Lists the SSH servers configured in the SSH Proxy desktop app. Returns each host name (the value to pass as
AI agents call ssh_list_hosts to retrieve information from MCP SSH Proxy without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves configuration metadata (hostnames of configured SSH servers) without side effects. It performs a query operation that reads static configuration data. Even though it pertains to an SSH proxy system, the tool itself only lists/displays existing hosts without executing commands, modifying settings, or requiring approval for execution (unlike its sibling tools ssh_exec, ssh_upload, and ssh_download).
From the tool's definition Tool name is 'ssh_list_hosts' and description states it 'Lists the SSH servers configured' and 'Returns each host name'. The verb 'Lists' and 'Returns' indicate data retrieval with no modification or execution.
Attacks that exploit this kind of access
Lists the SSH servers configured in the SSH Proxy desktop app. Returns each host name (the value to pass as. It is categorised as a Read tool in the MCP SSH Proxy MCP Server, which means it retrieves data without modifying state.
Register the MCP SSH Proxy MCP server in PolicyLayer and add a rule for ssh_list_hosts: 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 MCP SSH Proxy. Nothing to install.
ssh_list_hosts is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the ssh_list_hosts 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.
Set action: deny in the PolicyLayer policy for ssh_list_hosts. 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.
ssh_list_hosts is provided by the MCP SSH Proxy MCP server (quinbook/mcpsshproxy). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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