ping_all

Ping all hosts in the infrastructure

Server Homelab myraffy/homelab-mcp
Category Read
Risk class Low
Parameters 00 required

What ping_all does on Homelab

AI agents call ping_all to retrieve information from Homelab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why ping_all needs a policy

Ping is a read-only network diagnostic command that tests reachability and measures latency without altering infrastructure state or executing code on targets. It returns data about host status but cannot be used to modify, delete, or execute arbitrary operations on the infrastructure. This is a passive reconnaissance operation with minimal blast radius if called by an AI agent.

From the tool's definition Tool name 'ping_all' and description 'Ping all hosts in the infrastructure' indicates a network diagnostic operation that queries host availability without modification or execution of arbitrary commands.

Risk signalsBulk/mass operation — affects multiple targets

Questions about ping_all

What does the ping_all tool do? +

Ping all hosts in the infrastructure. It is categorised as a Read tool in the Homelab MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ping_all? +

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

What risk level is ping_all? +

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

Can I rate-limit ping_all? +

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

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

ping_all is provided by the Homelab MCP server (myraffy/homelab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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