update_decision_record · Todos MCP: Risk & Policy

WHAT IT DOES

What update_decision_record does on Todos

AI agents use update_decision_record 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 update_decision_record needs a policy

This tool creates or modifies data (decision record fields) in a reversible way without deleting data or triggering external operations. The explicit exclusion of 'status' updates suggests it modifies metadata/content fields only. This fits the Write category.

From the tool's definition Tool name 'update_decision_record' and description 'Update decision record fields (not status)' indicates modifying existing data fields in a reversible manner.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_decision_record Rate-limited

update_decision_record 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": {
    "update_decision_record": {
      "limits": [
        {
          "counter": "update_decision_record_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 update_decision_record

What does the update_decision_record tool do? +

Update decision record fields (not 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 update_decision_record? +

Register the Todos MCP server in PolicyLayer and add a rule for update_decision_record: 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 update_decision_record? +

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

Can I rate-limit update_decision_record? +

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

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

update_decision_record 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.