unclaim-todo · Mmc MCP: Risk & Policy

WHAT IT DOES

What unclaim-todo does on Mmc

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

WHY IT NEEDS A POLICY

Why unclaim-todo needs a policy

This tool modifies the state of a todo item by changing its status from claimed back to pending. This is a reversible state change (Write category). The blast radius is low since it only affects a workflow task status and does not delete data, execute code, or have financial implications.

From the tool's definition Release a claimed todo back to pending status so it can be picked up again.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

unclaim-todo Rate-limited

unclaim-todo 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": {
    "unclaim-todo": {
      "limits": [
        {
          "counter": "unclaim-todo_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 Mmc, so you can run agents against it safely.

FAQ

Questions about unclaim-todo

What does the unclaim-todo tool do? +

Release a claimed todo back to pending status so it can be picked up again. It is categorised as a Write tool in the Mmc MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on unclaim-todo? +

Register the Mmc MCP server in PolicyLayer and add a rule for unclaim-todo: 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 Mmc. Nothing to install.

What risk level is unclaim-todo? +

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

Can I rate-limit unclaim-todo? +

Yes. Add a rate_limit block to the unclaim-todo 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 unclaim-todo completely? +

Set action: deny in the PolicyLayer policy for unclaim-todo. 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 unclaim-todo? +

unclaim-todo is provided by the Mmc MCP server (modelmycontext/mmc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.