nemu_destroy_session

Destroy an emulator session and free its memory (mapped library, stack, JNI tables).

SERVERJshookmcp SOURCE@jshookmcp/jshook

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-vmoranv-jshookmcp/nemu-destroy-session.md

WHAT IT DOES

What nemu_destroy_session does on Jshookmcp

AI agents call nemu_destroy_session to permanently remove resources in Jshookmcp, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why nemu_destroy_session is rated Critical

Irreversibly terminates emulator session and deallocates all associated resources, unrecoverable action.

From the tool's definition Destroy an emulator session and free its memory

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs nemu_destroy_session 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 nemu_destroy_session, this is the rule to start with:

nemu_destroy_session Hidden

nemu_destroy_session is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

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

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Jshookmcp, apply this rule, and every nemu_destroy_session call is checked against it from then on.

FAQ

Questions about nemu_destroy_session

What does the nemu_destroy_session tool do? +

Destroy an emulator session and free its memory (mapped library, stack, JNI tables). It is categorised as a Destructive tool in the Jshookmcp 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 nemu_destroy_session? +

Register the Jshook MCP server in PolicyLayer and add a rule for nemu_destroy_session: 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 nemu_destroy_session? +

nemu_destroy_session 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 nemu_destroy_session? +

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

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

nemu_destroy_session 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.

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