paint_forest_density
Add a circular biome region with overridden forest density. Multiple regions stack via cosine falloff. density: 0=no trees, 1=normal, 2=double.
This record as markdown: /tools/sbox/paint-forest-density.md
What paint_forest_density does on Sbox
AI agents use paint_forest_density to create or update resources in Sbox, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sbox environment.
Why paint_forest_density is rated Medium
This tool creates new game world data (a biome region) and modifies existing state (forest density in that region), making it a Write operation. It is reversible (regions can be added/removed and parameters adjusted) so it does not qualify as Destructive.
From the tool's definition 'Add a circular biome region with overridden forest density' — this modifies game world state by creating/altering a region that affects forest generation parameters.
Attacks that exploit this kind of access
The rule that runs paint_forest_density safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sbox, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For paint_forest_density, this is the rule to start with:
paint_forest_density 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 Sbox, apply this rule, and every paint_forest_density call is checked against it from then on.
Questions about paint_forest_density
Add a circular biome region with overridden forest density. Multiple regions stack via cosine falloff. density: 0=no trees, 1=normal, 2=double. It is categorised as a Write tool in the Sbox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sbox MCP server in PolicyLayer and add a rule for paint_forest_density: 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 Sbox. Nothing to install.
paint_forest_density 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 paint_forest_density 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 paint_forest_density. 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.
paint_forest_density is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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