Get all properties for companies
AI agents call crm_get_company_properties to retrieve information from HubSpot MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves company property definitions/metadata from HubSpot's CRM without creating, modifying, or deleting any data. It has no destructive or operational side effects. As a straightforward data retrieval endpoint, it poses minimal risk when misused by an AI agent—the worst outcome would be exposure of property schema information, which is typically non-sensitive metadata.
From the tool's definition The tool name 'crm_get_company_properties' and description 'Get all properties for companies' indicate a retrieval operation with no side effects. The verb 'Get' combined with 'properties' (data attributes) confirms this is a read-only query operation.
Attacks that exploit this kind of access
Get all properties for companies. It is categorised as a Read tool in the HubSpot MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HubSpot MCP Server MCP server in PolicyLayer and add a rule for crm_get_company_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 Server. Nothing to install.
crm_get_company_properties is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the crm_get_company_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.
Set action: deny in the PolicyLayer policy for crm_get_company_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.
crm_get_company_properties 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.
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