manage_milestone_work_items · Plane MCP: Risk & Policy

WHAT IT DOES

What manage_milestone_work_items does on Plane

AI agents use manage_milestone_work_items 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 manage_milestone_work_items needs a policy

Without a detailed description, confidence is reduced to 0.7. The name suggests reversible operations (associating/disassociating work items with milestones) rather than deletion or irreversible destruction. This is classified as Write because it modifies project data structure relationships, which affects project planning but remains reversible.

From the tool's definition Tool name 'manage_milestone_work_items' indicates modification of work item associations with milestones. The verb 'manage' typically implies creating, updating, or removing relationships.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

manage_milestone_work_items Rate-limited

manage_milestone_work_items 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": {
    "manage_milestone_work_items": {
      "limits": [
        {
          "counter": "manage_milestone_work_items_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 manage_milestone_work_items

What does the manage_milestone_work_items tool do? +

manage_milestone_work_items. 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 manage_milestone_work_items? +

Register the Plane MCP server in PolicyLayer and add a rule for manage_milestone_work_items: 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 manage_milestone_work_items? +

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

Can I rate-limit manage_milestone_work_items? +

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

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

manage_milestone_work_items 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.