AI agents call list_customers to retrieve information from Creem 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 customer data without creating, modifying, deleting, or executing any operations. It has no side effects and represents a straightforward read operation. The low severity reflects that listing customers, while potentially containing sensitive information, does not enable direct harm without follow-up actions using other tools.
From the tool's definition Tool name 'list_customers' and description 'List all customers' indicate a data retrieval operation with no modification.
Attacks that exploit this kind of access
List all customers. It is categorised as a Read tool in the Creem MCP Server, which means it retrieves data without modifying state.
Register the Creem MCP server in PolicyLayer and add a rule for list_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 Creem. Nothing to install.
list_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 list_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 list_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.
list_customers is provided by the Creem MCP server (selenium39/mcp-server-creem). 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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