Get comprehensive macro and micronutrient breakdown with all tracked nutrients.
AI agents call get_daily_macros to retrieve information from Myfitnesspal without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries nutritional data without side effects. No data is created, modified, deleted, or used to trigger external operations. The 'get_' prefix and context of a nutrition tracking service confirm read-only access pattern. Severity is low because misuse would only expose personal nutrition information, which while sensitive, carries minimal blast radius compared to other risk categories.
From the tool's definition Tool name 'get_daily_macros' and description 'Get comprehensive macro and micronutrient breakdown' indicate data retrieval only.
Attacks that exploit this kind of access
Get comprehensive macro and micronutrient breakdown with all tracked nutrients. It is categorised as a Read tool in the Myfitnesspal MCP Server, which means it retrieves data without modifying state.
Register the Myfitnesspal MCP server in PolicyLayer and add a rule for get_daily_macros: 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 Myfitnesspal. Nothing to install.
get_daily_macros 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_daily_macros 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_daily_macros. 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_daily_macros is provided by the Myfitnesspal MCP server (linares222/mcp-myfitnesspal). 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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