Claude Code Hooks: Exit Code 1 Doesn't Block. 9 of 9 Commands Ran
My guard hook printed BLOCKED: git reset --hard in red text. Then Claude Code ran git reset --hard anyway, and an afternoon of uncommitted work went…
Testing & QA
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Building a Rust CLI With clap: Arguments, Errors, and Help That Works
A command-line tool lives or dies on its arguments. A flag that silently ignores bad input, a help screen that does not match the code, or an error…
I Read TDK's Starlark Engine So You Don't Have To
Most people who open the TDK CLI repo see TypeScript first. The CLI is written in TypeScript, and that is where the commands live. But the part that…
Termux Copy code Output to Clipboard
📋 Stop Copying Terminal Output Manually! Meet ca , a Clipboard Shortcut for Termux Tags: #android #termux #bash #opensource If you use Termux on And…
Testing authored memory across fresh CLI processes
The example separates persistence from retrieval: an evolution-store record survives process exit, while a role thesaurus and co-occurrence graph se…
Codex Can Now Use agc-cli for HarmonyOS App Workflows
AI coding assistants can write code, update tests, and prepare release notes. But once a workflow reaches AppGallery Connect, developers still spend…
Five tiny zero-dependency Python CLI tools (with a test suite)
I packaged five small command-line tools that need nothing beyond Python 3.8+'s standard library, so they work on fresh servers, CI runners and cont…
Your Skill's Frontmatter Has a Typo. Nothing Will Ever Tell You
Your skill's frontmatter has a typo. Nothing will ever tell you. A few days ago I shipped a Claude Code command with this frontmatter: --- name : de…
The Mechanics of CLI Mistakes: Pipes, Redirection, and Stream Adjacency
It is 1:30 AM. PagerDuty just woke you up. An alert is firing across a production cluster, your terminal history is a blur of half-remembered flags,…
Build a Scratch-Exit Checklist for a Free-Model Patch
I wanted one gate before a free model edited code. The budget was zero extra paid services this week. The missing piece was evidence, not another cl…
I got tired of logging in and out of Claude Code, so I built a one-command account switcher
Quick confession: last week I logged out of my work Claude Code account four times in one afternoon. Nothing was broken. I just have a second accoun…
I built a tool that turns any GitHub repo into a tech-stack card - Discover Stack Fingerprint
Every README has the same section: a wall of hand-picked shields.io badges, half of them out of date. The project moved from Webpack to Vite two yea…
Claude Code skill arguments across 12 runs: what $ARGUMENTS, $0 and argument-hint actually put in the body
Across 12 claude -p runs on Claude Code 2.1.278, $ARGUMENTS always carried the raw string exactly as typed (quotes included), $0 / $1 / $2 were spli…
Diagnose Android APK Installation Failures with ADB
An Android installer dialog often reduces a useful technical failure to two words: App not installed . That message can represent incompatible CPU a…
fzgrep: A zero-dependency, OpenMP-parallelized fuzzy line matcher in C
I built fzgrep , a lightweight, OpenMP-parallelized fuzzy line matcher written in pure C with zero external runtime dependencies. The Problem In sta…
I Built Novash — An Open-Source SEO Checker You Can Run From Your Terminal
When I started working on websites and web projects, I noticed something pretty simple. A website can look completely fine in the browser and still…
The essential terminal commands for your server
Whoever runs their own server lives (at least occasionally) in the terminal. This article is your toolbox: the commands you really need – once for d…
AI answers are easy to get but expensive to read — a CLI that filters them down
You ask an AI assistant a question and an answer comes back. Reading it is the expensive part. I find the long round-trips tiring. Ask it how to rem…
How three OSLabs engineers built a CLI to catch you overpaying Claude
I’m one of three developers behind PennyWyze, an open-source CLI that audits which Claude tier (Opus, Sonnet, or Haiku) is the cheapest one that sti…
npm publish Ignores .gitignore: The .npmignore Override Rule
A teammate ran npm pack --dry-run on one of our published packages during standup and read the file list out loud. Forty-one files. Two of them were…
Your GDScript arrays are slower than you think — I built a CLI that detects the pitfalls and benchmarks them
"Why is my enemy loop stuttering? I'm not even doing anything heavy here." Every Godot tutorial tells you to just use arrays. Nobody tells you that…
Your README's code examples are untested — here's how I test mine in any language
Your README is full of code — shell commands, config snippets, >>> sessions, example output. And unlike the rest of your codebase, none of…
Your coding agent forgets on purpose. A PreCompact hook is where you save it
Your coding agent doesn't have amnesia. It has a budget. When the context window fills up, the host compacts it into a summary — and summaries keep…
A Floor of 0.80 and a Ceiling of 0.63: The Semantic Channel That Never Fired
Update — v0.3.1 released. CauterRule is now live on GitHub and PyPI . It turns repeated agent failures into permanent standing rules — extract, repl…
Fixing a cache:clear command that couldn't run and couldn't be trusted
Ahnii! Waaseyaa 's cache:clear CLI command had two bugs stacked on top of each other: it couldn't be constructed by the real CLI at all, and once th…
I Built a Python CLI Toolbox Instead of Writing One-Off Scripts
Whenever I ask an AI assistant to do a small task, it writes a quick Python script for me. Convert an image. Compress a PDF. Convert a CSV to Excel.…
Your CLI Tool Needs an MCP Server: Shipping One in a Day, Protocol by Hand
Your CLI Tool Needs an MCP Server: Shipping One in a Day, Protocol by Hand Published on 2026-09-11 · xbrowser v1.23.1 Every CLI tool built before 20…
Automating Pull Request Workflows with Claude Task Master
Introduction Developers spend a lot of time managing pull requests, fixing CI failures, and responding to review comments. Claude Task Master provid…
🦇 A Real Git Conflict Inspired Me to Build This Node.js CLI Tool
Have you ever pulled changes from GitHub and suddenly ended up with a merge conflict? You see something like: <<<<<<< HEAD your…
Fail-open is the default failure mode of agent hooks
Fail-open is the default failure mode of agent hooks I'm the author of Handrail, a free, MIT-licensed hook pack for Claude Code and other agent-CLI…