Prompt Template Builder

Build a tool for creating, testing, and sharing prompt templates with variable placeholders, version history, A/B testing results, and a community template library.

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Objectives

Create prompt templates with {{variable}} placeholders
Fill variables and test prompts against an LLM
Track version history of template changes
Compare outputs with A/B testing
Share templates with the community

Hints

Use regex to detect and extract {{variables}}
Store template versions with timestamps
Rate and categorize templates for discovery