n8n-guard

io.github.flow-84/n8n-guard

Read-only health checks for self-hosted n8n: datastore growth, stuck runs, retention, git drift.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "n8n-guard": {
      "command": "npx",
      "args": [
        "-y",
        "n8n-guard@0.1.0"
      ],
      "env": {
        "N8N_API_KEY": "<your N8N_API_KEY>",
        "N8N_POSTGRES_URL": "<your N8N_POSTGRES_URL>"
      }
    }
  }
}
Environment variables
  • N8N_API_KEYsecretn8n Public API key. Required for the execution and workflow checks.
  • N8N_POSTGRES_URLsecretPostgres connection string. Takes precedence over N8N_SQLITE_PATH.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.0
Registry
active
Published
11/12/2026

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