OpenAI Assistant with Custom n8n Tools

Inside this workflow

Overview

Create advanced OpenAI Assistants that call out to n8n workflows as custom tools. Enables AI agents to perform complex automation tasks, access external systems, and provide richer capabilities than standard GPT. Nodes & apps: Manual trigger, OpenAI Assistants API, Execute Workflow node, Sticky Notes, Stop node. Credentials needed: 1. OpenAI API key 2. OpenAI Assistants API access Setup steps: 1. Create OpenAI Assistant in API 2. Define tool schemas for n8n workflows 3. Configure Execute Workflow nodes 4. Map assistant responses to tool calls 5. Test with sample prompts 6. Deploy with error handling Difficulty: High | Setup time: 20 minutes | Price: $34 | Nodes: 14 | Source: automation_summarize_stickynote_automation_triggered_1

What's included

Quickstart

1. 01

   Download the JSON

   With an active Library Pass, download the workflow file right from this page or your dashboard.

2. 02

   Import into n8n

   Choose Import from File and select the downloaded JSON. The full agent graph appears, ready to configure.

3. 03

   Plug in credentials

   Each integration node prompts for credentials on first run. The setup guide lists every credential the agent expects.

4. 04

   Activate and test

   Run once with sample input, confirm the expected output, then flip the activate toggle.

Sign in to leave a review.