create_company · HubSpot MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_company does on HubSpot MCP Server

AI agents use create_company 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.

WHY IT NEEDS A POLICY

Why create_company needs a policy

The tool creates new records in HubSpot's CRM database. While creation is reversible (the company record can be updated or removed), this represents a Write category action—data modification without permanent destruction. Severity is medium because misuse could pollute the CRM with fake/unwanted company records, but the impact is scoped to CRM data and reversible.

From the tool's definition Tool name 'create_company' and description 'Create a new company in HubSpot CRM' explicitly indicate data creation. This is a reversible write operation (companies can be modified or deleted later).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_company Rate-limited

create_company 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": {
    "create_company": {
      "limits": [
        {
          "counter": "create_company_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches HubSpot MCP Server, so you can run agents against it safely.

FAQ

Questions about create_company

What does the create_company tool do? +

Create a new company in HubSpot CRM. 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 create_company? +

Register the HubSpot MCP Server MCP server in PolicyLayer and add a rule for create_company: 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 create_company? +

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

Can I rate-limit create_company? +

Yes. Add a rate_limit block to the create_company 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 create_company completely? +

Set action: deny in the PolicyLayer policy for create_company. 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 create_company? +

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