list_hosts
AI agents call list_hosts to retrieve information from Linuxfabrik MCP Server for Icinga without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries or retrieves a list of hosts from an Icinga monitoring system. Listing hosts is a fundamental read-only operation in monitoring platforms that enables discovery and investigation without modifying any state. Even though the tool description is empty, the name and context strongly indicate it performs data retrieval only, placing it in the Read category with low severity.
From the tool's definition Tool name 'list_hosts' indicates retrieval of host information. The server description describes tools for 'triage, investigate' operations with 'deep awareness' of monitoring data.
Attacks that exploit this kind of access
list_hosts. It is categorised as a Read tool in the Linuxfabrik MCP Server for Icinga MCP Server, which means it retrieves data without modifying state.
Register the Linuxfabrik MCP Server for Icinga MCP server in PolicyLayer and add a rule for 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 Linuxfabrik MCP Server for Icinga. Nothing to install.
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 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 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.
list_hosts is provided by the Linuxfabrik MCP Server for Icinga MCP server (linuxfabrik/mcp-server-icinga). 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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