[Google Play] Get app rankings (top free, paid, grossing)
AI agents call gp_list to retrieve information from Store Scraper MCP 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 publicly available ranking data. It performs read-only retrieval of rankings data without creating, modifying, deleting, executing code, or moving money. The impact of misuse is limited to potentially excessive requests or data exfiltration of public information, which poses only low risk.
From the tool's definition Tool retrieves 'app rankings (top free, paid, grossing)' from Google Play Store—a passive data query with no side effects, no state modification, no code execution.
Attacks that exploit this kind of access
[Google Play] Get app rankings (top free, paid, grossing). It is categorised as a Read tool in the Store Scraper MCP MCP Server, which means it retrieves data without modifying state.
Register the Store Scraper MCP server in PolicyLayer and add a rule for gp_list: 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 Store Scraper MCP. Nothing to install.
gp_list 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 gp_list 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 gp_list. 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.
gp_list is provided by the Store Scraper MCP server (miguelalvred/mobile-store-scraper-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.
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