AI agents call tool_health to retrieve information from Novyx without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
With no description provided, confidence is reduced. However, 'health' terminology typically indicates querying system state or metrics without side effects. In the context of a governance/audit platform, this likely retrieves operational status. Categorized as Read (low severity) as the most probable benign interpretation, but if it performs any state-modifying actions, severity would increase.
From the tool's definition Tool name 'tool_health' suggests a diagnostic or status check operation. The empty description prevents definitive classification, but the name pattern aligns with read-only health/status monitoring common in governance and audit systems.
Documented attack patterns abuse exactly the kind of access tool_health gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Novyx, and nothing reaches the server without passing your rules. This is the rule we recommend for tool_health:
{
"version": "1",
"default": "deny",
"tools": {
"tool_health": {}
}
}tool_health is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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tool_health. It is categorised as a Read tool in the Novyx MCP Server, which means it retrieves data without modifying state.
Register the Novyx MCP server in PolicyLayer and add a rule for tool_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 Novyx. Nothing to install.
tool_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 tool_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 tool_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.
tool_health is provided by the Novyx MCP server (novyxlabs/novyx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 120 Novyx tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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120 Novyx tools catalogued and risk-classified — across an index of 42,500+ MCP servers.