Get app usage stats for recent days.
AI agents call app_usage_stats to retrieve information from Android MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries app usage statistics, a read-only operation that does not create, modify, delete, or execute any actions. While it accesses usage data that could be considered sensitive in some contexts, the operation itself is passive data retrieval with no blast radius if misused by an agent—it cannot harm the device or user data.
From the tool's definition Tool name 'app_usage_stats' and description 'Get app usage stats for recent days' indicate retrieval of historical usage data with no modification or side effects.
Attacks that exploit this kind of access
Get app usage stats for recent days. It is categorised as a Read tool in the Android MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Android MCP Server MCP server in PolicyLayer and add a rule for app_usage_stats: 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 Android MCP Server. Nothing to install.
app_usage_stats 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 app_usage_stats 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 app_usage_stats. 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.
app_usage_stats is provided by the Android MCP Server MCP server (wujie272/android-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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