List all product custom fields with pagination support
AI agents call tiendanube_list_product_custom_fields to retrieve information from Tienda Nube MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves product custom field metadata with pagination support. It is a read-only operation that does not create, modify, delete, or execute any changes to data. The low severity reflects minimal risk even if an AI agent misuses it; the worst outcome would be unauthorized information disclosure of custom field definitions.
From the tool's definition Tool name contains 'list' and description states 'List all product custom fields' — a retrieval operation with no mention of modification, deletion, or side effects.
Attacks that exploit this kind of access
List all product custom fields with pagination support. It is categorised as a Read tool in the Tienda Nube MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tienda Nube MCP Server MCP server in PolicyLayer and add a rule for tiendanube_list_product_custom_fields: 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 Tienda Nube MCP Server. Nothing to install.
tiendanube_list_product_custom_fields 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 tiendanube_list_product_custom_fields 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 tiendanube_list_product_custom_fields. 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.
tiendanube_list_product_custom_fields is provided by the Tienda Nube MCP Server MCP server (pedrohsguimaraes/nuvem-shop-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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