cronometer_get_daily_nutrition
AI agents call cronometer_get_daily_nutrition to retrieve information from FitnessMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves daily nutrition information from Cronometer. The 'get' prefix indicates a read-only query operation. Even with an empty description, the naming convention and context of similar sibling tools strongly suggest it queries nutritional data without side effects. The blast radius of misuse is minimal—an attacker could only access the user's nutrition history, not modify or delete it.
From the tool's definition Tool name 'cronometer_get_daily_nutrition' uses the verb 'get', which retrieves data without modification.
Attacks that exploit this kind of access
cronometer_get_daily_nutrition. It is categorised as a Read tool in the FitnessMCP MCP Server, which means it retrieves data without modifying state.
Register the Fitness MCP server in PolicyLayer and add a rule for cronometer_get_daily_nutrition: 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 FitnessMCP. Nothing to install.
cronometer_get_daily_nutrition 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 cronometer_get_daily_nutrition 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 cronometer_get_daily_nutrition. 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.
cronometer_get_daily_nutrition is provided by the Fitness MCP server (senoj100-alt/fitnessmcp). 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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