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News
From SkillCheck to TraceMantle: Tracking Agent Skill Changes and Test Evidence
4+ hour, 32+ min ago (637+ words) I’ve renamed SkillCheck to TraceMantle and expanded its scope. The original project focused mainly on validating AI agent skill files. TraceMantle retains that functionality and adds support for tracking the files in a skill package, comparing changes, and checking whether…...
Is Your Project Actually Working, or Are You Just Getting Lucky?
8+ hour, 44+ min ago (274+ words) Health-Checking Node.js Repositories with RepoDoctor A Node.js project might run smoothly on your local machine. But what happens when …...
Snapshot Exit, Stdout, and Stderr Before One Flag Extract
13+ hour, 53+ min ago (963+ words) Messy CLIs fail at the process boundary, not helpers. Snapshot three channels before extracting one flag parser. Exit code, stdout shape, and stderr tokens form the contract. A flag extract looks local inside the editor. The process contract is not…...
Claude Code Just Shipped Evals for Plugins.
10+ hour, 2+ min ago (945+ words) Version 2.1.269 runs every case six times, three with your plugin loaded and three without. The threshold flag grades the with-arm alone, at 1.0 by default. A case can pass perfectly with a delta of zero, and your build goes green. On…...
The Tool Worked. That Was the Problem
10+ hour, 16+ min ago (1337+ words) Why AI engineering capabilities should compete against a competent baseline before earning a place in your stack. Same task. Same result. Very different …...
My Copy Buttons Vanished on Production. The Bug Was Three WordPress Layers Deep
16+ hour, 50+ min ago (252+ words) I shipped a small feature: 49 "📋 Copy Prompt" buttons on a prompt-library page, each with an inline onclick that copies text to the clipboard. Worked perfectly in preview. Went live. Every single button vanished. Here's how I traced it through three…...
Why Your AI Agent Works in Testing but Breaks in Production
14+ hour, 29+ min ago (22+ words) Make AI agents production-ready with OpenTelemetry: trace agent decisions, add custom spans, gate output quality in CI/CD, and block prompt injection....
When a Bug Isn't Really a Bug: How Architectural Constraints Hide Behind Technical Problems
20+ hour, 31+ min ago (1672+ words) Sometimes the hardest bugs aren't caused by broken code. They're caused by an architecture that no longer matches the problem. There is a particular kind of bug that can consume far more engineering time than it should. You fix it…...
Google Sign-In Works in Debug but Fails in Production on Android? Check This Hidden SHA-1
22+ hour, 42+ min ago (1257+ words) It took me several days to find. The answer turned out to be a fingerprint that Play Console doesn't show you anymore. If you're here from a search, the short version is below. If your app uses Play App Signing…...
The version number that promised nothing had changed
1+ day, 42+ min ago (197+ words) Six services failed to start within about forty minutes of each other on a Wednesday morning, all with the same error about a missing configuration key. None of them had been deployed. All of them had been rebuilt overnight by…...