crm_get_contact_properties

Get all properties for contacts

SERVERHubSpot MCP SOURCEblacksand-software/hubspot-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/blacksand-software-hubspot-mcp/crm-get-contact-properties.md

WHAT IT DOES

What crm_get_contact_properties does on HubSpot MCP

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

RISK

Why crm_get_contact_properties is rated Low

This tool retrieves contact property definitions/schema from HubSpot CRM. It is a non-destructive, read-only query operation that returns information about available contact fields. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal—an agent could only retrieve metadata about contact properties, not access actual contact records or perform side effects.

From the tool's definition Tool name 'crm_get_contact_properties' combined with description 'Get all properties for contacts' indicates a retrieval operation that queries contact metadata without modifying or deleting data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

crm_get_contact_properties Allowed

crm_get_contact_properties is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "crm_get_contact_properties": {}
  }
}

ALLOW ONLY 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_get_contact_properties call is checked against it from then on.

FAQ

Questions about crm_get_contact_properties

What does the crm_get_contact_properties tool do? +

Get all properties for contacts. 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_get_contact_properties? +

Register the HubSpot MCP server in PolicyLayer and add a rule for crm_get_contact_properties: 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_get_contact_properties? +

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

Can I rate-limit crm_get_contact_properties? +

Yes. Add a rate_limit block to the crm_get_contact_properties 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_get_contact_properties completely? +

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

crm_get_contact_properties 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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