list-deployments

THE RISK

Low Risk

Why list-deployments needs a policy

This tool retrieves and lists deployment information from Coolify, providing visibility into deployment status and history. It performs no modifications, deletions, or external state changes.

From the tool's definition Tool name 'list-deployments' and description 'Retrieve a list of all running deployments' indicate a query operation that retrieves data without modification or side effects.

Documented attack patterns abuse exactly the kind of access list-deployments gives an agent:

POLICY

How to control list-deployments

PolicyLayer is an MCP gateway — it sits between your AI agents and Coolify MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list-deployments:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list-deployments": {}
  }
}

list-deployments is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Coolify MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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All 11 Coolify MCP Server tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list-deployments

What does the list-deployments tool do? +

Retrieve a list of all running deployments in Coolify. This includes details about the deployment status and history. It is categorised as a Read tool in the Coolify MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list-deployments? +

Register the Coolify MCP Server MCP server in PolicyLayer and add a rule for list-deployments: 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 Server. Nothing to install.

What risk level is list-deployments? +

list-deployments is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list-deployments? +

Yes. Add a rate_limit block to the list-deployments 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 list-deployments completely? +

Set action: deny in the PolicyLayer policy for list-deployments. 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 list-deployments? +

list-deployments is provided by the Coolify MCP Server MCP server (stumason/coolify-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Coolify MCP Server tool call.

Start from Coolify MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →