HubSpot CMS Hub MCP Server for LangChain 9 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect HubSpot CMS Hub 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 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({
"hubspot-cms-hub": {
"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 CMS Hub, 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 CMS Hub MCP Server
Connect HubSpot CRM to any AI agent — instant access to your full CRM data without switching tabs.
LangChain's ecosystem of 500+ components combines seamlessly with HubSpot CMS Hub through native MCP adapters. Connect 9 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
- Contacts — Search, create, and manage contacts
- Companies — Find companies by name or domain
- Deals — Search and create deals with pipeline tracking
- Tickets — Create and search support tickets
- Notes — Create notes attached to any CRM record
- Owners — View all owners and team assignments
- Pipelines — List deal and ticket pipeline stages
The HubSpot CMS Hub MCP Server exposes 9 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 HubSpot CMS Hub to LangChain via MCP
Follow these steps to integrate the HubSpot CMS Hub 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 9 tools from HubSpot CMS Hub via MCP
Why Use LangChain with the HubSpot CMS Hub MCP Server
LangChain provides unique advantages when paired with HubSpot CMS Hub through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine HubSpot CMS Hub 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 CMS Hub queries for multi-turn workflows
HubSpot CMS Hub + LangChain Use Cases
Practical scenarios where LangChain combined with the HubSpot CMS Hub MCP Server delivers measurable value.
RAG with live data: combine HubSpot CMS Hub tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query HubSpot CMS Hub, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain HubSpot CMS Hub tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every HubSpot CMS Hub tool call, measure latency, and optimize your agent's performance
HubSpot CMS Hub MCP Tools for LangChain (9)
These 9 tools become available when you connect HubSpot CMS Hub to LangChain via MCP:
hs_get_blog_post
Returns full post details including title, meta description, slug, body content length, author, featured image, publish date, and SEO settings. Use after listing/searching posts to drill into a specific article for complete details. Get the complete details of a specific HubSpot blog post by ID, including body content length and SEO metadata
hs_list_blog_authors
Returns author display name, URL slug, email, and bio. Authors are linked to blog posts for byline attribution. Use when the user asks about content contributors, wants to find an author profile, or needs author IDs for blog post creation. List blog authors configured in HubSpot CMS with name, email, slug, and biography
hs_list_blog_posts
Returns post title, URL slug, current state (draft/published/scheduled), author name, and publish date. Use when the user asks about blog content, wants to review recent articles, check publishing status, or audit the content calendar. List recent blog posts from HubSpot CMS with title, URL slug, publish status, author, and publish date
hs_list_blog_tags
Returns tag name and slug used for content categorization and URL generation. Blog tags group related posts for navigation and topic clustering. Use when the user asks about content categories, available tags, or wants to audit the blog taxonomy. List blog tags used for categorizing HubSpot blog content with tag name and URL slug
hs_list_domains
Returns domain name, whether DNS is resolving correctly, if the domain is primary, and which HubSpot features use it (CMS, email, landing pages). Use when the user asks about connected domains, DNS configuration, or wants to verify domain setup. List all domains connected to HubSpot with DNS resolution status, primary domain flag, and usage type
hs_list_landing_pages
Landing pages are standalone conversion-focused pages (signup forms, lead magnets, event registration). Returns page title, slug, status, and full URL. Distinct from regular site pages — landing pages are typically ungated and optimized for form fills. Use when the user asks about conversion pages or lead capture pages. List HubSpot landing pages designed for conversion with title, URL, publish status, and campaign association
hs_list_site_pages
Returns page title, URL slug, current state (draft/published), and associated domain. Site pages are standard website pages (About, Contact, Pricing, etc.) — distinct from blog posts and landing pages. Use when the user asks about website content, page inventory, or publishing status. List website pages hosted in HubSpot CMS with title, URL slug, publish status, and domain
hs_search_blog_posts
Returns matching posts with title, slug, status, and date. Use when the user wants to find a specific article, check if a topic has been covered, or locate a post for updating. Search HubSpot blog posts by title or keyword to find specific articles in the content library
hs_search_site_pages
Returns matching pages with title, slug, status, and domain. Use when the user wants to find a specific website page or check if a topic has a dedicated page. Search HubSpot site pages by title or keyword to find specific web pages
Example Prompts for HubSpot CMS Hub in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with HubSpot CMS Hub immediately.
"Search for contacts at Acme Corp"
"Create a deal: Enterprise Package $50,000"
"Show me the deal pipeline stages"
Troubleshooting HubSpot CMS Hub MCP Server with LangChain
Common issues when connecting HubSpot CMS Hub to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersHubSpot CMS Hub + LangChain FAQ
Common questions about integrating HubSpot CMS Hub 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 HubSpot CMS Hub 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 HubSpot CMS Hub to LangChain
Get your token, paste the configuration, and start using 9 tools in under 2 minutes. No API key management needed.