resume_agent

Resume a paused descendant child agent task. This tool only works for tasks spawned by the current task (descendants).

SERVERCoWork OS SOURCECoWork-OS/CoWork-OS

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/cowork-os/resume-agent.md

WHAT IT DOES

What resume_agent does on CoWork OS

AI agents invoke resume_agent to trigger actions in CoWork OS. 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 resume_agent is rated High

This tool triggers execution of a paused agent task, causing it to resume running. This is an Execute-category action because it restarts an external operation (an agent task) whose subsequent effects depend on what that agent is programmed to do.

From the tool's definition Resume a paused descendant child agent task

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs resume_agent safely

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

resume_agent Rate-limited

resume_agent 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": {
      "limits": [
        {
          "counter": "resume_agent_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 CoWork OS, apply this rule, and every resume_agent call is checked against it from then on.

FAQ

Questions about resume_agent

What does the resume_agent tool do? +

Resume a paused descendant child agent task. This tool only works for tasks spawned by the current task (descendants). It is categorised as a Execute tool in the CoWork OS 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? +

Register the CoWork OS MCP server in PolicyLayer and add a rule for resume_agent: 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 CoWork OS. Nothing to install.

What risk level is resume_agent? +

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

Can I rate-limit resume_agent? +

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

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

resume_agent is provided by the CoWork OS MCP server (CoWork-OS/CoWork-OS). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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