AI agents call get_last_available_month to retrieve information from Md24de without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve or query available month data from the messdienst24.de utility portal without modifying state. This is consistent with a read operation that provides metadata to support other reporting functions. Low severity reflects that it only exposes temporal availability data.
From the tool's definition Tool name 'get_last_available_month' suggests retrieval of metadata about available reporting periods; sibling tools include 'get_consumption_report' (read) and 'save_pdf' (write). No description provided, but naming pattern indicates query/lookup operation.
Attacks that exploit this kind of access
get_last_available_month. It is categorised as a Read tool in the Md24de MCP Server, which means it retrieves data without modifying state.
Register the Md24de MCP server in PolicyLayer and add a rule for get_last_available_month: 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 Md24de. Nothing to install.
get_last_available_month 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_last_available_month 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_last_available_month. 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_last_available_month is provided by the Md24de MCP server (volsch/md24de-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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