Bring Data Enrichment
to LangChain
Create your Vinkius account to connect Clearbit (HubSpot) to LangChain and start using all 8 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the 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.
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
How it works
- Subscribe to this server
- Enter your Clearbit API Key (obtained from your dashboard)
- Start enriching your B2B data from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Sales Development (SDRs) — research prospects and verify company details using natural language
- Marketing Teams — automate lead enrichment and segment audiences without opening the dashboard
- Account Executives — quickly look up stakeholder profiles and firmographics straight from their chat interface
- Operations Teams — verify API usage and monitor enrichment data quality
Built-in capabilities (8)
Autocomplete company
Find company by domain
Find person by email
Find person & company
Calculate risk
Get prospects
Get watchlist companies
Reveal IP address
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Clearbit (HubSpot) through native MCP adapters. Connect 8 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 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) in LangChain
Why run Clearbit (HubSpot) with Vinkius?
The Clearbit (HubSpot) connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 8 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Clearbit (HubSpot) using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Clearbit (HubSpot) and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Clearbit (HubSpot) to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Clearbit (HubSpot) for LangChain
Every request between LangChain and Clearbit (HubSpot) is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Can I find the LinkedIn profile of an email address through the agent?
Yes! Use the enrich_person_details tool. The agent will return professional social links, including LinkedIn, Twitter, and others, if available in the Clearbit database.
How do I see the estimated revenue and size of a company?
Use the enrich_company_details tool with the company domain. Your agent will fetch firmographic data, including employee count and estimated annual revenue.
Where do I find my Clearbit API Key?
Log in to your Clearbit dashboard and go to the API section. You can copy your Secret API Key from there. (Note: Standalone keys are being moved to HubSpot Breeze Intelligence).
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.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
Explore More MCP Servers
View all →
WooCommerce Alternative
10 toolsManage your WooCommerce store — audit products, orders, and reports via AI.

Pylon
11 toolsAutomate B2B support and CRM via Pylon — manage issues, accounts, and knowledge bases with AI.

Discord Webhook Notifier
1 toolsThis MCP does exactly one thing: it sends messages to your Discord channels. That's its only function, and nothing else. Zero friction, incredible for giving your AI agents a voice.

Qdrant
7 toolsEmpower your AI to interact directly with your Qdrant vector database — query clusters, perform similarity searches, and manage collections effortlessly.
