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Discover & analyze n8n workflows from GitHub with OpenAI and Google Sheets

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🧠 Overview

Discover and analyze the most valuable community-built n8n workflows on GitHub.
This automation searches public repositories, analyzes JSON workflows using AI, and saves a ranked report to Google Sheets — including summaries, use cases, difficulty, stars, node count, and repository links.

⚙️ How It Works

  1. Search GitHub Code API — queries for extension:json n8n and splits results
  2. Fetch & Parse — downloads each candidate file’s raw JSON and safely parses it
  3. Extract Metadata — detects AI-powered flows and collects key node information
  4. AI Analysis — evaluates the top N workflows (description, use case, difficulty)
  5. Merge Insights — combines AI analysis with GitHub data
  6. Save to Google Sheets — appends or updates by workflow name

🧩 Setup Instructions (5–10 min)

  • Open Config node and set:
    • search_query — e.g., "openai" extension:json n8n
    • max_results — number of results to fetch (1–100)
    • ai_analysis_top — number of workflows analyzed with AI
    • SPREADSHEET_ID, SHEET_NAME — Google Sheets target
  • Add GitHub PAT via HTTP Header Credential:
    • Authorization: Bearer <YOUR_TOKEN>
  • Connect OpenAI Credential to OpenAI Chat Model
  • Connect Google Sheets (OAuth2) to Save to Google Sheets
  • (Optional) Enable Schedule Trigger to run weekly for automatic updates

> 💡 Tip: If you need to show literal brackets, use backticks like <example> (no HTML entities needed).

📚 Use Cases

1) Trend Tracking for AI Automations

  • Goal: Identify the fastest-growing AI-powered n8n workflows on GitHub.
  • Output: Sorted list by stars and AI detection, updated weekly.

2) Internal Workflow Benchmarking

  • Goal: Compare your organization’s workflows against top public examples.
  • Output: Difficulty, node count, and AI usage metrics in Google Sheets.

3) Market Research for Automation Agencies

  • Goal: Discover trending integrations and tool combinations (e.g., OpenAI + Slack).
  • Output: Data-driven insights for client projects and content planning.

🧪 Notes & Best Practices

  • 🔐 No hardcoded secrets — use n8n Credentials
  • 🧱 Works with self-hosted or cloud n8n
  • 🧪 Start small (max_results = 10) before scaling
  • 🧭 Use “AI Powered” + “Stars” columns in Sheets to identify top templates
  • 🧩 Uses only Markdown sticky notes — no HTML formatting required

🔗 Resources