Get detailed nutrition information for a specific food.
AI agents call get_food_details to retrieve information from USDA Nutrition MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves nutritional data from the USDA FoodData Central database without creating, modifying, deleting, or executing operations. It is a straightforward read operation with no side effects. Severity is low because misuse (e.g., excessive queries) would not compromise data integrity or cause material harm.
From the tool's definition Tool name 'get_food_details' and description 'Get detailed nutrition information for a specific food' indicates data retrieval only.
Documented attack patterns abuse exactly the kind of access get_food_details gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and USDA Nutrition MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_food_details:
{
"version": "1",
"default": "deny",
"tools": {
"get_food_details": {}
}
}get_food_details is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get detailed nutrition information for a specific food. It is categorised as a Read tool in the USDA Nutrition MCP Server MCP Server, which means it retrieves data without modifying state.
Register the USDA Nutrition MCP Server MCP server in PolicyLayer and add a rule for get_food_details: 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 USDA Nutrition MCP Server. Nothing to install.
get_food_details 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_food_details 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_food_details. 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_food_details is provided by the USDA Nutrition MCP Server MCP server (zen-apps/mcp-nutrition-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from USDA Nutrition MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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6 USDA Nutrition MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.