codex_task_create · Openai MCP: Risk & Policy

WHAT IT DOES

What codex_task_create does on Openai

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

WHY IT NEEDS A POLICY

Why codex_task_create needs a policy

The tool creates new tasks within a Codex system (likely OpenAI's code execution/task management feature). This is reversible (tasks can be deleted or modified later), produces side effects limited to task state creation, and poses medium risk if misused by an agent—for example, creating excessive tasks, tasks with malicious payloads, or tasks that consume resources.

From the tool's definition Tool name 'codex_task_create' and description 'Create a new Codex task' indicate data creation/modification. The term 'create' is a classic Write operation that adds new records without permanent destruction or financial impact.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

codex_task_create Rate-limited

codex_task_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": {
    "codex_task_create": {
      "limits": [
        {
          "counter": "codex_task_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 Openai, so you can run agents against it safely.

FAQ

Questions about codex_task_create

What does the codex_task_create tool do? +

Create a new Codex task. It is categorised as a Write tool in the Openai MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on codex_task_create? +

Register the Openai MCP server in PolicyLayer and add a rule for codex_task_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 Openai. Nothing to install.

What risk level is codex_task_create? +

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

Can I rate-limit codex_task_create? +

Yes. Add a rate_limit block to the codex_task_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 codex_task_create completely? +

Set action: deny in the PolicyLayer policy for codex_task_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 codex_task_create? +

codex_task_create is provided by the Openai MCP server (robotlearning123/gpt2agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.