AI agents call get_backend_stats to retrieve information from Omni Fs without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata and statistics about backend systems without creating, modifying, deleting, or executing any operations. It is a pure information-gathering function with no side effects, fitting the 'Read' category. The low severity reflects minimal blast radius—querying stats cannot harm data or systems.
From the tool's definition Tool name 'get_backend_stats' and description 'Get statistics and information about the backend manager' indicate data retrieval with no modification or execution.
Attacks that exploit this kind of access
Get statistics and information about the backend manager. It is categorised as a Read tool in the Omni Fs MCP Server, which means it retrieves data without modifying state.
Register the Omni Fs MCP server in PolicyLayer and add a rule for get_backend_stats: 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 Omni Fs. Nothing to install.
get_backend_stats 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_backend_stats 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_backend_stats. 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_backend_stats is provided by the Omni Fs MCP server (vaayne/omni-fs-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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