finalize_planning · Vibe Stack MCP: Risk & Policy

WHAT IT DOES

What finalize_planning does on Vibe Stack MCP

AI agents use finalize_planning to commit financial operations through Vibe Stack MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why finalize_planning needs a policy

finalize_planning moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

finalize_planning Approval-gated

Any call to finalize_planning is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "finalize_planning": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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

FAQ

Questions about finalize_planning

What does the finalize_planning tool do? +

finalize_planning. It is categorised as a Financial tool in the Vibe Stack MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on finalize_planning? +

Register the Vibe Stack MCP server in PolicyLayer and add a rule for finalize_planning: 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 Vibe Stack MCP. Nothing to install.

What risk level is finalize_planning? +

finalize_planning is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit finalize_planning? +

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

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

finalize_planning is provided by the Vibe Stack MCP server (memextech/vibe-plan-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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