LIST PAYMENT PROVIDERS - Dedicated endpoint for payment providers.
AI agents call tiendanube_list_payment_providers_dedicated 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 performs a read-only operation that retrieves configuration or availability information about payment providers. There are no side effects, no data modification, no code execution, and no financial transactions. The blast radius of misuse is minimal—an unauthorized query of this data would primarily constitute information disclosure rather than operational harm. Classification as 'Read' is appropriate.
From the tool's definition The tool name explicitly states 'LIST' and the description confirms it 'LIST PAYMENT PROVIDERS' — it retrieves/queries available payment provider data without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
LIST PAYMENT PROVIDERS - Dedicated endpoint for payment providers. 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_payment_providers_dedicated: 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_payment_providers_dedicated 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_payment_providers_dedicated 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_payment_providers_dedicated. 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_payment_providers_dedicated 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.
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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