统计桌面上的图片文件数量
AI agents call count-desktop-images to retrieve information from Desktop Image Manager MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Even though count-desktop-images only reads data, uncontrolled read access leaks sensitive information and racks up API costs — an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
统计桌面上的图片文件数量. It is categorised as a Read tool in the Desktop Image Manager MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Desktop Image Manager MCP Server MCP server in PolicyLayer and add a rule for count-desktop-images: 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 Desktop Image Manager MCP Server. Nothing to install.
count-desktop-images 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 count-desktop-images 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 count-desktop-images. 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.
count-desktop-images is provided by the Desktop Image Manager MCP Server MCP server (zhixiaoqiang/desktop-image-manager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.