update_delegation_child_account_users

THE RISK

Medium Risk

Why update_delegation_child_account_users needs a policy

This tool updates account delegation permissions for child accounts, which is a reversible modification to access control and account management settings. It does not permanently delete data (not Destructive), does not move money (not Financial), and does not execute arbitrary code or shell commands (not Execute).

From the tool's definition update_delegation_child_account_users - modifies delegation settings for a child account, which changes access permissions and account control settings.

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

POLICY

How to control update_delegation_child_account_users

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_delegation_child_account_users": {
      "limits": [
        {
          "counter": "update_delegation_child_account_users_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

update_delegation_child_account_users 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.

Create a free account and register Linode 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 416 Linode MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about update_delegation_child_account_users

What does the update_delegation_child_account_users tool do? +

Update the account delegation for a child account. It is categorised as a Write tool in the Linode 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 update_delegation_child_account_users? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for update_delegation_child_account_users: 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 Linode MCP Server. Nothing to install.

What risk level is update_delegation_child_account_users? +

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

Can I rate-limit update_delegation_child_account_users? +

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

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

update_delegation_child_account_users is provided by the Linode MCP Server MCP server (takashito/linode-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 Linode MCP Server tool call.

Start from Linode 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 →