electron_attach

Attach to an Electron CDP port and optionally evaluate in a matching page.

SERVERJshookmcp SOURCE@jshookmcp/jshook

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/io-github-vmoranv-jshookmcp/electron-attach.md

WHAT IT DOES

What electron_attach does on Jshookmcp

AI agents invoke electron_attach to trigger actions in Jshookmcp. 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 electron_attach is rated High

Attaching to Chrome DevTools Protocol enables arbitrary code execution in Electron apps.

From the tool's definition Attach to Electron CDP port and optionally evaluate

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs electron_attach safely

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

electron_attach Rate-limited

electron_attach 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": {
    "electron_attach": {
      "limits": [
        {
          "counter": "electron_attach_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 Jshookmcp, apply this rule, and every electron_attach call is checked against it from then on.

FAQ

Questions about electron_attach

What does the electron_attach tool do? +

Attach to an Electron CDP port and optionally evaluate in a matching page. It is categorised as a Execute tool in the Jshookmcp MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on electron_attach? +

Register the Jshook MCP server in PolicyLayer and add a rule for electron_attach: 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 Jshookmcp. Nothing to install.

What risk level is electron_attach? +

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

Can I rate-limit electron_attach? +

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

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

electron_attach is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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