rename_batch

Rename files in place with a regex or literal pattern (dry_run by default).

SERVERMcp Hands SOURCEhuocai250/mcp-hands

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/mcp-hands/rename-batch.md

WHAT IT DOES

What rename_batch does on Mcp Hands

AI agents use rename_batch to create or update resources in Mcp Hands, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Hands environment.

RISK

Why rename_batch is rated Medium

An AI agent can call rename_batch faster than any human can review: one bad instruction and it creates or modifies resources in Mcp Hands by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rename_batch safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Hands, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For rename_batch, this is the rule to start with:

rename_batch Rate-limited

rename_batch 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_batch": {
      "limits": [
        {
          "counter": "rename_batch_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 Mcp Hands, apply this rule, and every rename_batch call is checked against it from then on.

FAQ

Questions about rename_batch

What does the rename_batch tool do? +

Rename files in place with a regex or literal pattern (dry_run by default). It is categorised as a Write tool in the Mcp Hands 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_batch? +

Register the Mcp Hands MCP server in PolicyLayer and add a rule for rename_batch: 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 Mcp Hands. Nothing to install.

What risk level is rename_batch? +

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

Can I rate-limit rename_batch? +

Yes. Add a rate_limit block to the rename_batch 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_batch completely? +

Set action: deny in the PolicyLayer policy for rename_batch. 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_batch? +

rename_batch is provided by the Mcp Hands MCP server (huocai250/mcp-hands). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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