mark_as_in_progress · Trello Task Manager MCP: Risk & Policy

WHAT IT DOES

What mark_as_in_progress does on Trello Task Manager MCP

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

WHY IT NEEDS A POLICY

Why mark_as_in_progress needs a policy

The tool updates task status from one state to another, which is a reversible modification characteristic of Write operations. It does not delete data (Destructive), execute arbitrary code or commands (Execute), move money (Financial), or have permanent side effects.

From the tool's definition Tool name 'mark_as_in_progress' and description 'Mark a task as in progress' indicate a state change operation on an existing task. This modifies task metadata (status field) reversibly without deleting data or executing external code.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mark_as_in_progress Rate-limited

mark_as_in_progress 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": {
    "mark_as_in_progress": {
      "limits": [
        {
          "counter": "mark_as_in_progress_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 Trello Task Manager MCP, so you can run agents against it safely.

FAQ

Questions about mark_as_in_progress

What does the mark_as_in_progress tool do? +

Mark a task as in progress. It is categorised as a Write tool in the Trello Task Manager MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mark_as_in_progress? +

Register the Trello Task Manager MCP server in PolicyLayer and add a rule for mark_as_in_progress: 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 Trello Task Manager MCP. Nothing to install.

What risk level is mark_as_in_progress? +

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

Can I rate-limit mark_as_in_progress? +

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

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

mark_as_in_progress is provided by the Trello Task Manager MCP server (namuan/trello-task-manager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.