hubspot_create_deal

Create a new deal in HubSpot. Use hubspot_get_pipelines to see available pipelines and stages.

SERVERHubSpot MCP Server SOURCEadeel0x01/hubspot-mcp-tools

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/adeel0x01-hubspot-mcp-tools/hubspot-create-deal.md

WHAT IT DOES

What hubspot_create_deal does on HubSpot MCP Server

AI agents use hubspot_create_deal to create or update resources in HubSpot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HubSpot MCP Server environment.

RISK

Why hubspot_create_deal is rated Medium

This tool creates a new deal object in HubSpot, which is a reversible write operation. While it modifies CRM state, deals can be deleted or archived, making it Write rather than Destructive.

From the tool's definition Tool name contains 'create' and description states 'Create a new deal in HubSpot'. This creates new data (a deal record) in the CRM system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hubspot_create_deal safely

PolicyLayer is an MCP gateway: it sits between your AI agents and HubSpot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hubspot_create_deal, this is the rule to start with:

hubspot_create_deal Rate-limited

hubspot_create_deal stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hubspot_create_deal": {
      "limits": [
        {
          "counter": "hubspot_create_deal_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect HubSpot MCP Server, apply this rule, and every hubspot_create_deal call is checked against it from then on.

FAQ

Questions about hubspot_create_deal

What does the hubspot_create_deal tool do? +

Create a new deal in HubSpot. Use hubspot_get_pipelines to see available pipelines and stages. It is categorised as a Write tool in the HubSpot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on hubspot_create_deal? +

Register the HubSpot MCP Server MCP server in PolicyLayer and add a rule for hubspot_create_deal: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches HubSpot MCP Server. Nothing to install.

What risk level is hubspot_create_deal? +

hubspot_create_deal is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit hubspot_create_deal? +

Yes. Add a rate_limit block to the hubspot_create_deal rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hubspot_create_deal completely? +

Set action: deny in the PolicyLayer policy for hubspot_create_deal. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hubspot_create_deal? +

hubspot_create_deal is provided by the HubSpot MCP Server MCP server (adeel0x01/hubspot-mcp-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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