You can add error middleware to APIs made with Elysia

Koa middleware adding a custom boom method to the context.

The interface definition of AMFlow, a playlog communication interface

ExpressJS middleware to reduce boilerplate in response creation

Standard HTTP error classes with native cause support and automatic serialization

Utility for deserializing grpc-status-details-bin

## Installation

Module which will provide HTTP-friendly error objects

Contrato compartido (tipos del protocolo) entre el SDK de Qhel y el engine.

SNAPP Application

HTTP errors

type-safe apis for nextjs

IANA timezone data plus a server-rendered `<TimezoneSelect>` for Sprigr marketplace apps that collect a "pick your timezone" form value.

# Example

ExpressJS middleware to reduce boilerplate in response creation

iso-error web extension

Framework-agnostic TypeScript utilities for Delightstack — the DelightError error class, reactive Svelte 5 helpers, attachments, and DOM utilities.

ExpressJS middleware to reduce boilerplate in response creation

WASM HTTP parser and Radix Trie router - works in browser and server

Vendor-neutral LLM protocol for auto-hwp chat-editing: EditRequest/EditResponse types, buildDocContext (R5 fence), buildSystemPrompt (INTENT-SCHEMA excerpt, allowed-intent subset), validateRequest/validateResponse (whitelist + structure). Pure, isomorphic