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Inspect, mock and reshape HTTP/S traffic on macOS. Free, public-domain, native — the modern Proxyman alternative, built on mitmproxy.
macos swift debugging proxy http-proxy mocking developer-tools mitmproxy swiftui http-debugging network-debugging web-debugging proxyman-alternative charles-alternative
An extensible web development and debugging tool for coding agents.
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.
csharp dotnet winforms http-proxy developer-tools http3 fiddler traffic-inspection https-inspection mitm-proxy debugging-proxy network-debugging fiddler-classic web-debugging fiddler-alternative
Chrome devtools snippet : reveal who changed your DOM
debugging chrome-devtools frontend dom devtools mutationobserver snippet classlist devtools-snippet web-debugging
Evidence-first local MCP debugger for React, Vite, Next.js, Chromium, and Safari: reproduce, inspect, replay, and verify web bugs in one bounded workflow.
react mcp nextjs safari chromium developer-tools cdp codex vite playwright webdriver-bidi model-context-protocol web-debugging
HAR-based HTTP provenance analyzer that traces cookies, tokens, headers, and request dependencies with temporal evidence.
python har traffic-analysis web-scraping network-analysis browser-automation http-analysis request-tracing web-debugging api-reverse-engineering har-analysis
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.
macos mock-server har http-proxy https-proxy autoresponder fiddler macos-app api-mocking har-viewer mitm-proxy debugging-proxy network-debugging fiddler-classic web-debugging charles-proxy-alternative proxyman-alternative har-replay fiddler-alternative fiddler-mac
A browser work environment for AI agents: automate, debug, and verify in the browser of your choice.
A debug bridge embedded inside your web app, exposing runtime internals to AI agents via MCP.
mcp devtools browser-automation cypress websocket-bridge windsurf dom-inspector cursor-ide model-context-protocol mcp-servers claude-code model-context-protocol-servers web-debugging model-context-protocol-server agentic-web
A libuvcpp-powered multi-protocol web debugging workbench and gateway
A lightweight in-browser Request Viewer that intercepts and displays fetch/XHR requests in real time. Includes filters, live UI, POST parsing, export to JSON, auto-copy, and a floating DevTools console panel. Just paste it into DevTools and start capturing.
javascript userscript reverse-engineering json-export developer-tools tampermonkey web-security network-analysis security-research http-interception browser-devtools request-capture web-debugging in-browser-tool passive-analysis manual-analysis fetch-xhr cli-free
play.xbox.com 的本地调试脚本：串流链路读数（丢包 / RTT / 码率 / 分辨率）+ 区域字段、机房、画质对照开关。非官方项目，与 Microsoft 无关联。
Chrome extension to inspect marketing attribution, tracking parameters, cookies, redirects and pixel requests. 100% client-side, no telemetry.
javascript chrome-extension debugging tracking privacy analytics attribution google-analytics adtech developer-tools facebook-pixel utm marketing-analytics gclid fbclid manifest-v3 web-debugging pixel-tracking
Test Bae – An online website inspection tool for instant, real-time analysis. No data stored; lightweight and fast for developers and curious users.
web-testing url-inspector privacy-focused developer-tool website-analyzer network-tool website-inspection web-debugging online-inspect
A privacy-conscious TypeScript toolkit for researching browser network activity, runtime behavior and web application architecture.
chrome-extension privacy typescript devtools browser-extension network-analysis security-research chrome-devtools-protocol manifest-v3 web-debugging browser-research browser-observability
Token-efficient browser MCP server: headless Chrome in Docker that captures everything (console / network / IndexedDB / snapshots) and lets the model query on read. 56 tools across full / slim / gateway mount modes.
typescript mcp browser-automation headless-chrome claude puppeteer ai-agent anthropic model-context-protocol web-debugging token-efficient
Capture browser game sessions (console, HAR, WebSocket frames, bundles) and inspect them with Claude chat
react typescript websocket reverse-engineering devtools game-development har fastify claude playwright anthropic-api web-debugging
A high-performance modular CLI tool to manage, analyze, and test HTTP cookies. Features real-time health tracking, domain grouping, and curl export integration.
python developer-tools http-cookies api-testing cookie-manager security-tools cli-tool web-debugging
Offline HAR viewer & secret redactor — open a .har file in your browser to inspect requests, headers, timings and a waterfall, and automatically detect & redact secrets (tokens, cookies, API keys, passwords, cards) before sharing. 100% client-side, nothing uploaded.
redaction security privacy network devtools har secrets client-side har-file har-viewer web-debugging har-analyzer
Arena de depuração em que equipes corrigem desafios visuais, acessibilidade, formulários e responsividade em rodadas lúdicas.
javascript css html github-pages gamification education-technology sala-de-aula gamificacao educacao-tecnologica web-debugging classroom-games portugues-brasil eetepa
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