Get health status for a specific node
AI agents call get_node_health to retrieve information from ACI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves health status information from ACI nodes, which is a read-only query operation with no side effects. It does not create, modify, delete, or execute any changes to the fabric configuration or state. The blast radius of misuse is minimal—an agent could only gather health information, not cause infrastructure damage or outages.
From the tool's definition Tool name is 'get_node_health' and description states 'Get health status for a specific node', indicating a retrieval operation that queries health metrics without modifying or deleting any infrastructure.
Attacks that exploit this kind of access
Get health status for a specific node. It is categorised as a Read tool in the ACI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ACI MCP Server MCP server in PolicyLayer and add a rule for get_node_health: 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 ACI MCP Server. Nothing to install.
get_node_health 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_node_health 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_node_health. 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_node_health is provided by the ACI MCP Server MCP server (jim-coyne/aci_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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