crm_batch_update_leads

Update multiple leads 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/crm-batch-update-leads.md

WHAT IT DOES

What crm_batch_update_leads does on HubSpot MCP

AI agents use crm_batch_update_leads 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 crm_batch_update_leads is rated Medium

This tool modifies lead records in HubSpot CRM but does not permanently delete or destroy data (Write, not Destructive). It does not execute arbitrary code or external commands (not Execute). It does not move money (not Financial).

From the tool's definition Tool name 'batch_update' and description 'Update multiple leads in a single request' indicate reversible modification of data records. The batch operation capability amplifies the impact scope compared to single-record operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

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.

The button opens the PolicyLayer dashboard: create your workspace, connect HubSpot MCP, apply this rule, and every crm_batch_update_leads call is checked against it from then on.

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 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 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. 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 (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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