AI agents call property_expanded_profile to retrieve information from Attom without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves property information without creating, modifying, deleting, or executing external actions. It is classified as Read. Severity is medium rather than low because real estate data—including property valuations, ownership details, and financial assessments—is sensitive; unrestricted access could enable privacy violations, competitive intelligence abuse, or fraud targeting.
From the tool's definition Tool name and description indicate it 'Get[s] property expanded profile information' — a retrieval operation with no modification.
Attacks that exploit this kind of access
Get property expanded profile information. It is categorised as a Read tool in the Attom MCP Server, which means it retrieves data without modifying state.
Register the Attom MCP server in PolicyLayer and add a rule for property_expanded_profile: 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 Attom. Nothing to install.
property_expanded_profile 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 property_expanded_profile 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 property_expanded_profile. 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.
property_expanded_profile is provided by the Attom MCP server (nkbud/mcp-server-attom). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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