AI agents call sg_ura_private_txn_history to retrieve information from Sgdata without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches historical real estate transaction volume data from Singapore's Urban Redevelopment Authority (URA). It performs a data retrieval operation with no side effects, reversible modifications, code execution, destructive actions, or financial transactions. The operation is purely informational and read-only.
From the tool's definition Tool name and description indicate it retrieves 'URA private residential transaction volumes over time' - a query operation that accesses historical transaction data without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
URA private residential transaction volumes over time,. It is categorised as a Read tool in the Sgdata MCP Server, which means it retrieves data without modifying state.
Register the Sgdata MCP server in PolicyLayer and add a rule for sg_ura_private_txn_history: 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 Sgdata. Nothing to install.
sg_ura_private_txn_history 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 sg_ura_private_txn_history 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 sg_ura_private_txn_history. 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.
sg_ura_private_txn_history is provided by the Sgdata MCP server (sypherin/sgdata-mcp). 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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