AI agents call list_pending 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.
The tool reads or retrieves data about pending actions/items (likely from the audit or action workflow system described in the server). There is no indication of modification, deletion, execution, or financial impact. The 'list' operation is inherently non-destructive and side-effect-free.
From the tool's definition Tool name 'list_pending' indicates a query operation that retrieves pending items/actions without modifying state. The empty description prevents confirmation of exact behavior, but the verb 'list' is a standard read operation.
Documented attack patterns abuse exactly the kind of access list_pending 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 list_pending:
{
"version": "1",
"default": "deny",
"tools": {
"list_pending": {}
}
}list_pending is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list_pending. 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 list_pending: 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.
list_pending 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 list_pending 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 list_pending. 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.
list_pending 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.