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HubSpot Developer Tooling

AI Tools for HubSpot Developers

Customize agents, automate workflows, and connect external systems—all within HubSpot’s AI-ready unified framework.

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AI-Assisted Development

Build HubSpot apps faster with AI coding tools. Now in Public Beta.

The Developer MCP Server gives you the power to create HubSpot apps using natural language. Download it through your CLI and start chatting with it in your preferred AI-powered code editor, like Claude Code or Cursor.

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Connect HubSpot Context to AI tools with MCP

The HubSpot MCP Server (remote) is now available. Unlock HubSpot data with a secure connection through the HubSpot MCP Server. With the hosted endpoint (mcp.hubspot.com), you can connect any compatible MCP client to create custom workflows and integrations with read and write access to CRM objects. Manage these connections via MCP Auth Apps (Beta) in the Developer Platform. 
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Build Agent Tools for Breeze Agents

Breeze Agents are HubSpot's AI agents — helping customers plan, decide, and act. Building Agent Tools gives your app a direct role in how HubSpot's AI helps customers get work done. By turning your product's capabilities into tools, you can make them instantly accessible inside Agent workflows. Tools are defined once and can be reused across multiple agents. Whether you need to send a contract for e-signature, register someone for an event, or sync customer notes into HubSpot, your tools work alongside HubSpot to give agents a richer set of actions to take on behalf of customers.

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Ready to Start Building AI-Powered Solutions?

Get API access and start building todaySee what you can extend and automate