Evaluate tool usage accuracy in multi-agent AI workflows using evaluation nodes
Research & reporting workflow for n8n with 15 active steps. Starts with Chat Trigger, Evaluation Trigger. Uses OpenRouter, OpenAI. Integrations include OpenRouter, OpenAI, Qdrant.
What it does
15 active nodes · Starts with Chat Trigger, Evaluation Trigger.
Steps in the template include:
- Calculator (Calculator)
- Check if tool called (Edit Fields (Set))
- When chat message received (Chat Trigger)
- Match chat format (Edit Fields (Set))
Nodes and integrations
- Calculator
- Edit Fields (Set) ×2
- Chat Trigger
- No Operation, do nothing
- Evaluation Trigger
- Evaluation ×3
- AI Agent
- Call n8n Workflow Tool
- http Request Tool
- OpenRouter Chat Model
- Embeddings OpenAI
- Qdrant Vector Store
See the author’s step names
- Calculator (Calculator)
- Check if tool called (Edit Fields (Set))
- When chat message received (Chat Trigger)
- Match chat format (Edit Fields (Set))
- Return chat response (No Operation, do nothing)
- When fetching a dataset row (Evaluation Trigger)
- Evaluation (Evaluation) — setMetrics
- Evaluating? (Evaluation) — checkIfEvaluating
- Set Outputs (Evaluation)
- Search Agent (AI Agent)
- Summarizer (Call n8n Workflow Tool)
- Web search (http Request Tool)
- OpenRouter Chat Model (OpenRouter Chat Model)
- Embeddings OpenAI (Embeddings OpenAI)
- Search_db (Qdrant Vector Store)
Accounts and credentials
- Google Sheets
- OpenRouter access
- OpenAI access
- Qdrant
Credential types in the graph: googleSheetsOAuth2Api, httpBearerAuth, openRouterApi, openAiApi, qdrantApi
Check the HTTP request steps for any additional service accounts or API keys.
AI models and swaps
OpenRouter · Chat
openai/o3 in OpenRouter Chat Model. Potentially swappable with a compatible n8n chat model node. Match tool calling before testing.
OpenAI · Embeddings
Model ID not specified in the template in Embeddings OpenAI. Changing the embedding model may require rebuilding the vector index and matching its dimensions.
Resource information
- Credit basis
- Author listed by n8n
- Pricing
- Template access shown on n8n
- License
- Not specified
- Last record update
- Nov 5, 2026