crm_batch_update_leads · HubSpot MCP Server MCP

WHAT IT DOES

What crm_batch_update_leads does on HubSpot MCP Server

AI agents use crm_batch_update_leads 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 crm_batch_update_leads needs a policy

This tool creates or modifies lead data reversibly (classic Write category). Severity is high due to batch operation affecting multiple records simultaneously with potential business impact on CRM data integrity and lead management workflows. A misused batch update could corrupt or overwrite critical lead information, though changes are theoretically reversible via audit logs or manual correction.

From the tool's definition Tool name 'crm_batch_update_leads' explicitly indicates batch update operations on lead records. Description states it updates 'multiple leads in a single request', confirming modification of existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

crm_batch_update_leads Rate-limited

crm_batch_update_leads 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": {
    "crm_batch_update_leads": {
      "limits": [
        {
          "counter": "crm_batch_update_leads_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 crm_batch_update_leads

What does the crm_batch_update_leads tool do? +

Update multiple leads in a single request. 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 crm_batch_update_leads? +

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

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

Can I rate-limit crm_batch_update_leads? +

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

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

crm_batch_update_leads is provided by the HubSpot MCP Server MCP server (kozo93/hubspot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.