add_post_process

Add (or update) a post-processing effect on the scene

SERVERSbox SOURCEsbox-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sbox/add-post-process.md

WHAT IT DOES

What add_post_process does on Sbox

AI agents use add_post_process 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.

RISK

Why add_post_process is rated Medium

This tool creates or modifies post-processing effects in the s&box game scene. These are reversible changes to visual rendering parameters—not deletions or irreversible alterations. An agent could misuse this to degrade visual quality or create disorienting effects, but the impact is limited to scene aesthetics and can be undone.

From the tool's definition Tool name 'add_post_process' and description 'Add (or update) a post-processing effect on the scene' indicate creation or modification of scene visual effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_post_process 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 add_post_process, this is the rule to start with:

add_post_process Rate-limited

add_post_process 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": {
    "add_post_process": {
      "limits": [
        {
          "counter": "add_post_process_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 Sbox, apply this rule, and every add_post_process call is checked against it from then on.

FAQ

Questions about add_post_process

What does the add_post_process tool do? +

Add (or update) a post-processing effect on the scene. 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.

How do I enforce a policy on add_post_process? +

Register the Sbox MCP server in PolicyLayer and add a rule for add_post_process: 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.

What risk level is add_post_process? +

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

Can I rate-limit add_post_process? +

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

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

add_post_process 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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