ura_private_rental_contracts
AI agents call ura_private_rental_contracts to retrieve information from OneMap MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to query or retrieve rental contract information from a public API, which is a read-only operation with no side effects. The empty description lowers confidence slightly, but the naming convention and server context (location/planning data access) indicate a data retrieval function rather than modification, execution, or destructive operation.
From the tool's definition Tool name 'ura_private_rental_contracts' suggests retrieval of rental contract data from Singapore's Urban Redevelopment Authority (URA).
Attacks that exploit this kind of access
ura_private_rental_contracts. It is categorised as a Read tool in the OneMap MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OneMap MCP Server MCP server in PolicyLayer and add a rule for ura_private_rental_contracts: 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 OneMap MCP Server. Nothing to install.
ura_private_rental_contracts 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 ura_private_rental_contracts 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 ura_private_rental_contracts. 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.
ura_private_rental_contracts is provided by the OneMap MCP Server MCP server (linzele/mcp-onemap). 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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