devproxy

README

DevProxy

Charles Proxy for LLM APIs.

DevProxy provides an interactive debugging dashboard for LLM traffic. Inspect, pause, edit, and replay requests in real-time.

Quickstart

export OPENAI_API_KEY=sk-...
npx @stockyard/devproxy

# Your app:   http://localhost:5820/v1/chat/completions
# Dashboard:  http://localhost:5820/ui

What You Get

• Live WebSocket request inspector
• Pause/resume request flow
• Edit requests before forwarding
• Breakpoints on patterns
• Request/response diff view
• Interactive debugging dashboard

Config

# devproxy.yaml
port: 5820
providers:
  openai:
    api_key: ${OPENAI_API_KEY}
devproxy:
  capture: true
  breakpoints:
    - pattern: "DELETE"
    - header: "x-debug: true"
  websocket_port: 5821

Docker

docker run -p 5820:5820 -e OPENAI_API_KEY=sk-... stockyard/devproxy

Part of Stockyard

DevProxy is part of Stockyard — an open-source LLM proxy and control plane. MIT licensed.

Documentation

Overview

DevProxy — Stockyard Phase 3 P2 product.