Effect-TS / effect

TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.

hyperdxio / hyperdx

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

scanaislop / aislop

Catch and fix the code-quality issues AI coding agents leave behind - dead code, unsafe casts, swallowed errors, duplication, security risks, and more. 50+ deterministic rules across 10 language targets, with CLI, CI, and GitHub Actions. No LLM at runtime. MIT.

yoavbls / pretty-ts-errors

🔵 Make TypeScript errors prettier and human-readable in VSCode 🎀

bvaughn / react-error-boundary

Simple reusable React error boundary component

evloghq / evlog

Digging through logs is not observability. It's hope — wide events, structured errors, TypeScript-first, every runtime.

measure-sh / measure

Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.

Swetrix / swetrix

📈 Open source, privacy-first web analytics — a cookie-less Google Analytics alternative with built-in error tracking and performance monitoring. Self-host it or use our cloud. Get started for free!

mohak34 / opencode-notifier

OpenCode plugin for desktop notifications and sounds on permission, completion, and error events.

highlight / highlight

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

getsentry / sentry-javascript

Official Sentry SDKs for JavaScript

latitude-dev / latitude-llm

Open-source observability for AI agents. Find where your agents fail, dispatch your coding agent to fix it, and verify the fix against real traces.

tsedio / tsed

:triangular_ruler: Ts.ED is a Node.js and TypeScript framework on top of Express to write your application with TypeScript (or ES6). It provides a lot of decorators and guideline to make your code more readable and less error-prone. ⭐️ Star to support our work!

microsoft / responsible-ai-toolbox

Responsible AI Toolbox is a suite of tools providing model and data exploration and assessment user interfaces and libraries that enable a better understanding of AI systems. These interfaces and libraries empower developers and stakeholders of AI systems to develop and monitor AI more responsibly, and take better data-driven actions.

fullstack-build / tslog

📝 tslog - Universal Logger for TypeScript and JavaScript

true-myth / true-myth

Safe and idiomatic TypeScript types to handle null, error, and async code handling: Maybe, Result, and Task types that are really nice.

toss / suspensive

All-in-one for React Suspense — ErrorBoundary with shouldCatch, clientOnly to skip SSR for a boundary, Delay, and more

causaly / zod-validation-error

Wrap zod validation errors in user-friendly readable messages

bugsnag / bugsnag-js

JavaScript error handling tool for BugSnag. Monitor and report JavaScript bugs & errors.

ohosvscode / arkTS

🧩 VSCode鸿蒙ArkTS插件 ✨✍️ 支持各种补全/跳转 ⛺️ 支持codelinter检测代码错误 🎵 VSCode HarmonyOS ArkTS plugin for personal use ✨✍️ supports source code navigation and completion ⛺️ supports codelinter to detect errors

aiji42 / zod-i18n

Useful for translating zod error messages.

scopewu / qrcode.vue

A Vue component to generate QRCode. QRCode vue supports both Vue 2 and Vue 3. It offers two QR code formats: canvas and svg. Customize QR code size, margins, error correction level, foreground and background colors, logo images, and gradient effects.

comet-ml / opik-openclaw

🦞 Official plugin for OpenClaw that exports agent traces to Opik. See and monitor agent behaviour, cost, tokens, errors and more.

lizhiyao / sentry-miniapp

Cross-platform Sentry SDK for WeChat Mini Programs, WeChat & Douyin Mini Games, Taro and uni-app — error monitoring, performance monitoring and Source Maps | 微信小程序、微信小游戏、抖音小游戏等多端项目的异常监控、性能分析与源码定位

carloscuesta / react-native-error-boundary

A simple React-Native error boundary component 🐛

loglayer / loglayer

A modern logging library for Javascript / Typescript that routes logs to various logging libraries, cloud providers, files, StatsD, and OpenTelemetry while providing a fluent API for specifying log messages, metadata and errors.

PV-Bhat / vibe-check-mcp-server

Vibe Check is a tool that provides mentor-like feedback to AI Agents, preventing tunnel-vision, over-engineering and reasoning lock-in for complex and long-horizon agent workflows. KISS your over-eager AI Agents goodbye! Effective for: Coding, Ambiguous Tasks, High-Risk tasks

preetsuthar17 / hextaui

shadcn/ui components, hooks and AI blocks built on Base UI, with loading, error, empty and other hard states handled.

danielroe / my-bad

Beautiful dev-server error pages that live update. ✨

alesha-pro / atlas

Interactive canvas for taking an LLM apart tensor by tensor: measured INT8/INT4/FP8 error, distributions, spectra and outlier channels for every weight tensor

agentblazo / blazo

Runs, traces, tool calls, LLM calls, errors, latency, tokens, and eventually detection for agents that appear stuck or caught in loops.

nestjs / observe

Auto-instrumentation module for Nest framework (node.js) 📈

naveenautomationlabs / reporting-labs

One beautiful HTML test report for Playwright, Cypress and WebdriverIO, with Cucumber BDD. Shows what broke, who owns it and whether it is new. Plain-language errors, secrets masked, no server, no API keys.

atc07 / sheets-mcp

A local Google Sheets MCP server built for agent workflows in Claude Code and Claude Desktop: write API, script and file output into sheets, combine spreadsheets, refresh them on a schedule, across multiple Google accounts. Undo and formula-error checks on every write.

telemetry-dev / telemetry

Trace AI applications and agents, and monitor token usage, cost, latency, and errors with OpenTelemetry.

TeamSpringbird / effect-temporal

Author workflows with Effect — schemas, typed errors, composition — and run them on Temporal's retries, timers, signals, and history.

wisecort / LogDeck

Read-only Kubernetes log explorer for macOS, Linux and Windows: colored levels, grouped errors, previous-container view.

20000419 / fauxnix

Run Linux-style commands on Windows via deterministic bash→PowerShell translation. No VM, no WSL. MCP server + CLI built for AI agents (Claude Code, Codex, OpenCode...). GNU-style output, bash-style errors, UTF-8/GBK handled.