calls_batch_create

Create multiple call records in a single request

SERVERHubSpot MCP SOURCEblacksand-software/hubspot-mcp

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/blacksand-software-hubspot-mcp/calls-batch-create.md

WHAT IT DOES

What calls_batch_create does on HubSpot MCP

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

RISK

Why calls_batch_create is rated Medium

The tool creates new call records in the HubSpot CRM system. This is a reversible write operation—records can be updated or deleted later. It does not execute arbitrary code, delete data irreversibly, or move money. The batch nature increases potential blast radius if misused to create many spurious records, justifying medium severity. High confidence due to explicit 'create' language in both name and description.

From the tool's definition Tool name includes 'create' and description states 'Create multiple call records in a single request', indicating data creation operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs calls_batch_create safely

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

calls_batch_create Rate-limited

calls_batch_create 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": {
    "calls_batch_create": {
      "limits": [
        {
          "counter": "calls_batch_create_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, apply this rule, and every calls_batch_create call is checked against it from then on.

FAQ

Questions about calls_batch_create

What does the calls_batch_create tool do? +

Create multiple call records in a single request. It is categorised as a Write tool in the HubSpot MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on calls_batch_create? +

Register the HubSpot MCP server in PolicyLayer and add a rule for calls_batch_create: 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. Nothing to install.

What risk level is calls_batch_create? +

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

Can I rate-limit calls_batch_create? +

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

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

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

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