blender_save

Save the current Blender file. If file_path is given, does Save As.

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/blender-save.md

WHAT IT DOES

What blender_save does on Blender Copilot MCP Server

AI agents use blender_save 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 blender_save is rated Medium

The tool creates or modifies files on the filesystem by saving Blender project state. While not destructive (data can be recovered/overwritten later), it irreversibly commits changes to persistent storage. In a 3D creation context with a full VRChat avatar pipeline, saving corrupted or malicious model data could compromise downstream workflows.

From the tool's definition Tool description states 'Save the current Blender file. If file_path is given, does Save As.' This directly modifies and persists data to disk.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

blender_save Rate-limited

blender_save 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": {
    "blender_save": {
      "limits": [
        {
          "counter": "blender_save_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 blender_save call is checked against it from then on.

FAQ

Questions about blender_save

What does the blender_save tool do? +

Save the current Blender file. If file_path is given, does Save As. 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 blender_save? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for blender_save: 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 blender_save? +

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

Can I rate-limit blender_save? +

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

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

blender_save 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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