# Use Prompt Flow for LLM workflow testing and evaluation

> Build a Prompt Flow graph, run interactive and batch tests, inspect traces and evaluation metrics, and promote only reviewed LLM workflow versions.

- Skill: `agentskillexchange/use-prompt-flow-for-llm-workflow-testing-and-evaluation` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/use-prompt-flow-for-llm-workflow-testing-and-evaluation`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/use-prompt-flow-for-llm-workflow-testing-and-evaluation/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/use-prompt-flow-for-llm-workflow-testing-and-evaluation

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# Use Prompt Flow for LLM workflow testing and evaluation

Build a Prompt Flow graph, run interactive and batch tests, inspect traces and evaluation metrics, and promote only reviewed LLM workflow versions.

## Prerequisites

Prompt Flow CLI, Python 3.9 through 3.11, promptflow and promptflow-tools packages, configured OpenAI or Azure OpenAI connection, optional VS Code extension.

## Installation

Use the upstream install or setup path that matches your environment:
- pip install promptflow promptflow-tools

Requirements and caveats from upstream:
- [![Python package](https://img.shields.io/pypi/v/promptflow)](https://pypi.org/project/promptflow/)
- [![Python](https://img.shields.io/pypi/pyversions/promptflow.svg?maxAge=2592000)](https://pypi.python.org/pypi/promptflow/)
- Create executable [flows](https://microsoft.github.io/promptflow/concepts/concept-flows.html) that link LLMs, prompts, Python code and other [tools](https://microsoft.github.io/promptflow/concepts/concept-tools.html)...

Basic usage or getting-started notes:
- To get started quickly, you can use a pre-built development environment. **Click the button below** to open the repo in GitHub Codespaces, and then continue the readme!
- [![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/microsoft/promptflow?quickstart=1)
- If you want to get started in your local environment, first install the packages:

- Source: https://github.com/microsoft/promptflow
- Extracted from upstream docs: https://raw.githubusercontent.com/microsoft/promptflow/HEAD/README.md

## Documentation

- https://microsoft.github.io/promptflow/index.html

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/use-prompt-flow-for-llm-workflow-testing-and-evaluation/)