Easily generate "custom" error objects with addition properties which can be stringfied with JSON.stringify

SQS partial batch failure middleware for the middy framework

Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.

Skip the rest of Cypress tests on first failure

Failure detection for processes, connections and distributed systems

Gets you the Cypress test command log as JSON on failure

An intelligent Playwright HTML reporter with AI-powered failure analysis, flakiness detection, and performance regression alerts

custom failure message on any jasmine assertion

Local GitHub Actions runner — pause on failure, ~0ms cache, official runner binary. Built for AI coding agents.

Failure-first spec stress test — inverts sycophancy to surface failure modes (C2/P1).

Middy dynamodb partial batch failure

Reporter that only logs on failure

Failure forensics collector and reporter for Playwright

Random failure injection utility for Vyriy projects

A utility to print message with an async success or failure in node.js

Typed terminal application control and testing with snapshots, recordings, and failure artifacts

Useful type to model success and failure

Bail after first test failure

Hackable HTTP proxy to simulate server failure scenarios and network conditions

Apex Test Class Failure Helper - analyze and fix Salesforce test failures with AI