vibe_build_pro · VibeServe MCP: Risk & Policy

WHAT IT DOES

What vibe_build_pro does on VibeServe

AI agents invoke vibe_build_pro to trigger actions in VibeServe. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why vibe_build_pro needs a policy

This tool executes a multi-stage pipeline that generates and verifies production code. While not destructive by nature (the output is new code, not deletion), and not financial, it clearly involves code generation and execution workflows. The 'verify' step suggests automated testing/validation execution.

From the tool's definition Tool description states it performs a 'full professional build: upgrade design -> architect -> code -> verify', which involves executing code generation and architectural operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vibe_build_pro Rate-limited

vibe_build_pro stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "vibe_build_pro": {
      "limits": [
        {
          "counter": "vibe_build_pro_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about vibe_build_pro

What does the vibe_build_pro tool do? +

Full professional build: upgrade design -> architect -> code -> verify. It is categorised as a Execute tool in the VibeServe MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on vibe_build_pro? +

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

What risk level is vibe_build_pro? +

vibe_build_pro is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit vibe_build_pro? +

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

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

vibe_build_pro is provided by the VibeServe MCP server (ncsound919/vibeserve). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.