Low Risk

crm_list_objects

List CRM objects of a specific type with optional filtering and pagination

How to control crm_list_objects ↓

AI agents call crm_list_objects to retrieve information from HubSpot MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

This tool retrieves and queries CRM data without side effects. The verb 'list' combined with 'filtering and pagination' describes a standard read operation that returns existing data. No creation, modification, deletion, or execution of code is mentioned. While the data retrieved could be sensitive (CRM information), the tool itself poses minimal risk as it merely queries and returns information.

From the tool's definition Tool name 'crm_list_objects' and description 'List CRM objects of a specific type with optional filtering and pagination' indicate data retrieval with no modification capability.

Documented attack patterns abuse exactly the kind of access crm_list_objects gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and HubSpot MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for crm_list_objects:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "crm_list_objects": {}
  }
}

crm_list_objects is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register HubSpot MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the crm_list_objects tool do? +

List CRM objects of a specific type with optional filtering and pagination. It is categorised as a Read tool in the HubSpot MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crm_list_objects? +

Register the HubSpot MCP server in PolicyLayer and add a rule for crm_list_objects: 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_list_objects? +

crm_list_objects is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit crm_list_objects? +

Yes. Add a rate_limit block to the crm_list_objects 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_list_objects completely? +

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

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

Enforce policy on every HubSpot MCP tool call.

Deterministic rules across all 112 HubSpot MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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112 HubSpot MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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