gh_data_tree_set_batch

A write tool on the Rhino MCP server.

SERVERRhino SOURCEeasehee/rhino-mcp

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/easehee-rhino-mcp/gh-data-tree-set-batch.md

WHAT IT DOES

What gh_data_tree_set_batch does on Rhino

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

RISK

Why gh_data_tree_set_batch is rated Medium

The name implies a write operation (set) on Grasshopper data trees in batch. Given the sibling tools context (Grasshopper/Rhino geometry manipulation), this likely modifies data tree values. Description is empty so confidence is low, but 'set_batch' strongly implies writing/modifying data rather than reading.

From the tool's definition Tool name 'gh_data_tree_set_batch' suggests setting/writing data to a Grasshopper data tree in batch; description is empty.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gh_data_tree_set_batch safely

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

gh_data_tree_set_batch Rate-limited

gh_data_tree_set_batch 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": {
    "gh_data_tree_set_batch": {
      "limits": [
        {
          "counter": "gh_data_tree_set_batch_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 Rhino, apply this rule, and every gh_data_tree_set_batch call is checked against it from then on.

FAQ

Questions about gh_data_tree_set_batch

What does the gh_data_tree_set_batch tool do? +

gh_data_tree_set_batch is a write tool on the Rhino MCP server. It is categorised as a Write tool in the Rhino MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on gh_data_tree_set_batch? +

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

What risk level is gh_data_tree_set_batch? +

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

Can I rate-limit gh_data_tree_set_batch? +

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

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

gh_data_tree_set_batch is provided by the Rhino MCP server (easehee/rhino-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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