create_postgres_database · Coolify MCP Tools MCP

WHAT IT DOES

What create_postgres_database does on Coolify MCP Tools

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

WHY IT NEEDS A POLICY

Why create_postgres_database needs a policy

This tool creates a new PostgreSQL database, which is a reversible write operation on infrastructure state. It modifies the system by instantiating a new database resource but does not execute arbitrary code, delete data, or move money.

From the tool's definition Tool name: 'create_postgres_database'; description: 'Create a PostgreSQL database'. The verb 'create' indicates a write operation that adds new data/resources to the infrastructure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_postgres_database Rate-limited

create_postgres_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": {
    "create_postgres_database": {
      "limits": [
        {
          "counter": "create_postgres_database_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 Coolify MCP Tools, so you can run agents against it safely.

FAQ

Questions about create_postgres_database

What does the create_postgres_database tool do? +

Create a PostgreSQL database. It is categorised as a Write tool in the Coolify MCP Tools 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_postgres_database? +

Register the Coolify MCP Tools MCP server in PolicyLayer and add a rule for create_postgres_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 Coolify MCP Tools. Nothing to install.

What risk level is create_postgres_database? +

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

Can I rate-limit create_postgres_database? +

Yes. Add a rate_limit block to the create_postgres_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 create_postgres_database completely? +

Set action: deny in the PolicyLayer policy for create_postgres_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 create_postgres_database? +

create_postgres_database is provided by the Coolify MCP Tools MCP server (jplansink/coolify-mcp-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.