n8n
n8n is an open-source workflow automation platform. It provides a visual interface for connecting apps and services, with built-in AI nodes for LLM operations. Respan gives you full observability over every workflow execution and AI node call through a community node.
Set up Respan
Create an account at platform.respan.ai and grab an API key.
Run npx @respan/cli setup to set up with your coding agent.
Tracing
Setup
Install the Respan n8n node package
After installation, restart n8n so the new node becomes available.
Configure Respan credentials in n8n
In the n8n UI, go to Settings > Credentials and create a new Respan API credential. Paste your Respan API key.
Add the Respan node to your workflows
Drag the Respan node into any workflow where you want to trace LLM operations. Connect it to your AI nodes and select the credential you configured.
View your trace
Open the Traces page to see workflow runs with AI node calls, inputs, outputs, and timing.