diff_script

Compare two GDScript files line-by-line.

SERVERGodot SOURCE@yanhuifair/godot-mcp

Medium RISK CLASS

Category Write

Parameters 22 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/yanhuifair-godot-mcp/diff-script.md

WHAT IT DOES

What diff_script does on Godot

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

Parameter	Type	Required	Description
`path_a`	string	Yes	First .gd script path
`path_b`	string	Yes	Second .gd script path

Parameters from the server's own tool schema.

RISK

Why diff_script is rated Medium

An AI agent can call diff_script faster than any human can review: one bad instruction and it creates or modifies resources in Godot by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs diff_script safely

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

diff_script Rate-limited

diff_script 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": {
    "diff_script": {
      "limits": [
        {
          "counter": "diff_script_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 Godot, apply this rule, and every diff_script call is checked against it from then on.

FAQ

Questions about diff_script

What does the diff_script tool do? +

Compare two GDScript files line-by-line. It is categorised as a Write tool in the Godot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does diff_script accept? +

diff_script accepts 2 parameters: path_a, path_b. Required: path_a, path_b. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on diff_script? +

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

What risk level is diff_script? +

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

Can I rate-limit diff_script? +

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

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

diff_script is provided by the Godot MCP server (@yanhuifair/godot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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