delete contacts with full property access
- Company Records — Browse and inspect companies with metadata and associations
- Deal Pipeline — List all deals with amounts, stages, and pipeline assignments, and inspect individual deal details
- Smart Search — Search contacts using HubSpot filter syntax for targeted queries
- Association Management — Link CRM objects together (Contact ↔ Company, Contact ↔ Deal, etc.)
- Schema Discovery — List all available properties for any object type (contacts, companies, deals, tickets)
- Pipeline Configuration — View all sales pipelines with stages and probabilities
- Team Management — List all HubSpot users and record owners
The HubSpot MCP Server exposes 12 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.
All 12 HubSpot tools available for LangChain
When LangChain connects to HubSpot through Vinkius, your AI agent gets direct access to every tool listed below — spanning contact-management, deal-pipelines, lead-nurturing, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Add new contact
Get company details
Get contact info
Get deal info
List fields
g. Contact to Company). Create association
List CRM companies
List CRM contacts
List sales deals
List record owners
Delete contact
Find contacts
Connect HubSpot to LangChain via MCP
Follow these steps to wire HubSpot into LangChain. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
pip install langchain langchain-mcp-adapters langgraph langchain-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
python agent.pyExplore tools
Why Use LangChain with the HubSpot MCP Server
LangChain provides unique advantages when paired with HubSpot through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine 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 HubSpot queries for multi-turn workflows
HubSpot + LangChain Use Cases
Practical scenarios where LangChain combined with the HubSpot MCP Server delivers measurable value.
RAG with live data: combine HubSpot tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query HubSpot, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain HubSpot tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every HubSpot tool call, measure latency, and optimize your agent's performance
Example Prompts for HubSpot in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with HubSpot immediately.
"Show all deals in the pipeline and the contacts associated with the highest-value one."
"Search for all contacts with @enterprise.com emails and create a new contact for the CEO."
"Show the sales pipelines, all HubSpot users, and the property schema for deals."
Troubleshooting HubSpot MCP Server with LangChain
Common issues when connecting HubSpot to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersHubSpot + LangChain FAQ
Common questions about integrating 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.