emails_create

Create a new email record

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/emails-create.md

WHAT IT DOES

What emails_create does on HubSpot MCP

AI agents use emails_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 emails_create is rated Medium

This tool creates new email records in HubSpot, which is a reversible write operation. While it modifies CRM data, the action can be undone by deleting the created record. Severity is medium because misuse could lead to spam, data pollution, or unwanted email records in the CRM, but does not involve deletion, code execution, or financial transactions.

From the tool's definition Tool name 'emails_create' and description 'Create a new email record' indicate creating/adding new data to the HubSpot CRM system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs emails_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 emails_create, this is the rule to start with:

emails_create Rate-limited

emails_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": {
    "emails_create": {
      "limits": [
        {
          "counter": "emails_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 emails_create call is checked against it from then on.

FAQ

Questions about emails_create

What does the emails_create tool do? +

Create a new email record. 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 emails_create? +

Register the HubSpot MCP server in PolicyLayer and add a rule for emails_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 emails_create? +

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

Can I rate-limit emails_create? +

Yes. Add a rate_limit block to the emails_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 emails_create completely? +

Set action: deny in the PolicyLayer policy for emails_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 emails_create? +

emails_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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