create_milestone · Vaiz MCP: Risk & Policy

WHAT IT DOES

What create_milestone does on Vaiz MCP

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

WHY IT NEEDS A POLICY

Why create_milestone needs a policy

The tool creates a new milestone resource in a board, which is a reversible write operation. It does not delete, execute code, or involve financial transactions. Severity is medium because creating milestones in a project management workspace could affect project planning and team coordination, but the action is reversible.

From the tool's definition 'Create a new milestone in a board' - this creates a new entity reversibly

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_milestone Rate-limited

create_milestone 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_milestone": {
      "limits": [
        {
          "counter": "create_milestone_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 Vaiz MCP, so you can run agents against it safely.

FAQ

Questions about create_milestone

What does the create_milestone tool do? +

Create a new milestone in a board. The description field is a short plain-text summary (NOT Markdown). To add rich document content, use edit_document_content after creation. It is categorised as a Write tool in the Vaiz 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 create_milestone? +

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

What risk level is create_milestone? +

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

Can I rate-limit create_milestone? +

Yes. Add a rate_limit block to the create_milestone 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_milestone completely? +

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

create_milestone is provided by the Vaiz MCP server (vaizcom/vaiz-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.