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nordvpn_diagnose

Run diagnostics to identify and resolve NordVPN connection issues on macOS.

Instructions

Diagnose NordVPN issues

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • server.js:99-99 (registration)
    Tool name 'nordvpn_diagnose' registered as an entry in the TOOLS array with description 'Diagnose NordVPN issues'. This is a stub; the real implementation is in a native binary.
    ["nordvpn_diagnose", "Diagnose NordVPN issues"],
  • Generic stub handler for all tools including nordvpn_diagnose — returns a static message directing to install Local MCP. No real logic exists in this codebase.
    for (const [name, desc] of TOOLS) {
      server.tool(name, desc, {}, async () => ({
        content: [{ type: "text", text: "This is an inspection stub. Install Local MCP: npx -y local-mcp@latest setup" }],
      }));
    }
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must fully disclose behavioral traits. It only says 'diagnose', giving no details about what actions are performed, whether changes are made, what diagnostic information is gathered, or any side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise at four words, front-loading the purpose. It is efficient but could benefit from a bit more detail without becoming verbose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has no parameters, no output schema, and no annotations, the description is insufficient. A diagnostic tool typically produces output or logs, and the lack of any behavioral description makes it incomplete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has no parameters, so the input schema is fully covered. The description adds no parameter information, but the baseline of 4 is appropriate since there are no parameters to document.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool diagnoses NordVPN issues, specifying the verb 'diagnose' and the resource 'NordVPN issues'. However, it does not differentiate from sibling tools like nordvpn_status or nordvpn_servers, which could have overlapping functionality.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives. There is no mention of prerequisites, appropriate scenarios, or when to avoid using it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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