Get real-time CNC machine status: position, state, feed rate, spindle speed, and overrides
AI agents call get_machine_status to retrieve information from Cnc Fluidnc without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries current machine state information without creating, modifying, deleting, or executing any operations. It is a monitoring/diagnostic function that produces no side effects on the CNC machine or its data. Misuse would at worst provide an attacker with machine status information, which poses minimal risk.
From the tool's definition Tool name 'get_machine_status' and description 'Get real-time CNC machine status: position, state, feed rate, spindle speed, and overrides' indicate pure data retrieval with no side effects.
Attacks that exploit this kind of access
Get real-time CNC machine status: position, state, feed rate, spindle speed, and overrides. It is categorised as a Read tool in the Cnc Fluidnc MCP Server, which means it retrieves data without modifying state.
Register the Cnc Fluidnc MCP server in PolicyLayer and add a rule for get_machine_status: 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 Cnc Fluidnc. Nothing to install.
get_machine_status 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_machine_status 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_machine_status. 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_machine_status is provided by the Cnc Fluidnc MCP server (whitneydesignlabs/cnc-fluidnc-mcp). 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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