vibekit_enable_database · Vibekit MCP: Risk & Policy

WHAT IT DOES

What vibekit_enable_database does on Vibekit

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

WHY IT NEEDS A POLICY

Why vibekit_enable_database needs a policy

This tool provisions/enables a database resource for an application. It creates or activates a new managed Postgres database, which is a reversible write/configuration operation (it can be disabled or removed later). It does not delete data, execute arbitrary code, or move money, though it may have cost implications for users requiring add-ons.

From the tool's definition Enable a managed Postgres database for an app

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vibekit_enable_database Rate-limited

vibekit_enable_database 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": {
    "vibekit_enable_database": {
      "limits": [
        {
          "counter": "vibekit_enable_database_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 Vibekit, so you can run agents against it safely.

FAQ

Questions about vibekit_enable_database

What does the vibekit_enable_database tool do? +

Enable a managed Postgres database for an app. Free tier users need the database add-on. It is categorised as a Write tool in the Vibekit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on vibekit_enable_database? +

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

What risk level is vibekit_enable_database? +

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

Can I rate-limit vibekit_enable_database? +

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

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

vibekit_enable_database is provided by the Vibekit MCP server (vibekit-apps/vibekit-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.