AI agents use script_create to create or update resources in Godot Devtool — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot Devtool environment.
This tool creates new files (GDScript code) within a Godot project, which is a reversible write operation. However, the severity is elevated to 'high' because creating arbitrary scripts in a live Godot project could introduce malicious code execution paths, modify project behavior, or corrupt the project state.
From the tool's definition Tool name 'script_create' and description 'Create a GDScript file inside a Godot project' explicitly indicate creation of new code files.
Documented attack patterns abuse exactly the kind of access script_create gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Godot Devtool, and nothing reaches the server without passing your rules. This is the rule we recommend for script_create:
{
"version": "1",
"default": "deny",
"tools": {
"script_create": {
"limits": [
{
"counter": "script_create_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}script_create 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.
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Create a GDScript file inside a Godot project. It is categorised as a Write tool in the Godot Devtool MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Godot Devtool MCP server in PolicyLayer and add a rule for script_create: 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 Devtool. Nothing to install.
script_create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the script_create 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.
Set action: deny in the PolicyLayer policy for script_create. 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.
script_create is provided by the Godot Devtool MCP server (wangdiandao/godot-devtool). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 101 Godot Devtool tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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101 Godot Devtool tools catalogued and risk-classified — across an index of 42,500+ MCP servers.