postgres-update · Dokploy MCP Server MCP: Risk & Policy

WHAT IT DOES

What postgres-update does on Dokploy MCP Server

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

WHY IT NEEDS A POLICY

Why postgres-update needs a policy

This tool modifies an existing PostgreSQL database configuration or data within Dokploy. It is reversible (updates can be reverted), so it falls under Write rather than Destructive. However, the severity is high because updates to a production database can have significant blast radius—corrupting configuration, changing credentials, modifying schema in ways that break applications, or causing availability issues.

From the tool's definition Tool name is 'postgres-update' and description states it 'Updates an existing PostgreSQL database in Dokploy.' The verb 'update' indicates modification of data or configuration.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

postgres-update Rate-limited

postgres-update 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": {
    "postgres-update": {
      "limits": [
        {
          "counter": "postgres-update_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 Dokploy MCP Server, so you can run agents against it safely.

FAQ

Questions about postgres-update

What does the postgres-update tool do? +

Updates an existing PostgreSQL database in Dokploy. It is categorised as a Write tool in the Dokploy MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on postgres-update? +

Register the Dokploy MCP Server MCP server in PolicyLayer and add a rule for postgres-update: 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 Dokploy MCP Server. Nothing to install.

What risk level is postgres-update? +

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

Can I rate-limit postgres-update? +

Yes. Add a rate_limit block to the postgres-update 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 postgres-update completely? +

Set action: deny in the PolicyLayer policy for postgres-update. 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 postgres-update? +

postgres-update is provided by the Dokploy MCP Server MCP server (limehawk/dokploy-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.