api-debugging

Intercept and inspect Coding Agent API traffic from Claude Code, Codex CLI, Gemini CLI, Cursor CLI, OpenCode, Kimi/Kimi Code, Pi, and Hermes in a local trace viewer.

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

JSON formatter • JSON prettifier • JSON beautifier desktop app. Format messy JSON files instantly. Free JSON viewer and organizer for Windows, macOS, Linux.

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

🔄 A Django middleware to record, track, persist, and replay API requests - enabling state restoration and precise debugging in volatile or reset-prone systems.

Chrome extension (Manifest V3) that captures every network request on any tab — full URLs, headers, cookies, query params, POST bodies, response headers, Set-Cookie, response bodies (text + binary) — and exports the whole session as ZIP, JSON, HAR or CSV in one click. Zero dependencies, 100% local, no telemetry.

一个更省心的 HTTP/HTTPS API 抓包工具，自动过滤静态资源与埋点，输出 JSONL/HAR，提供 Windows 开箱即用便携版。

Local-first observability and API debugging for TypeScript. Live traces, contextual logs, schema-aware testing, and OTLP export for Elysia, Express, Fastify, Hono, and Next.js.

HTTP(S) 抓包 / local MITM capture proxy — param transform, visual Mock, WebSocket. Windows & macOS.

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.

国内 AI API 中转站检测：OpenAI-compatible API、DeepSeek、Claude、Gemini、Cursor 的模型质量、SSE、工具调用、路由与生产排错

charles proxy download — Charles Proxy for Windows 11 & 10. Direct download, install steps and setup guide.

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

Sentry breadcrumbs for Laravel's HTTP client: method, URL, masked headers, JSON request payload and decoded response body for every outgoing call. No call-site changes.

Native, read-only MCP bridge exposing live Charles Proxy traffic to MCP clients like Claude Code, Codex and Cursor

Local multi-protocol LLM API tester for OpenAI-compatible, Anthropic & Gemini endpoints · 本地多协议 API 测活工具

See the HTTPS requests one Windows program sends, in a local web UI. Intercept, rewrite rules, decoders, HAR/Postman export.

Local HTTP/HTTPS traffic inspector for Windows. Capture and inspect requests from iPhone, Android, tablets, and PCs on your Wi-Fi through a Rust-native MITM proxy.

Full-stack AI-powered API debugging tool with FastAPI, React, PostgreSQL, and OpenAI API.

Compares API requests to detect failure patterns and surface likely causes with confidence scoring.