upload_document

What upload_document does on Sharepoint

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

Why upload_document is rated Medium

Uploading documents creates or modifies data in SharePoint, which is a reversible Write operation. Severity is high because uncontrolled document uploads could introduce malware, overwrite important files, or clutter critical systems; however, it's not Destructive (reversible) or Execute (no code execution). The empty description lowers confidence slightly, but the name and context are sufficiently clear.

From the tool's definition Tool name 'upload_document' combined with sibling tools that create documents, lists, and manage SharePoint sites. The tool description is empty, but the name and context clearly indicate document creation/modification functionality.

The rule that runs upload_document safely

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

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

Questions about upload_document