How to Use the HubSpot Lead Creator MCP in OpenAI Agents SDK

Feed fresh leads from your OpenAI Agents SDK pipelines straight to HubSpot without manual data entry.

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Connect HubSpot Lead Creator MCP to OpenAI Agents SDK

Create your Vinkius account to connect HubSpot Lead Creator to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup HubSpot Lead Creator with OpenAI Agents SDK

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Auto-discover create_hubspot_lead for your agents

The `create_hubspot_lead` tool exposes its schema directly to your agent network using the standard MCP Server protocol. Your agent reads the required email field and optional details like name or phone number right from the chat transcript. It then invokes the tool without any manual mapping on your end. You configure this by importing `MCPServerStreamableHttp` from the SDK and passing it to your agent constructor. Setting `cacheToolsList=True` ensures your agents don't waste API calls fetching tool definitions repeatedly during high-volume chat runs. It's fast, and it works.

Run secure lead generation with SDK guardrails

The `create_hubspot_lead` tool operates under execution rules that you define at the SDK level. Before your agent writes a new email or phone contact to HubSpot, the SDK checks the payload against your custom validation rules. This blocks malformed entries before they hit your CRM. If the agent attempts to write an invalid email address, the validation layer halts the execution. You see the entire trace on your OpenAI dashboard, making it simple to debug failed payloads and adjust your agent's system prompts.

Pass lead context between specialized agents

The `create_hubspot_lead` tool integrates directly with multi-agent handoffs. Your triage agent handles the initial qualification, then hands the conversation to your sales agent. That sales agent captures the company name and phone number to execute the final write. This multi-agent setup keeps your code modular. One agent focuses on conversation while the other owns the CRM update, minimizing token usage and improving contact creation accuracy across your MCP network.

Setup guide

Set up HubSpot Lead Creator MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all HubSpot Lead Creator tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives HubSpot Lead Creator tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate HubSpot Lead Creator tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="HubSpot Lead Creator Agent",
            instructions="You have access to HubSpot Lead Creator tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about HubSpot Lead Creator MCP in OpenAI Agents SDK

Install the package using pip, then import the streamable HTTP server parameters. Pass your Vinkius endpoint URL to the server constructor and add it to the agent's server list. The SDK automatically registers the MCP Server.

Yes. You can control tool access by only passing the MCP instance to specific specialized agents in your pipeline. This keeps your triage agents focused on chatting while restricting CRM write access to your dedicated sales agents.

Yes. You initialize the server connection using an async context manager. This prevents your main application thread from blocking when writing new contacts to HubSpot during concurrent chat sessions.

The server only requires an email address to create a contact. If optional fields like company or phone are missing, the tool still creates the HubSpot contact with just the email.

All contact details, including emails, names, and phone numbers, pass through an isolated V8 sandbox hosted by Vinkius. No data is stored on our servers; it is transmitted directly to your HubSpot instance over encrypted channels and immediately wiped from memory.

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