kill_process

THE RISK

Critical Risk

Why kill_process needs a policy

Killing a process is an irreversible action — the running process is terminated and any unsaved state is lost. This cannot be undone, making it Destructive. The blast radius is high because an AI agent could terminate critical Node.js processes, causing service disruption or data loss.

From the tool's definition Kill a managed Node.js process

Documented attack patterns abuse exactly the kind of access kill_process gives an agent:

POLICY

How to control kill_process

PolicyLayer is an MCP gateway — it sits between your AI agents and Node Js Debugger MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for kill_process:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "kill_process"
  ]
}

kill_process disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Node Js Debugger MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Node Js Debugger MCP Server tools

Execute start_node_process Start a Node.js process with debugging enabled Execute attach_debugger Attach debugger to a running Node.js process Execute evaluate_expression Evaluate an expression in the current debug context Execute pause_execution Pause execution of the debugged process Execute set_breakpoint Set a breakpoint in the debugged process. Use full file:// URLs for reliable breakpoint hi Execute step_debug Step through code execution Read list_processes List all managed Node.js processes

All 8 Node Js Debugger MCP Server tools →

Destructive tools on other servers

Android Forensics ADB MCP Server create_full_backup 0xarchive web3_revoke_key Frida Game Hacking MCP clear_scan cPanel MCP Server clear_spam_box

Go deeper

Critical-risk tools in Node Js Debugger MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about kill_process

What does the kill_process tool do? +

Kill a managed Node.js process. It is categorised as a Destructive tool in the Node Js Debugger MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on kill_process? +

Register the Node Js Debugger MCP Server MCP server in PolicyLayer and add a rule for kill_process: 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 Node Js Debugger MCP Server. Nothing to install.

What risk level is kill_process? +

kill_process is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit kill_process? +

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

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

kill_process is provided by the Node Js Debugger MCP Server MCP server (qckfx/node-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 Node Js Debugger MCP Server tool call.

Start from Node Js Debugger MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →