Calculate a nutrition quality score (0–100) for a day
AI agents call nutrition_score to retrieve information from NutriBalance without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads nutritional input data and performs calculations to produce a score. It has no side effects, creates no data modifications, executes no external code, and poses no destructive or financial risk.
From the tool's definition Tool description states 'Calculate a nutrition quality score' which is a purely computational/analytical operation that 'retrieves' nutritional assessment data without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
Calculate a nutrition quality score (0–100) for a day. It is categorised as a Read tool in the NutriBalance MCP Server, which means it retrieves data without modifying state.
Register the NutriBalance MCP server in PolicyLayer and add a rule for nutrition_score: 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 NutriBalance. Nothing to install.
nutrition_score 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 nutrition_score 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 nutrition_score. 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.
nutrition_score is provided by the NutriBalance MCP server (thenutritrackerapp-creator/nutribalance-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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