Find best performing zones. Useful for whitelist candidates.
AI agents call find_top_zones to retrieve information from PropellerAds 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 retrieves performance analytics data about advertising zones without creating, modifying, deleting, or executing any actions. It has no side effects and presents no direct blast radius if misused by an AI agent—worst case being suboptimal whitelist recommendations based on incomplete data analysis.
From the tool's definition Tool name 'find_top_zones' and description 'Find best performing zones' indicate data retrieval with no modification. The phrase 'Useful for whitelist candidates' shows it informs decisions but does not execute them.
Attacks that exploit this kind of access
Find best performing zones. Useful for whitelist candidates. It is categorised as a Read tool in the PropellerAds MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PropellerAds MCP Server MCP server in PolicyLayer and add a rule for find_top_zones: 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 PropellerAds MCP Server. Nothing to install.
find_top_zones 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 find_top_zones 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 find_top_zones. 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.
find_top_zones is provided by the PropellerAds MCP Server MCP server (jannafta/propellerads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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