network-debugging

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.

Protocol discovery and replay for line-based network traffic - capture proxy in Go, deterministic replay, diff and schema inference in Rust.

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。

A lightweight, cross-platform TCP, UDP & WebSocket debugger built with Tauri, Rust and Vue. Test clients and servers with hex tools, auto-reply, DNS lookup and network diagnostics.

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 tiny Cloudflare Snippet that echoes your IP, geo, ASN, edge location, TLS, RTT, language, and user agent as JSON or plain text.

Run terminal commands through a proxy. Choose a country or city and route a shell session or a single command through a proxy. Your other apps and terminals keep their normal connection.

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

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

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.

CLI utility to check DNS propagation using multiple DNS servers

Android's two HTTPS blockers — device trust and proxy routing — scripted end to end, with pre-flight checks that catch the usual traps first. Pinned, CI-tested, one YAML for both platforms.

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

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

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.

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