geonodes_set_input

Set a node input's default value.

SERVERBlender Copilot MCP Server SOURCEdwgx/blender-copilot

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/dwgx-blender-copilot/geonodes-set-input.md

WHAT IT DOES

What geonodes_set_input does on Blender Copilot MCP Server

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

RISK

Why geonodes_set_input is rated Medium

This tool modifies node input values in a Blender Geometry Nodes graph. Such changes are Write operations because they alter scene data in a reversible manner—the previous value can be restored. The modification is limited to parameter values rather than destructive deletion.

From the tool's definition Tool name 'geonodes_set_input' and description 'Set a node input's default value' indicate modification of Geometry Nodes parameters within a Blender scene, which changes scene state reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs geonodes_set_input safely

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

geonodes_set_input Rate-limited

geonodes_set_input 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": {
    "geonodes_set_input": {
      "limits": [
        {
          "counter": "geonodes_set_input_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 Blender Copilot MCP Server, apply this rule, and every geonodes_set_input call is checked against it from then on.

FAQ

Questions about geonodes_set_input

What does the geonodes_set_input tool do? +

Set a node input's default value. It is categorised as a Write tool in the Blender Copilot 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 geonodes_set_input? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for geonodes_set_input: 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 Blender Copilot MCP Server. Nothing to install.

What risk level is geonodes_set_input? +

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

Can I rate-limit geonodes_set_input? +

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

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

geonodes_set_input is provided by the Blender Copilot MCP Server MCP server (dwgx/blender-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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