create_document_type · Paperless-NGX MCP Server MCP

WHAT IT DOES

What create_document_type does on Paperless-NGX MCP Server

AI agents use create_document_type to create or update resources in Paperless-NGX MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Paperless-NGX MCP Server environment.

WHY IT NEEDS A POLICY

Why create_document_type needs a policy

This tool creates new document type records in the Paperless-NGX system, which is a reversible write operation. It does not execute code, delete data, move funds, or modify existing documents—it only adds new metadata records. The impact is confined to creating a classification category; even if misconfigured, document types can be deleted or edited later, making this Write rather than Destructive.

From the tool's definition Tool name 'create_document_type' and description 'Create a new document type' explicitly indicates creation of metadata.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_document_type Rate-limited

create_document_type 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": {
    "create_document_type": {
      "limits": [
        {
          "counter": "create_document_type_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Paperless-NGX MCP Server, so you can run agents against it safely.

FAQ

Questions about create_document_type

What does the create_document_type tool do? +

Create a new document type for categorizing documents by their purpose or format (e.g., Invoice, Receipt, Contract). Can include automatic matching rules for smart classification. It is categorised as a Write tool in the Paperless-NGX 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 create_document_type? +

Register the Paperless-NGX MCP Server MCP server in PolicyLayer and add a rule for create_document_type: 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 Paperless-NGX MCP Server. Nothing to install.

What risk level is create_document_type? +

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

Can I rate-limit create_document_type? +

Yes. Add a rate_limit block to the create_document_type 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 create_document_type completely? +

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

create_document_type is provided by the Paperless-NGX MCP Server MCP server (mephistojb/paperless-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.