AI agents call attom_avm_detail 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 real estate valuation (AVM) information from the ATTOM API. The verb 'Get' and context of querying property data confirm this is a read-only operation that queries existing data without side effects. Even though the data returned may be sensitive property information, the tool itself performs no writes, deletes, or executions.
From the tool's definition Tool name 'attom_avm_detail' and description 'Get ATTOM AVM detail information' indicate a retrieval operation. AVM (Automated Valuation Model) detail queries are read-only lookups of valuation data with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get ATTOM AVM detail 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 attom_avm_detail: 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.
attom_avm_detail 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 attom_avm_detail 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 attom_avm_detail. 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.
attom_avm_detail 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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