TruLens Evaluation Workflow

A systematic approach to evaluating your LLM application.

When to Use This Skill

Use this skill when you want to:

• Set up comprehensive evaluation for a new LLM app
• Improve an existing app's evaluation coverage
• Understand the full TruLens workflow
• Know which sub-skill to use for your current task

Required Questions to Ask User

Before implementing, always ask the user these questions:

1. App Type (determines instrumentation wrapper)

• What framework is your app built with? (LangChain, LangGraph/Deep Agents, LlamaIndex, Custom)