This record as markdown: /tools/156554395-tx-cos-mcp/get-folder-stats.md
What get_folder_stats does on Tencent Cloud COS MCP Server
AI agents call get_folder_stats to retrieve information from Tencent Cloud COS MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_folder_stats is rated Low
This tool retrieves statistical information about folders (such as file count, total size, etc.) without modifying, deleting, or executing any operations. It is a read-only query operation with no side effects or blast radius if misused by an AI agent.
From the tool's definition Tool name 'get_folder_stats' and description '获取文件夹统计信息' (get folder statistics information) indicates retrieval of metadata about folder contents and storage usage. No modification, deletion, or execution capability is present.
Attacks that exploit this kind of access
The rule that runs get_folder_stats safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Tencent Cloud COS MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_folder_stats, this is the rule to start with:
get_folder_stats is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Tencent Cloud COS MCP Server, apply this rule, and every get_folder_stats call is checked against it from then on.
Questions about get_folder_stats
获取文件夹统计信息. It is categorised as a Read tool in the Tencent Cloud COS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tencent Cloud COS MCP Server MCP server in PolicyLayer and add a rule for get_folder_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 Tencent Cloud COS MCP Server. Nothing to install.
get_folder_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 get_folder_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 get_folder_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.
get_folder_stats is provided by the Tencent Cloud COS MCP Server MCP server (156554395/tx-cos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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