emails_batch_update

Update multiple email 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/emails-batch-update.md

WHAT IT DOES

What emails_batch_update does on HubSpot MCP

AI agents use emails_batch_update 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_batch_update is rated Medium

This tool creates or modifies data reversibly without deleting records or executing arbitrary code. Batch updates are Write operations. Severity is medium because an agent misusing this could modify many email records simultaneously (affecting customer communications and CRM data integrity), but changes are reversible and do not result in data loss or financial impact.

From the tool's definition Tool name 'emails_batch_update' and description 'Update multiple email records in a single request' indicate modification of existing data. The batch operation allows updating multiple records simultaneously.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs emails_batch_update 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_batch_update, this is the rule to start with:

emails_batch_update Rate-limited

emails_batch_update 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_batch_update": {
      "limits": [
        {
          "counter": "emails_batch_update_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_batch_update call is checked against it from then on.

FAQ

Questions about emails_batch_update

What does the emails_batch_update tool do? +

Update multiple email 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 emails_batch_update? +

Register the HubSpot MCP server in PolicyLayer and add a rule for emails_batch_update: 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_batch_update? +

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

Can I rate-limit emails_batch_update? +

Yes. Add a rate_limit block to the emails_batch_update 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_batch_update completely? +

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

emails_batch_update 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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