get_range_metrics
Get comprehensive metrics for the range.
This record as markdown: /tools/tjnull-ludus-fastmcp/get-range-metrics.md
What get_range_metrics does on Ludus FastMCP
AI agents call get_range_metrics to retrieve information from Ludus FastMCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_range_metrics is rated Low
This tool queries and retrieves metrics data from an existing cyber range environment. It performs no modifications to the range state, executes no commands, and causes no irreversible changes. Even in a cyber range management context where other tools may be destructive or execute-based, this specific tool is limited to passive data retrieval, making it a Read operation with low severity and low misuse risk.
From the tool's definition Tool name 'get_range_metrics' and description 'Get comprehensive metrics for the range' indicate a retrieval operation.
Attacks that exploit this kind of access
The rule that runs get_range_metrics safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ludus FastMCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_range_metrics, this is the rule to start with:
get_range_metrics is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ludus FastMCP, apply this rule, and every get_range_metrics call is checked against it from then on.
Questions about get_range_metrics
Get comprehensive metrics for the range. It is categorised as a Read tool in the Ludus FastMCP MCP Server, which means it retrieves data without modifying state.
Register the Ludus Fast MCP server in PolicyLayer and add a rule for get_range_metrics: 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 Ludus FastMCP. Nothing to install.
get_range_metrics 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 get_range_metrics 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 get_range_metrics. 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.
get_range_metrics is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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