PromptXA flexible and extensible Prompt DSL

Build AI prompts with templates, variables, chaining, and intelligent expansion

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🚀

Zero Dependencies

Pure TypeScript with no external runtime dependencies, ensuring maximum compatibility and minimal bundle size

🔧

Flexible Builder

Chain-based API for building complex prompts with ease

📝

Template System

Structured templates with semantic blocks and conditional logic

🔄

Variable Substitution

Dynamic content with {{variable}} syntax and branching logic

🛠️

Tool Integration

Built-in support for function calling and tool requirements

⚡

High Performance

Ultra lightweight (< 5KB gzipped) with optimized operations

Quick Start

typescript

import { P, PromptNode } from '@promptsx/core'

const builder = P()
const systemNode = new PromptNode('system')

systemNode
  .setRole('code-assistant', 'A helpful coding assistant')
  .content('You are an expert developer')
  .important('Always provide working code examples')

builder.nodes.push(systemNode)
const prompt = builder.build()

console.log(prompt)

Why PromptX?

🎯 Simple & Intuitive: Easy-to-use API that makes prompt building straightforward
🚀 Production Ready: 100% test coverage with comprehensive error handling
🔒 Type Safe: Full TypeScript support with comprehensive type definitions
📦 Lightweight: Minimal bundle size for optimal performance
🔄 Flexible: Combine builder pattern with direct functions for maximum control