Lista clientes de Business Central.
AI agents call get_customers to retrieve information from Business Central 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 customer data from a business ERP system. While it performs only a read operation with no side effects, the medium severity reflects that customer contact information, payment history, and business relationship data retrieved could be sensitive or valuable if exposed to an unauthorized agent, especially given the financial context of Business Central.
From the tool's definition Tool name 'get_customers' and description 'Lista clientes de Business Central' (List customers from Business Central) indicate a retrieval operation with no modification capability.
Attacks that exploit this kind of access
Lista clientes de Business Central. It is categorised as a Read tool in the Business Central MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Business Central MCP Server MCP server in PolicyLayer and add a rule for get_customers: 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 Business Central MCP Server. Nothing to install.
get_customers 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_customers 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_customers. 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_customers is provided by the Business Central MCP Server MCP server (javiarmesto/lab3_1_mcp_businesscentral). 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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