Wraps a callback for request to handle errors, status codes and ECONNREFUSED in a nicer way

An Error subclass that will chain nested Errors and dump nested stacktraces

Structured network error classification — converts ECONNREFUSED/ETIMEDOUT/TLS errors into typed objects with cause analysis, retryability guidance, and escalation signals

Maps socket errors to SocketError objects subclassing httperrors.

request-retry wrap nodejs request to retry http(s) requests in case of error

Maps socket errors to SocketError objects subclassing httperrors.

NativeScript unit test runner

Stateful memory manager for agent loops — summarize, prune, and inject context, with a circuit breaker that escalates stagnant or no-progress runs instead of burning tokens.

Internal CLI tools for the VIP team at Automattic

Maps dns errors to DnsError objects subclassing httperrors.

Ignore errors conditionally in sync / async / promise functions and return a default value.

Check that email addresses are really able to accept emails by pinging the DNS and checking for active MX records.

Library for handling retry logic with undici HTTP client

It polls backends and if they respond with HTTP 200 + an optional request body, they are marked good. Otherwise, they are marked bad.

Framework-agnostic HTTP error & response standardization for Node.js - RFC 9457 Problem Details, secure-by-default error exposure, domain error catalogs, and first-class adapters for Express/Fastify/Koa/Hono.

TypeScript-first, browser-friendly VError-inspired error handling library

Generate Avatar Video with HeyGen

Suppress repeated events by key within a time window while counting what you dropped — kill log floods and alert flapping.

The typed application client for the shared [ours](https://ours.network) daemon, plus the daemon's package-private runtime used by the operator CLI.

A library for the MQTT protocol via proxy