copy_assignment · Clockify Time Tracking MCP: Risk & Policy

WHAT IT DOES

What copy_assignment does on Clockify Time Tracking

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

WHY IT NEEDS A POLICY

Why copy_assignment needs a policy

Copying an assignment would create new data (write operation) rather than delete or modify existing data, and does not execute arbitrary code or move money. The operation is reversible (the copy can be deleted).

From the tool's definition Tool name 'copy_assignment' indicates a duplication/creation operation. Description is empty but context from sibling tools (create_assignment, create_client, etc.) and server purpose (manage workspaces, projects, time entries) suggests this creates a new…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

copy_assignment Rate-limited

copy_assignment 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": {
    "copy_assignment": {
      "limits": [
        {
          "counter": "copy_assignment_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 Clockify Time Tracking, so you can run agents against it safely.

FAQ

Questions about copy_assignment

What does the copy_assignment tool do? +

copy_assignment. It is categorised as a Write tool in the Clockify Time Tracking MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on copy_assignment? +

Register the Clockify Time Tracking MCP server in PolicyLayer and add a rule for copy_assignment: 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 Clockify Time Tracking. Nothing to install.

What risk level is copy_assignment? +

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

Can I rate-limit copy_assignment? +

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

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

copy_assignment is provided by the Clockify Time Tracking MCP server (pypi:clockify-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.