resume_agent_task · Unlimited MCP: Risk & Policy

WHAT IT DOES

What resume_agent_task does on Unlimited

AI agents invoke resume_agent_task to trigger actions in Unlimited. 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.

WHY IT NEEDS A POLICY

Why resume_agent_task needs a policy

The tool name suggests resuming a paused or suspended agent task, which falls under executing/triggering external operations. In the context of a server that runs coding and sysops agents, resuming a task could trigger arbitrary code execution or system operations.

From the tool's definition Tool name 'resume_agent_task' and server context of delegating coding/sysops work to background agents via durable queues

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

resume_agent_task Rate-limited

resume_agent_task 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": {
    "resume_agent_task": {
      "limits": [
        {
          "counter": "resume_agent_task_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about resume_agent_task

What does the resume_agent_task tool do? +

resume_agent_task. It is categorised as a Execute tool in the Unlimited MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on resume_agent_task? +

Register the Unlimited MCP server in PolicyLayer and add a rule for resume_agent_task: 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 Unlimited. Nothing to install.

What risk level is resume_agent_task? +

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

Can I rate-limit resume_agent_task? +

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

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

resume_agent_task is provided by the Unlimited MCP server (triumsebas/unlimited-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.