AI agents call list_reviews to retrieve information from Asc without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves and queries customer review data with optional filtering. It has no side effects, performs no modifications, and does not delete or execute operations. This is a straightforward data retrieval operation, making it a Read category tool.
From the tool's definition Tool description states 'List customer reviews for an app. Filter by rating.' This is a read operation that retrieves existing review data without modification.
Attacks that exploit this kind of access
List customer reviews for an app. Filter by rating. Pro feature. It is categorised as a Read tool in the Asc MCP Server, which means it retrieves data without modifying state.
Register the Asc MCP server in PolicyLayer and add a rule for list_reviews: 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 Asc. Nothing to install.
list_reviews 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_reviews 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_reviews. 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_reviews is provided by the Asc MCP server (pofky/asc-mcp). 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.
Teams ship this data inside their own products. See what a licence covers →