rename_object

重命名COS中的对象

SERVERTencent Cloud COS MCP Server SOURCE156554395/tx-cos-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/156554395-tx-cos-mcp/rename-object.md

WHAT IT DOES

What rename_object does on Tencent Cloud COS MCP Server

AI agents use rename_object to create or update resources in Tencent Cloud COS MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tencent Cloud COS MCP Server environment.

RISK

Why rename_object is rated Medium

Renaming an object modifies its metadata/path but does not delete data or execute arbitrary code. It is reversible (can be renamed back) and falls clearly under the Write category. Severity is medium because mass renaming of critical objects could cause confusion or operational disruption, but the operation itself is non-destructive.

From the tool's definition Tool name is 'rename_object' and description states it renames objects in COS (Tencent Cloud Object Storage). The Chinese description '重命名COS中的对象' translates to 'rename objects in COS'. Renaming is a reversible modification operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rename_object 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 rename_object, this is the rule to start with:

rename_object Rate-limited

rename_object stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rename_object": {
      "limits": [
        {
          "counter": "rename_object_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tencent Cloud COS MCP Server, apply this rule, and every rename_object call is checked against it from then on.

FAQ

Questions about rename_object

What does the rename_object tool do? +

重命名COS中的对象. It is categorised as a Write tool in the Tencent Cloud COS MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rename_object? +

Register the Tencent Cloud COS MCP Server MCP server in PolicyLayer and add a rule for rename_object: 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.

What risk level is rename_object? +

rename_object is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit rename_object? +

Yes. Add a rate_limit block to the rename_object 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.

How do I block rename_object completely? +

Set action: deny in the PolicyLayer policy for rename_object. 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.

What MCP server provides rename_object? +

rename_object 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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