debugging-proxy

Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven. For developers, by developers.

MCP server enabling agents to debug HTTP requests better (using powhttp)

Free, open-source HTTP, HTTPS and WebSocket debugging proxy for Windows and macOS. Rust core + Electron UI. Alternative to Charles, Proxyman and Fiddler.

Free, open-source Fiddler Classic alternative for Windows. Capture, inspect, filter, replay, compose and mock HTTP/HTTPS traffic with TLS decryption, HTTP/2, HTTP/3 and SAZ support.

A modern Fiddler Classic alternative for macOS. A Fiddler clone for Mac: capture and inspect HTTP/HTTPS traffic, and replay HAR files with an AutoResponder.

Wirepane: an HTTPS debugging proxy inside Claude Code (Proxyman/Charles alternative). Intercepts and decrypts traffic from your browser, iOS Simulator, iPhone and Android, lists and filters every request, and lets Claude read them.

HTTP(S) debugging proxy for macOS, Windows and Linux: capture, inspect, mock, break and replay traffic, diagnose what slows it down, and see what AI agents like Claude Code and Codex do — LLM calls, tokens and costs, MCP tool calls, prompt cache. A modern Fiddler alternative.

Native HTTP(S) debugging proxy for Windows, Linux and macOS that keeps up with big sessions (Rust, GPUI)

Free HTTP/HTTPS debugging proxy for macOS. Open-source alternative to Proxyman, Charles and Fiddler.

A terminal-first, lightweight HTTP debugging proxy for mobile and web, with a real-time web dashboard.

MCP-powered debugging proxy: let AI agents inspect, search and rewrite your app's HTTP(S) & WebSocket traffic. Web UI, CLI and TUI in a single Go binary.

Wireway: HTTPS debugging proxy for macOS. Inspect and modify traffic from Android, iOS and the Simulator, and drive it from AI agents over MCP. Commercial app; releases and issue tracker.

Cross-platform HTTP/HTTPS/WebSocket debugging proxy GUI powered by whistle, built with Electron and React.

Отладочный HTTP/HTTPS-прокси для macOS и Windows: трафик компьютера, iPhone и Android, Map Local, Edit & Send, скрипты, HTTP/2

Intercepting forward proxy library for Go that supports HTTP/1.1, HTTP/2, HTTP/3, gRPC, WebSocket, TCP, QUIC and UDP, in explicit, transparent and SOCKS5 modes.

Sekisho 関所 · a native macOS HTTP(S) debugging proxy on SwiftNIO: SSL Proxying with its own CA, breakpoints, Map Local and Remote, scripting, per-app traffic.

A native macOS debugging proxy for HTTP, HTTPS and WebSocket traffic, built in Go with MyGo.

Local HTTP/HTTPS debugging proxy that understands LLM API traffic (OpenAI, Anthropic, Gemini, Copilot): token usage, cost, streaming reconstruction. Sessions saved as plain JSON so coding agents can read them.

A free, open-source debugging proxy for macOS, Windows and Linux. Capture this machine, your phone or a simulator, read each request and send it again — everything stays on your machine.

Cross-platform MITM debugging proxy and traffic inspection studio in Go and React 19 with local CA auto-trust and live rewrite rules.