save_file

A write tool on the Blend Ai MCP server.

SERVERBlend Ai SOURCEholdmybeer-gg/blend-ai

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/holdmybeer-gg-blend-ai/save-file.md

WHAT IT DOES

What save_file does on Blend Ai

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

RISK

Why save_file is rated Medium

The 'save_file' tool persists data to disk, which is a write operation that modifies the file system. While not destructive in the traditional sense (the operation is reversible—files can be overwritten or deleted separately), it commits changes to storage and could overwrite existing project files. Severity is high because in a Blender automation context, an unintended save could overwrite important work.

From the tool's definition Tool named 'save_file' with empty description; context shows it is part of a Blender control server with 108 tools for 3D modeling, animation, and rendering operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs save_file safely

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

save_file Rate-limited

save_file 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": {
    "save_file": {
      "limits": [
        {
          "counter": "save_file_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 Blend Ai, apply this rule, and every save_file call is checked against it from then on.

FAQ

Questions about save_file

What does the save_file tool do? +

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

How do I enforce a policy on save_file? +

Register the Blend Ai MCP server in PolicyLayer and add a rule for save_file: 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 Blend Ai. Nothing to install.

What risk level is save_file? +

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

Can I rate-limit save_file? +

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

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

save_file is provided by the Blend Ai MCP server (holdmybeer-gg/blend-ai). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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