bulk_rename_files

What bulk_rename_files does on Mcp Windows

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

Why bulk_rename_files is rated Medium

The tool modifies file names in bulk, which is a write operation that changes data but remains reversible (files can be renamed back). It does not delete files (would be Destructive) or execute arbitrary code (would be Execute). The 'bulk' aspect and pattern matching capability increase severity to medium due to potential for widespread unintended modifications if patterns match incorrectly.

From the tool's definition Tool name 'bulk_rename_files' and description 'Bulk rename files in a directory using pattern matching' indicate creation/modification of file metadata. Renaming is a reversible write operation.

Risk signalsBulk/mass operation — affects multiple targets

The rule that runs bulk_rename_files safely

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

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

Questions about bulk_rename_files