Medium Risk

resume

[STEP 8] Resume script execution after collecting all needed variable data — ends the current pause. After calling resume, remove all temporary debugger; statements added to source code during this session. Relay the "_ui" field from the response to the user.

Part of the Chrome Debugger MCP server.

resume can modify Chrome Debugger MCP data, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents use resume to create or modify resources in Chrome Debugger MCP. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

Without a policy, an AI agent could call resume repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Chrome Debugger MCP.

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "resume": {
      "limits": [
        {
          "counter": "resume_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

See the full Chrome Debugger MCP policy for all 18 tools.

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These attack patterns abuse exactly the kind of access resume gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so resume only ever does what you allow.

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Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.

What does the resume tool do? +

[STEP 8] Resume script execution after collecting all needed variable data — ends the current pause. After calling resume, remove all temporary debugger; statements added to source code during this session. Relay the "_ui" field from the response to the user.. It is categorised as a Write tool in the Chrome Debugger MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on resume? +

Register the Chrome Debugger MCP server in PolicyLayer and add a rule for resume: 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 Chrome Debugger MCP. Nothing to install.

What risk level is resume? +

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

Can I rate-limit resume? +

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

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

resume is provided by the Chrome Debugger MCP server (chrome-debugger-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Chrome Debugger MCP tool call.

Deterministic rules across all 18 Chrome Debugger MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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