set_decision_status · Todos MCP: Risk & Policy

WHAT IT DOES

What set_decision_status does on Todos

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

WHY IT NEEDS A POLICY

Why set_decision_status needs a policy

This tool creates or modifies data (the status of a decision record) in a reversible manner. It does not delete data (Destructive), does not move money (Financial), does not execute arbitrary code (Execute), and does not merely read data (Read). The 'set' verb combined with 'status' suggests an update operation.

From the tool's definition Tool name 'set_decision_status' and description 'Set decision record lifecycle status' indicate modifying the status field of a decision record, which is a reversible update operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_decision_status Rate-limited

set_decision_status 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": {
    "set_decision_status": {
      "limits": [
        {
          "counter": "set_decision_status_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 Todos, so you can run agents against it safely.

FAQ

Questions about set_decision_status

What does the set_decision_status tool do? +

Set decision record lifecycle status. It is categorised as a Write tool in the Todos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_decision_status? +

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

What risk level is set_decision_status? +

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

Can I rate-limit set_decision_status? +

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

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

set_decision_status is provided by the Todos MCP server (@hasna/todos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.