PromptMage

Overview

PromptMage is a Python framework that simplifies multi‑step LLM application development. It offers prompt version control, a visual playground with history, automatic FastAPI generation, and manual/automatic evaluation for reliable testing and collaboration.

From the official site

PromptMage

The text above is quoted from this tool’s official website — the vendor’s own words.

Key points from the official site

• API Reference
• Prompts as first-class citizens with version control and collaboration features
• Manual and automatic testing and validation of prompts
• build-in, automatically created API with fastAPI for easy integration and deployment
• Type-hint everything for automatic inference and validation magic

The points above are quoted from this tool’s own website sections and feature lists — vendor copy, not our review.

How to use it

1. Register at promptmage.io and read the quick-start documentation
2. Create a test project and run the first example end to end
3. Adjust parameters and invocation patterns to fit your requirements
4. Once stable, connect it to production with error handling and rate limiting