create_work_item_property · Plane MCP: Risk & Policy

WHAT IT DOES

What create_work_item_property does on Plane

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

WHY IT NEEDS A POLICY

Why create_work_item_property needs a policy

The 'create_*' prefix indicates this tool creates or adds new data to work items (properties/fields). This is a reversible modification (properties can be removed or updated), placing it in the Write category rather than Execute or Destructive. Medium severity accounts for potential data model disruption if properties are created incorrectly or maliciously, but the operation is generally reversible.

From the tool's definition Tool name 'create_work_item_property' indicates creation of new properties/metadata on work items. Tool description is empty, limiting direct evidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_work_item_property Rate-limited

create_work_item_property 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_work_item_property": {
      "limits": [
        {
          "counter": "create_work_item_property_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about create_work_item_property

What does the create_work_item_property tool do? +

create_work_item_property. It is categorised as a Write tool in the Plane 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_work_item_property? +

Register the Plane MCP server in PolicyLayer and add a rule for create_work_item_property: 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 Plane. Nothing to install.

What risk level is create_work_item_property? +

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

Can I rate-limit create_work_item_property? +

Yes. Add a rate_limit block to the create_work_item_property 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_work_item_property completely? +

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

create_work_item_property is provided by the Plane MCP server (@makeplane/plane-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.