This record as markdown: /tools/156554395-tx-cos-mcp/clear-upload-progress.md
What clear_upload_progress does on Tencent Cloud COS MCP Server
AI agents call clear_upload_progress 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 clear_upload_progress is rated Critical
The tool 'clear_upload_progress' purges/clears upload progress records. While this removes tracking/metadata rather than primary data objects, the deletion of progress records is likely irreversible. The severity is medium because it only affects progress tracking metadata, not the actual stored objects, limiting the blast radius.
From the tool's definition 清理指定的上传进度记录 (Clear/clean up specified upload progress records)
Attacks that exploit this kind of access
The rule that runs clear_upload_progress 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 clear_upload_progress, this is the rule to start with:
clear_upload_progress 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 clear_upload_progress call is checked against it from then on.
Questions about clear_upload_progress
清理指定的上传进度记录. 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 clear_upload_progress: 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.
clear_upload_progress 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 clear_upload_progress 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 clear_upload_progress. 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.
clear_upload_progress 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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