create_decision · RoadBoard MCP: Risk & Policy

WHAT IT DOES

What create_decision does on RoadBoard

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

WHY IT NEEDS A POLICY

Why create_decision needs a policy

This tool creates and persists new decision records in the project, modifying the project state reversibly. It does not execute code, trigger external operations, delete data, or move money. Categorized as Write rather than Read because it has a side effect (record creation).

From the tool's definition Tool name 'create_decision' and description 'Record an architectural or project decision' indicate creation of new data entities within the project state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_decision Rate-limited

create_decision 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": {
    "create_decision": {
      "limits": [
        {
          "counter": "create_decision_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches RoadBoard, so you can run agents against it safely.

FAQ

Questions about create_decision

What does the create_decision tool do? +

Record an architectural or project decision. It is categorised as a Write tool in the RoadBoard MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_decision? +

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

What risk level is create_decision? +

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

Can I rate-limit create_decision? +

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

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

create_decision is provided by the RoadBoard MCP server (maless88/roadboard). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.