run-on-actor

WRITES LIVE GAME STATE. Resolve an Actor expression and call run_on_actor(actor, source, ...arguments). The

SERVERExecutor Mcp Roblox SOURCEokenjioxx/executor-mcp-roblox

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/executor-mcp-roblox/run-on-actor.md

WHAT IT DOES

What run-on-actor does on Executor Mcp Roblox

AI agents invoke run-on-actor to trigger actions in Executor Mcp Roblox. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why run-on-actor is rated High

run-on-actor triggers real processes with real consequences. An agent gone sideways doesn't fire it once. It starts dozens of builds, sends mass notifications, or burns through compute before anyone looks up.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs run-on-actor safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Executor Mcp Roblox, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For run-on-actor, this is the rule to start with:

run-on-actor Rate-limited

run-on-actor stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run-on-actor": {
      "limits": [
        {
          "counter": "run-on-actor_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Executor Mcp Roblox, apply this rule, and every run-on-actor call is checked against it from then on.

FAQ

Questions about run-on-actor

What does the run-on-actor tool do? +

WRITES LIVE GAME STATE. Resolve an Actor expression and call run_on_actor(actor, source, ...arguments). The. It is categorised as a Execute tool in the Executor Mcp Roblox MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run-on-actor? +

Register the Executor Mcp Roblox MCP server in PolicyLayer and add a rule for run-on-actor: 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 Executor Mcp Roblox. Nothing to install.

What risk level is run-on-actor? +

run-on-actor is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run-on-actor? +

Yes. Add a rate_limit block to the run-on-actor 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 run-on-actor completely? +

Set action: deny in the PolicyLayer policy for run-on-actor. 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 run-on-actor? +

run-on-actor is provided by the Executor Mcp Roblox MCP server (okenjioxx/executor-mcp-roblox). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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