#error-handling

Structured error protocol for Go — behavioral error classification (Rejection/Conflict/Transient/Corruption/Infrastructure), exit codes, HTTP status mapping, and diagnostic rules. Share the protocol, not the implementation.

Go with Zod inspired simple schema validation

A beautiful error page for Laravel apps

Automatic panic monitoring for Go and Go web frameworks, like negroni, gin, and revel

An Isomorphic Error Library

An opinionated F# Library for error handling

A context-aware concrete Error type built on core::error::Error.

Connect your PHP application to Inspector monitoring dashboard.

A dependency-light Go retry loop with exponential backoff and jitter, built on go-error-family.

Small, zero-dependency universal fetch wrapper for TypeScript with typed result envelopes

Lightweight Result type for TypeScript with generator-based composition.

PHP errors for cool kids

Resultar is a TypeScript library for robust, type-safe error handling without throwing exceptions. It's a fork of the neverthrow library, adding features for more flexibility in error handling

Typed async workflows with Result types and automatic error inference

Extensible, type-safe error classes for TypeScript with automatic code derivation, message interpolation, error grouping, and JSON serialization.

PHP 8.5+ shared exception contracts, context-aware bases, and secret redaction for the JOOservices ecosystem. Zero runtime dependencies.

Result pattern for .NET that replaces exceptions with type-safe return values. Features railway-oriented programming, ASP.NET Core integration, RFC 7807 Problem Details, and built-in pagination. Designed for production systems requiring explicit error handling without the overhead of throwing exceptions.

The safest way to make REST calls in C# with an MCP Generator

Acontplus dotnet libs

Fancy extension for std::error::Error with pretty, detailed diagnostic printing.

Better Error Reporting for Go

Self-hosted error-monitoring for Python pipelines: capture exceptions, deduplicate, diagnose root causes with LLMs, route alerts (Telegram/Slack/email/GitHub/S3), and auto-generate fix PRs — from a logging handler or one report() call.

Fully typed error handling.

Provides TestResult type for concise and precise test failures