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

Charles Proxy MCP server for AI agents with live capture, structured traffic analysis, and agent-friendly tool contracts

Native, local-first network intelligence for macOS—capture live traffic, inspect PCAP/PCAPNG files, and investigate sessions, protocols, processes, flows, and packet evidence.

Inspect, mock and reshape HTTP/S traffic on macOS. Free, public-domain, native — the modern Proxyman alternative, built on mitmproxy.

Fatbeans.MCP.Client 是独立的控制台客户端，用于从命令行、脚本、外部进程或 AI Agent 调用Fatbeans Creater提供的MCP工具服务。

Educational HTTPS traffic inspector in Go—run curl, AWS CLI, Node, or Python commands through a local MITM proxy to log decrypted requests, responses, headers, and bodies.

通信调试，TCP调试，串口调试，通信协议调试，设备通信仿真

CLI utility to check DNS propagation using multiple DNS servers

MQTT connectivity lab: throttle, flake, and observe client resilience.

A Windows HTTP(S) debugging proxy built from scratch in C# and .NET 10. Capture, inspect, filter, replay, and compose HTTP/1.1, HTTP/2, and upstream HTTP/3 traffic with TLS decryption and rich body views.

iOS debugging SDK — network inspector, WebSocket viewer, log console, API mocking, and storage browser in one floating bubble. One line to integrate. Readable by AI agents via MCP.

Android-first HTTP/HTTPS debugging proxy with HTTPS MITM, a real-time WebUI, media previews, and response mocking.

Local Claude Code HTTP traffic inspector with a desktop GUI and agent API. Capture prompts, tools, SSE, errors, and tokens.

A proxied shell for terminal workflows. Open a session and run commands through a proxy.

How to set up proxy on Android via Wi-Fi, APN, ADB system-wide, and app-level OkHttp. Working HTTP and SOCKS5 code samples for Android proxy server setup, tested on Android 12 through 15.

Diagnostic toolkit for network egress issues — detect proxy misconfigurations, DNS leaks, and connectivity problems

A bridge that connects VPP (Vector Packet Processing) interfaces with Wireshark, enabling real-time packet capture and analysis. Supports remote monitoring via UDP and Unix sockets with a Wireshark extcap interface.

Awesome Network Debugging

Egress verify / 出口验证 / IP whitelist checker / HTTP relay：轻量服务代发 HTTP/HTTPS，验证白名单、公网 IP、代理、路由、防火墙、SSRF 防护；含 SQLite 审计 + Web UI。Lightweight HTTP forwarder for whitelist, NAT, EIP, proxy, firewall validation, with full request/response audit logs.

A lightweight Unix-style HTTP debugging client written in C.