sandbox_create · OmniBridge MCP Server MCP: Risk & Policy

WHAT IT DOES

What sandbox_create does on OmniBridge MCP Server

AI agents use sandbox_create to create or update resources in OmniBridge MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your OmniBridge MCP Server environment.

WHY IT NEEDS A POLICY

Why sandbox_create needs a policy

An AI agent can call sandbox_create faster than any human can review — one bad instruction and it creates or modifies resources in OmniBridge MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sandbox_create Rate-limited

sandbox_create 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": {
    "sandbox_create": {
      "limits": [
        {
          "counter": "sandbox_create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches OmniBridge MCP Server, so you can run agents against it safely.

FAQ

Questions about sandbox_create

What does the sandbox_create tool do? +

Creates a new isolated sandbox session and returns a sessionId. It is categorised as a Write tool in the OmniBridge MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sandbox_create? +

Register the OmniBridge MCP Server MCP server in PolicyLayer and add a rule for sandbox_create: 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 OmniBridge MCP Server. Nothing to install.

What risk level is sandbox_create? +

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

Can I rate-limit sandbox_create? +

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

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

sandbox_create is provided by the OmniBridge MCP Server MCP server (syeddaiam9101/omnibridgemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.