set_main_scene
Define a cena principal do projeto (a que abre quando o jogo roda).
This record as markdown: /tools/mcp-godot-desenvolvimento/set-main-scene.md
What set_main_scene does on Mcp Godot Desenvolvimento
AI agents use set_main_scene to create or update resources in Mcp Godot Desenvolvimento, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Godot Desenvolvimento environment.
Why set_main_scene is rated Medium
This tool creates or modifies project configuration reversibly—changing the entry point scene is a write operation that does not delete data or trigger arbitrary code execution. While it affects game initialization, the effect is bounded to configuration change rather than runtime execution or destructive deletion.
From the tool's definition set_main_scene - 'Define a cena principal do projeto (a que abre quando o jogo roda)' [Portuguese: 'Set the main scene of the project (the one that opens when the game runs)'].
Attacks that exploit this kind of access
The rule that runs set_main_scene safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Godot Desenvolvimento, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_main_scene, this is the rule to start with:
set_main_scene 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Godot Desenvolvimento, apply this rule, and every set_main_scene call is checked against it from then on.
Questions about set_main_scene
Define a cena principal do projeto (a que abre quando o jogo roda). It is categorised as a Write tool in the Mcp Godot Desenvolvimento MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Godot Desenvolvimento MCP server in PolicyLayer and add a rule for set_main_scene: 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 Mcp Godot Desenvolvimento. Nothing to install.
set_main_scene 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 set_main_scene 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 set_main_scene. 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.
set_main_scene is provided by the Mcp Godot Desenvolvimento MCP server (joabcostamd/mcp-godot-desenvolvimento). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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