control_set_layout_preset
Apply a LayoutPreset to a Control via set_anchors_and_offsets_preset (undoable).
This record as markdown: /tools/godot-breakpoint-mcp/control-set-layout-preset.md
What control_set_layout_preset does on Godot Breakpoint
AI agents use control_set_layout_preset to create or update resources in Godot Breakpoint, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot Breakpoint environment.
Why control_set_layout_preset is rated Medium
This tool creates or modifies control layout properties (anchors and offsets) in a Godot scene, which is a reversible Write operation. The '(undoable)' notation confirms the action can be undone/reverted in the editor. The blast radius is medium because incorrect layout presets could break UI layouts, but the effect is non-destructive and recoverable.
From the tool's definition Tool description states it 'Apply[s] a LayoutPreset to a Control' and is explicitly marked '(undoable)', indicating it modifies UI layout state reversibly without deleting data.
Attacks that exploit this kind of access
The rule that runs control_set_layout_preset safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Godot Breakpoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For control_set_layout_preset, this is the rule to start with:
control_set_layout_preset 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 Godot Breakpoint, apply this rule, and every control_set_layout_preset call is checked against it from then on.
Questions about control_set_layout_preset
Apply a LayoutPreset to a Control via set_anchors_and_offsets_preset (undoable). It is categorised as a Write tool in the Godot Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Godot Breakpoint MCP server in PolicyLayer and add a rule for control_set_layout_preset: 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 Breakpoint. Nothing to install.
control_set_layout_preset 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 control_set_layout_preset 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 control_set_layout_preset. 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.
control_set_layout_preset is provided by the Godot Breakpoint MCP server (jlivingston-Cipher/godot-breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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