Templates / Build an AI-powered tech radar advisor with SQL DB, RAG, and routing agents

Build an AI-powered tech radar advisor with SQL DB, RAG, and routing agents

Needs changes

by Sean Lon ✓ · 15,682 views · created 2025-03-13 · Internal Wiki, AI RAG

Needs changes. This template uses 2 thing(s) that n8n 3.0 removes: Cron, AI Agent v1 (old agent modes). 2 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 37 nodes and runs on a schedule (legacy Cron node) (plus 3 other triggers). Along the way it connects Google Drive, MySQL, Google Sheets and Google Docs and 6 more.

How it runs

Trigger: On a schedule (legacy Cron node) (plus 3 other triggers).

  1. MySQL: delete table
  2. Download Doc File From Google Drive (Google Drive): download
  3. LLM - Determine - Agent Input Router (Basic LLM Chain): sends a prompt to an LLM, with model: AI Chatmodel - Deepseek 32B
  4. AI Agent: runs an AI agent, with model: AI Chat Model - Claude 3.5 Sonnet; 3 tools (2_Get Table Definition, 3_Execute actual query, 1_Get DB Schema and Tables List)
  5. Google Sheets: uses Google Sheets
  6. Pinecone Vector Store: stores documents in the Pinecone vector store, with embeddings: Embeddings - Tech Radar Data Embedding; document loader: Doc File Data Loader
  7. Determine if is 'RAG' (If): checks a condition and branches into true / false
  8. MySQL: uses MySQL
  9. Code: runs custom JavaScript code
  10. Code: runs custom JavaScript code

…plus 8 more steps. See the full node list below.

Services it uses

Google DriveMySQLGoogle SheetsGoogle DocsPinecone Vector StoreVector Store Question AnswerEmbeddings Google GeminiGoogle Gemini Chat ModelAnthropic Chat ModelGroq Chat Model

Before you upgrade to n8n 3.0

2 things in this workflow are removed in n8n 3.0. Fix them before you upgrade:

  • Cron: replace with Schedule Trigger.
  • AI Agent v1 (old agent modes) in AI Agent - Output Guardrail (v1.7), AI Agent -DB Sql Agent (v1.7), AI Agent - RAG (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Removed in 3.0Replace with
Cron
Cron
Schedule Trigger
AI Agent v1 (old agent modes)
AI Agent - Output Guardrail (v1.7), AI Agent -DB Sql Agent (v1.7), AI Agent - RAG (v1.7)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (24)

From the author

AI-Powered Tech Radar Advisor This project is built on top of the famous open source ThoughtWorks Tech Radar. You can use this template to build your own AI-Powered Tech Radar Advisor for your company or group of companies. Target Audience This template is…

Excerpt from Sean Lon's description on n8n.io.

View the original on n8n.io → Check your own copy

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