Search for properties with basic property information (default: 15, max: 50 for free tier) including city, state, bedrooms, bathrooms, square footage, lot size, and year built. Note: Price data may not be available for all properties.
AI agents call search_properties to retrieve information from Rentcast MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only search/query operation that retrieves property information from the Rentcast API. It has no side effects, does not modify or delete data, and does not execute arbitrary code or move money. The blast radius of misuse is minimal—an attacker could enumerate properties or gather market intelligence, but cannot cause irreversible harm, financial loss, or system compromise.
From the tool's definition Tool description states it "search[es] for properties with basic property information" including non-sensitive attributes like city, state, bedrooms, bathrooms, square footage, lot size, and year built.
Attacks that exploit this kind of access
Search for properties with basic property information (default: 15, max: 50 for free tier) including city, state, bedrooms, bathrooms, square footage, lot size, and year built. Note: Price data may not be available for all properties. It is categorised as a Read tool in the Rentcast MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Rentcast MCP Server MCP server in PolicyLayer and add a rule for search_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 Rentcast MCP Server. Nothing to install.
search_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 search_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 search_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.
search_properties is provided by the Rentcast MCP Server MCP server (tandat8503/mcp_rentcast). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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