Specification for the Meld scripting language

Standardized error classes with structured troubleshooting information for Node.js and browser

Validatem validator for ensuring a value is an array, adding a single value into an Array if needed

Tiny superset of Express for strongly typed, contract-first API development. Supports OpenAPI, request validation, nested routers, and regular Express for incremental adoption.

Guardian SDK for Cardano

Hydra SDK - Bridge library for integrating with Hydra Layer 2 on Cardano (hydra-node v2.x)

Validation library to define and validate JSON Schemas for functions and express handlers. Supports filters.

Locale file validation engine — missing, duplicate, placeholder and unused key validators

The Glemo SDK: verify and issue credentials from any issuer with one call.

Validator for form value

Unified Shipping SDK for MENA Region — Aymakan, SMSA Express, Aramex, and more

`@pagopa/handler-kit` adapter for `Azure Functions`

Pure validator + integrity primitives for the Tabularium plugin manifest (`.tabularium`, JSON).

Shared types, enums, error classes, and ServiceResult helpers for the HOLON clinical knowledge API.

Map Sequelize errors to errors provided by generic-errors

NestJS module for adding translations to the application, with a pipe for translating validation errors

Parameter validation moddleware for @skhail/core. Uses Joi schema to validate parameters of service functions

Functional fetch toolkit: pipeable config functions over a plain options object, typed data flow, Standard Schema validation, smart retry and per-attempt timeout. Zero dependencies.

Internal Direqt service framework

Common errors library