Return NAS data/upload/evidence storage usage.
AI agents call get_storage_usage to retrieve information from Scifinder Route without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about storage without side effects. It is purely informational—querying disk space usage on a NAS system. No data is created, modified, deleted, or executed. This is a standard system monitoring operation with minimal risk even if misused, as it only exposes storage metrics.
From the tool's definition Tool description states it returns storage usage information without modifying data: 'Return NAS data/upload/evidence storage usage.' The verb 'return' and 'get_' prefix indicate a read-only query operation.
Attacks that exploit this kind of access
Return NAS data/upload/evidence storage usage. It is categorised as a Read tool in the Scifinder Route MCP Server, which means it retrieves data without modifying state.
Register the Scifinder Route MCP server in PolicyLayer and add a rule for get_storage_usage: 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 Scifinder Route. Nothing to install.
get_storage_usage 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 get_storage_usage 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 get_storage_usage. 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.
get_storage_usage is provided by the Scifinder Route MCP server (kettly1260/scifinder-route-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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