n8n_diagnostic

SERVERObsidian Elite RAG MCP Server SOURCEaegntic/aegntic-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aegntic-aegntic-mcp/n8n-diagnostic.md

WHAT IT DOES

What n8n_diagnostic does on Obsidian Elite RAG MCP Server

AI agents call n8n_diagnostic to retrieve information from Obsidian Elite RAG MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why n8n_diagnostic is rated Low

This tool retrieves and reports diagnostic data about system configuration, connectivity, and enabled/disabled tools. It has no write, execute, destructive, or financial capabilities.

From the tool's definition The tool 'diagnoses' n8n API configuration and 'shows current configuration status', 'returns detailed diagnostic information including environment variables, API connectivity, and tool registration status' — these are querying/inspection operations with no…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs n8n_diagnostic safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Obsidian Elite RAG MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For n8n_diagnostic, this is the rule to start with:

n8n_diagnostic Allowed

n8n_diagnostic is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "n8n_diagnostic": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Obsidian Elite RAG MCP Server, apply this rule, and every n8n_diagnostic call is checked against it from then on.

FAQ

Questions about n8n_diagnostic

What does the n8n_diagnostic tool do? +

Diagnose n8n API configuration and management tools availability. Shows current configuration status, which tools are enabled/disabled, and helps troubleshoot why management tools might not be appearing. Returns detailed diagnostic information including environment variables, API connectivity, and tool registration status. It is categorised as a Read tool in the Obsidian Elite RAG MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on n8n_diagnostic? +

Register the Obsidian Elite RAG MCP Server MCP server in PolicyLayer and add a rule for n8n_diagnostic: 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 Obsidian Elite RAG MCP Server. Nothing to install.

What risk level is n8n_diagnostic? +

n8n_diagnostic is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit n8n_diagnostic? +

Yes. Add a rate_limit block to the n8n_diagnostic 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.

How do I block n8n_diagnostic completely? +

Set action: deny in the PolicyLayer policy for n8n_diagnostic. 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.

What MCP server provides n8n_diagnostic? +

n8n_diagnostic is provided by the Obsidian Elite RAG MCP Server MCP server (aegntic/aegntic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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