Send weekly self-hosted instance health reports via Prometheus, GitHub and SMTP email
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 10 nodes and runs on a schedule (every week at 08:00) (plus 1 other trigger). It uses only n8n's built-in nodes. It also calls api.github.com over HTTP.
How it runs
Trigger: On a schedule (every week at 08:00) (plus 1 other trigger).
- Set report settings (Edit Fields (Set)): sets 5 fields: instanceUrl, metricsUrl, lookbackDays…
- Read version from metrics (HTTP Request): calls an HTTP API
- Run security audit (n8n): generate (audit)
- Get n8n releases from GitHub (HTTP Request): calls api.github.com
- Get failed executions (n8n): get many (execution)
- Get workflow names (n8n): get many (workflow)
- Build health report (Code): runs custom JavaScript code
- Send report by email (Send Email): sends an email over SMTP
HTTP calls to: api.github.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (7)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Manual Trigger
n8n-nodes-base.manualTrigger - Edit Fields (Set)
n8n-nodes-base.set - HTTP Request
n8n-nodes-base.httpRequest - n8n
n8n-nodes-base.n8n - Code
n8n-nodes-base.code - Send Email
n8n-nodes-base.emailSend
From the author
Quick overview This workflow runs weekly to check your self-hosted n8n instance version and security audit status, fetches the latest stable n8n releases from GitHub, summarizes failed executions from the last week, and sends a single HTML health report via…