ssh_disconnect

THE RISK

Low Risk

Why ssh_disconnect needs a policy

Disconnecting an SSH session is a session-management operation. It has no data side-effects and is fully reversible (a new connection can be opened). It does not read, write, execute, or destroy any data, nor does it involve financial operations. The blast radius of misuse is low — at worst it terminates an active session, causing minor disruption.

From the tool's definition 'Close an SSH connection' — terminates a network session, no data is read, written, executed, or deleted

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

POLICY

How to control ssh_disconnect

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ssh_disconnect": {
      "limits": [
        {
          "counter": "ssh_disconnect_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

ssh_disconnect gets a rate cap, and everything else on the server is denied unless you say otherwise.

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

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More SSH MCP tools

Execute ssh_exec Execute a command on the remote server Execute ssh_connect Connect to a remote server via SSH Write ssh_upload_file Upload a file to the remote server Read ssh_download_file Download a file from the remote server Read ssh_list_files List files in a directory on the remote server

All 6 SSH MCP tools →

Other tools on other servers

Android Forensics ADB MCP Server generate_app_analysis_report Ethereum Tools add Math MCP Server complex_analysis_suite Crypto_MCP aes_encrypt

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about ssh_disconnect

What does the ssh_disconnect tool do? +

Close an SSH connection. It is categorised as a Other tool in the SSH MCP MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on ssh_disconnect? +

Register the SSH MCP server in PolicyLayer and add a rule for ssh_disconnect: 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 SSH MCP. Nothing to install.

What risk level is ssh_disconnect? +

ssh_disconnect is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit ssh_disconnect? +

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

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

ssh_disconnect is provided by the SSH MCP server (mixelpixx/ssh-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every SSH MCP tool call.

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

CHECK YOUR STACK →