List all product variant custom fields with pagination support
AI agents call tiendanube_list_product_variant_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 returns product variant custom field data. The verb 'list' combined with the read-only pagination support indicates a data retrieval function that does not create, modify, delete, execute code, or commit financial transactions. The blast radius of misuse is minimal—an agent could only over-retrieve or enumerate data, with no destructive or operational consequences.
From the tool's definition Tool name contains 'list' and description states 'List all product variant custom fields with pagination support' — a pure retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List all product variant 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_variant_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_variant_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_variant_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_variant_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_variant_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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