AI agents call get_today_meals to retrieve information from Yazio MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves meal log data from Yazio without creating, modifying, deleting, or executing any operations. It has no side effects beyond data retrieval. The blast radius of misuse is minimal—an agent could only gain access to the user's personal meal log information, which is a confidentiality concern but not operationally dangerous.
From the tool's definition Tool name 'get_today_meals' and description 'Return every meal item logged' indicate retrieval of logged data with no modification capability.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Return every meal item logged in YAZIO for today. It is categorised as a Read tool in the Yazio MCP MCP Server, which means it retrieves data without modifying state.
Register the Yazio MCP server in PolicyLayer and add a rule for get_today_meals: 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 Yazio MCP. Nothing to install.
get_today_meals 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_today_meals 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_today_meals. 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_today_meals is provided by the Yazio MCP server (psilolouben/yazio_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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