Force re-fetch box contents from Aarstiderne, bypassing cache
AI agents call refresh_box_contents to retrieve information from Mcp Veggie without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read operation that retrieves current box contents from an external service (Aarstiderne). While it bypasses cache, it does not create, modify, delete, or execute arbitrary commands. The only side effect is cache invalidation, which is a normal data retrieval pattern. No data is modified, destroyed, or financial transactions are initiated.
From the tool's definition Tool description states 'Force re-fetch box contents from Aarstiderne, bypassing cache' — this retrieves/queries data about vegetable box contents without modifying, deleting, or executing external operations. The action is a data refresh/fetch operation.
Attacks that exploit this kind of access
Force re-fetch box contents from Aarstiderne, bypassing cache. It is categorised as a Read tool in the Mcp Veggie MCP Server, which means it retrieves data without modifying state.
Register the Mcp Veggie MCP server in PolicyLayer and add a rule for refresh_box_contents: 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 Mcp Veggie. Nothing to install.
refresh_box_contents 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 refresh_box_contents 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 refresh_box_contents. 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.
refresh_box_contents is provided by the Mcp Veggie MCP server (lovettbarron/mcp-veggiebox). 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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