hub_child_rename

Rename a sensor or valve through its hub and refresh its state. Its tolpo id stays stable.

SERVERTolpo SOURCEsignerless/tolpo

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tolpo/hub-child-rename.md

WHAT IT DOES

What hub_child_rename does on Tolpo

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

RISK

Why hub_child_rename is rated Medium

An AI agent can call hub_child_rename faster than any human can review: one bad instruction and it creates or modifies resources in Tolpo by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hub_child_rename safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tolpo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hub_child_rename, this is the rule to start with:

hub_child_rename Rate-limited

hub_child_rename 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": {
    "hub_child_rename": {
      "limits": [
        {
          "counter": "hub_child_rename_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tolpo, apply this rule, and every hub_child_rename call is checked against it from then on.

FAQ

Questions about hub_child_rename

What does the hub_child_rename tool do? +

Rename a sensor or valve through its hub and refresh its state. Its tolpo id stays stable. It is categorised as a Write tool in the Tolpo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on hub_child_rename? +

Register the Tolpo MCP server in PolicyLayer and add a rule for hub_child_rename: 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 Tolpo. Nothing to install.

What risk level is hub_child_rename? +

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

Can I rate-limit hub_child_rename? +

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

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

hub_child_rename is provided by the Tolpo MCP server (signerless/tolpo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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