gh_data_tree_get_batch

Read multiple component outputs in a single bridge round-trip.

SERVERRhino SOURCEeasehee/rhino-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/easehee-rhino-mcp/gh-data-tree-get-batch.md

WHAT IT DOES

What gh_data_tree_get_batch does on Rhino

AI agents call gh_data_tree_get_batch to retrieve information from Rhino without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why gh_data_tree_get_batch is rated Low

This tool retrieves data from Grasshopper component outputs in batch. The word 'Read' in the description and the operation of getting/retrieving outputs without any creation, modification, deletion, or execution of external commands clearly places this in the Read category. The batch operation and round-trip optimization do not change the fundamental nature of the action.

From the tool's definition Tool description explicitly states 'Read multiple component outputs' - a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gh_data_tree_get_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_get_batch, this is the rule to start with:

gh_data_tree_get_batch Allowed

gh_data_tree_get_batch is read-only, so it stays allowed. 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_get_batch": {}
  }
}

ALLOW ONLY 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_get_batch call is checked against it from then on.

FAQ

Questions about gh_data_tree_get_batch

What does the gh_data_tree_get_batch tool do? +

Read multiple component outputs in a single bridge round-trip. It is categorised as a Read tool in the Rhino MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gh_data_tree_get_batch? +

Register the Rhino MCP server in PolicyLayer and add a rule for gh_data_tree_get_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_get_batch? +

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

Can I rate-limit gh_data_tree_get_batch? +

Yes. Add a rate_limit block to the gh_data_tree_get_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_get_batch completely? +

Set action: deny in the PolicyLayer policy for gh_data_tree_get_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_get_batch? +

gh_data_tree_get_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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