List tasks with optional status filter.
AI agents call list_tasks to retrieve information from N2n Nexus without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries task data based on optional filters. The verb 'list' is a read operation that does not create, modify, delete, or execute any external operations. The optional status filter narrows the query but remains a passive retrieval. No destructive, financial, or code execution capabilities are implied. Confidence is high because the name and description clearly indicate read-only behavior.
From the tool's definition Tool name 'list_tasks' and description 'List tasks with optional status filter' indicate a query/retrieval operation with no data modification or side effects.
Documented attack patterns abuse exactly the kind of access list_tasks gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and N2n Nexus, and nothing reaches the server without passing your rules. This is the rule we recommend for list_tasks:
{
"version": "1",
"default": "deny",
"tools": {
"list_tasks": {}
}
}list_tasks is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List tasks with optional status filter. It is categorised as a Read tool in the N2n Nexus MCP Server, which means it retrieves data without modifying state.
Register the N2n Nexus MCP server in PolicyLayer and add a rule for list_tasks: 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 N2n Nexus. Nothing to install.
list_tasks 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_tasks 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_tasks. 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_tasks is provided by the N2n Nexus MCP server (n2ns/n2n-nexus). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from N2n Nexus, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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22 N2n Nexus tools catalogued and risk-classified — across an index of 43,000+ MCP servers.