contabo_instances_list

THE RISK

Low Risk

Why contabo_instances_list needs a policy

This tool queries and returns metadata about cloud infrastructure resources without side effects. It retrieves information only, matching the Read category (get/fetch operations). Severity is low because knowing instance names, IPs, and status poses minimal risk; these are typically non-sensitive inventory details. High confidence due to clear read-only semantics in the description.

From the tool's definition Tool name is 'list' (retrieves instances). Description states 'List VPS instances' with read-only fields: name, IP, status, plan. No modification, deletion, or execution semantics.

Documented attack patterns abuse exactly the kind of access contabo_instances_list gives an agent:

POLICY

How to control contabo_instances_list

PolicyLayer is an MCP gateway — it sits between your AI agents and Odoo Claude MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for contabo_instances_list:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "contabo_instances_list": {}
  }
}

contabo_instances_list 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 Odoo Claude MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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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 contabo_instances_list

What does the contabo_instances_list tool do? +

List VPS instances on the account (name, IP, status, plan). It is categorised as a Read tool in the Odoo Claude MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on contabo_instances_list? +

Register the Odoo Claude MCP server in PolicyLayer and add a rule for contabo_instances_list: 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 Odoo Claude MCP. Nothing to install.

What risk level is contabo_instances_list? +

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

Can I rate-limit contabo_instances_list? +

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

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

contabo_instances_list is provided by the Odoo Claude MCP server (rosenvladimirov/odoo-claude-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Odoo Claude MCP tool call.

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

CHECK YOUR STACK →