What is Claude Proxy?

Claude Proxy is a Cloudflare Workers-based proxy that converts Claude API requests into the OpenAI API format, enabling seamless communication between Claude-compatible clients and OpenAI-compatible services.

How can I start using Claude Proxy?

You can deploy it quickly to Cloudflare Workers with a single command or use the provided `claude_proxy.sh` script for simplified local setup, which includes an option to use a pre-configured public proxy.

Does Claude Proxy support Claude's tool calling feature?

Yes, it automatically converts Claude's `tools` format to OpenAI's format, including cleaning the input schema for compatibility with strict APIs like Google Gemini.

How does Claude Proxy simplify AI API integration?

It bridges Claude API clients (like Claude Code CLI) with OpenAI-compatible backends. It handles dynamic routing, streaming, and automatic conversion of Claude's `tools` format to OpenAI's.

Claude Proxy

Name: Claude Proxy
Author: DavidLabrin

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Converts Claude API requests into OpenAI API format using a Cloudflare Workers proxy, enabling seamless integration with OpenAI-compatible clients.

This TypeScript project provides a proxy server deployed on Cloudflare Workers, designed to bridge the gap between Claude and OpenAI APIs. It seamlessly converts requests formatted for the Claude API (`/v1/messages` endpoint) into the structure required by the OpenAI API. This allows existing Claude-compatible clients, such as the Claude Code CLI, to effectively communicate with any service that supports the OpenAI API format, including dynamic routing to various endpoints and automatic tool calling conversion for broader compatibility.

Key Features

01Dynamic routing to any OpenAI-compatible API endpoint via request URL

02Full Claude API `/v1/messages` compatibility, supporting streaming and non-streaming responses

03Automatic conversion of Claude's `tools` format to OpenAI's, with input schema cleaning

04Pre-configured fixed routes for Haiku models using environment variables

05Simplified local setup and configuration for Claude Code CLI via a dedicated script

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Use Cases

01Enable Claude API-compatible clients (e.g., Claude Code CLI) to interact with OpenAI API services

02Integrate Claude's tool calling features with strict OpenAI-compatible APIs like Google Gemini

03Streamline local development and configuration for AI model access