Amux

Amux

Bidirectional LLM API Adapter - A unified infrastructure for converting between different LLM provider APIs

[](https://opensource.org/licenses/MIT) [](https://www.typescriptlang.org/) [](https://pnpm.io/)

🌟 Features

• 🔄 Bidirectional Conversion: Convert between any LLM provider API formats
• 🎯 Type-Safe: Full TypeScript support with comprehensive type definitions
• 🔌 Extensible: Easy to add custom adapters for new providers
• ⚡ Zero Dependencies: Core package has zero runtime dependencies
• 🧪 Well-Tested: High test coverage with comprehensive test suites
• 📦 Tree-Shakable: Optimized for modern bundlers
• 🚀 8 Official Adapters: OpenAI, Anthropic, DeepSeek, Moonshot, Zhipu, Qwen, Gemini, MiniMax

🚀 Quick Start

Installation

# Install core package and adapters you need
pnpm add @amux.ai/llm-bridge @amux.ai/adapter-openai @amux.ai/adapter-anthropic

Basic Usage

import { createBridge } from '@amux.ai/llm-bridge'
import { openaiAdapter } from '@amux.ai/adapter-openai'
import { anthropicAdapter } from '@amux.ai/adapter-anthropic'

// Create a bridge: OpenAI format in → Anthropic API out
const bridge = createBridge({
  inbound: openaiAdapter,
  outbound: anthropicAdapter,
  config: {
    apiKey: process.env.ANTHROPIC_API_KEY,
    baseURL: 'https://api.anthropic.com'
  }
})

// Send OpenAI-format request, get OpenAI-format response
// But actually calls Claude API under the hood
const response = await bridge.chat({
  model: 'gpt-4',
  messages: [{ role: 'user', content: 'Hello!' }]
})

console.log(response.choices[0].message.content)

📦 Packages

Package	Description	Version	Status
@amux.ai/llm-bridge	Core IR and a