lookup_food_barcode
Look up a food product by UPC/EAN barcode (Open Food Facts). Returns nutrition, ingredients, brand. Use for grocery, dietary, or scanning agents. Example call: {"barcode": "737628064502"} Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/io-github-colinhughes2121-gocreative-agent-api/lookup-food-barcode.md
What lookup_food_barcode does on GoCreative Agent API
AI agents call lookup_food_barcode to retrieve information from GoCreative Agent API without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
barcode | string | Yes |
Parameters from the server's own tool schema.
Why lookup_food_barcode is rated Low
This tool performs a simple data retrieval operation—looking up publicly available food product information by barcode identifier. It has no side effects, cannot modify data, execute code, delete records, or commit financial transactions. The low cost ($0.005–$0.05 per call) and straightforward lookup purpose further confirm it is a benign Read operation.
From the tool's definition Tool name 'lookup_food_barcode' and description 'Look up a food product by UPC/EAN barcode... Returns nutrition, ingredients, brand' indicates a read-only query operation that retrieves product data from Open Food Facts without modifying or executing anything.
Attacks that exploit this kind of access
The rule that runs lookup_food_barcode safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GoCreative Agent API, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For lookup_food_barcode, this is the rule to start with:
lookup_food_barcode is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GoCreative Agent API, apply this rule, and every lookup_food_barcode call is checked against it from then on.
Questions about lookup_food_barcode
Look up a food product by UPC/EAN barcode (Open Food Facts). Returns nutrition, ingredients, brand. Use for grocery, dietary, or scanning agents. Example call: {"barcode": "737628064502"} Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the GoCreative Agent API MCP Server, which means it retrieves data without modifying state.
lookup_food_barcode accepts 1 parameter: barcode. Required: barcode. The full parameter table on this page comes from the server's own tool schema.
Register the GoCreative Agent API MCP server in PolicyLayer and add a rule for lookup_food_barcode: 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 GoCreative Agent API. Nothing to install.
lookup_food_barcode 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 lookup_food_barcode 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 lookup_food_barcode. 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.
lookup_food_barcode is provided by the GoCreative Agent API MCP server (https://api.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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