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What delete_multiple does on Tencent Cloud COS MCP Server
AI agents call delete_multiple to permanently remove resources in Tencent Cloud COS MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why delete_multiple is rated Critical
This tool permanently deletes multiple objects from Tencent Cloud Object Storage without the ability to undo. Batch deletion operations pose significant risk if invoked incorrectly by an AI agent, potentially causing data loss at scale.
From the tool's definition Tool name 'delete_multiple' combined with Chinese description '批量删除COS中的对象' (batch delete objects in COS) explicitly indicates irreversible deletion of multiple cloud storage objects. This is a Destructive operation by definition.
Attacks that exploit this kind of access
The rule that runs delete_multiple 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 delete_multiple, this is the rule to start with:
delete_multiple is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Tencent Cloud COS MCP Server, apply this rule, and every delete_multiple call is checked against it from then on.
Questions about delete_multiple
批量删除COS中的对象. It is categorised as a Destructive tool in the Tencent Cloud COS MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Tencent Cloud COS MCP Server MCP server in PolicyLayer and add a rule for delete_multiple: 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.
delete_multiple is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_multiple 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 delete_multiple. 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.
delete_multiple 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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