AI agents call sg_acra_formations_by_ssic 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 queries Singapore government ACRA (Accounting and Corporate Regulatory Authority) public datasets to retrieve formation counts filtered by SSIC (Singapore Standard Industrial Classification) prefix. It is a read-only operation that aggregates existing public data without side effects, reversibility concerns, or external execution.
From the tool's definition Tool name contains 'get' operation pattern and description states it 'Count[s] ACRA corporate entity formations' - a data retrieval and aggregation operation with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Count ACRA corporate entity formations for a given SSIC prefix. 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_acra_formations_by_ssic: 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_acra_formations_by_ssic 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_acra_formations_by_ssic 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_acra_formations_by_ssic. 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_acra_formations_by_ssic 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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