AI agents call get_file_info to retrieve information from Mdfmcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and returns file metadata (information) without side effects. It does not create, modify, delete, or execute anything—it simply queries and returns data about an MDF measurement file. This is a classic Read operation with minimal security risk.
From the tool's definition Tool name 'get_file_info' and description 'Get detailed information about an MDF file' indicate a query/retrieval operation that returns metadata about a file without modification or execution.
Attacks that exploit this kind of access
Get detailed information about an MDF file. It is categorised as a Read tool in the Mdfmcp MCP Server, which means it retrieves data without modifying state.
Register the Mdf MCP server in PolicyLayer and add a rule for get_file_info: 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 Mdfmcp. Nothing to install.
get_file_info 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_file_info 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_file_info. 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_file_info is provided by the Mdf MCP server (shanko-26/mdfmcp). 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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