Draft customer-facing changelogs from merged GitHub PRs with OpenAI and Gmail

by Daniel Shashko ✓ · 0 views · created 2026-09-01 · Content Creation, AI Summarization

What this workflow does

This AI workflow has 20 nodes and runs on a schedule (every week at 16:00) (plus 1 other trigger). Along the way it connects GitHub, OpenAI Chat Model and Gmail.

How it runs

Trigger: On a schedule (every week at 16:00) (plus 1 other trigger).

1. Settings (Edit Fields (Set)): sets 7 fields: repos, days, skip_prefixes…
2. List Your Repos (Code): runs custom JavaScript code
3. Fetch What Closed Recently (GitHub): get issues (repository)
4. Keep Only What Shipped (Code): runs custom JavaScript code
5. Drop What Nobody Can See (Code): runs custom JavaScript code
6. Read What You Already Shipped (Data table): get
7. Only What Is New (Code): runs custom JavaScript code
8. Anything To Write About? (If): checks a condition and branches into true / false
9. Would A Customer Notice? (Basic LLM Chain): sends a prompt to an LLM, with model: Model
10. Read The Verdicts (Code): runs custom JavaScript code

…plus 6 more steps. See the full node list below.

Services it uses

GitHubOpenAI Chat ModelGmail

Before you upgrade to n8n 3.0

Nodes used (11)

• Schedule Triggern8n-nodes-base.scheduleTrigger
• Manual Triggern8n-nodes-base.manualTrigger
• Edit Fields (Set)n8n-nodes-base.set
• Coden8n-nodes-base.code
• GitHubn8n-nodes-base.github
• Data tablen8n-nodes-base.dataTable
• Ifn8n-nodes-base.if
• Basic LLM Chain@n8n/n8n-nodes-langchain.chainLlm
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Gmailn8n-nodes-base.gmail
• No Operation, do nothingn8n-nodes-base.noOp

From the author

Quick overview Reads merged pull requests from your repositories, drops the bots and the changes nobody outside the team can see, asks a model which of the rest a customer would notice, and drafts the changelog as a Gmail draft. Nothing is sent. How it works…

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