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…
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Triglav: orchestrating Claude Code and Codex agents for long-running work and layered review
AI coding agents can write code. Longer tasks still need coordination and quality control. Someone has to keep track of the objective, settle the op…
How to keep a Claude Code agent running for days without losing context
You don't keep one context window alive for days. You run a chain of bounded sessions that share durable state on disk (a progress file, a task list…
Claude Code /compact vs /clear: what actually happens to your context
/compact replaces your conversation with a summary Claude writes and keeps the same session going. /clear starts a new conversation with an empty co…
How do I stop Claude Code from auto-compacting (and losing context)?
Turn off auto-compact in /config (the Auto-compact toggle), or set "autoCompactEnabled": false in your settings file, or launch with DISABLE_AUTO_CO…
I Burned 95% of My AI Coding Quota in 2 Days — Here's What the Logs Revealed
I use Claude Code every day to build a SaaS product. This week, the usage meter hit 95% before Wednesday. I assumed I had somehow written a mountain…
AI Hooks for Claude Code, Cursor, and Codex: Block Secrets Before Agents Can Use Them
TL;DR Instructions are suggestions, not controls : Prompts, AGENTS.md, and CLAUDE.md files only guide an agent, which can reinterpret or route aroun…
How I stopped Claude Code from lying about finishing tasks (4 hooks, 150 lines of bash)
Last month Claude Code told me it had added a regression test. The commit landed. The PR merged. Two days later a bug slipped through — the test was…
I gave my coding agents a supply-chain tripwire (and a radar)
My coding agents install packages all day. I don't read the names. Do you? Thought not. And that's a problem, because agents are brilliant at a few…
Claude Code's /compact cost $0.06 at 136k tokens with a warm cache, 9x that cold, and /clear sent zero requests
On Claude Code 2.1.289 with Opus 5.5, a /compact of a 136k-token session took 136,275 of its 138,344 input tokens from the prompt cache and cost $0.…
Run Claude Code on open-weight models, hosted in the US
Disclosure: I'm a co-founder of ScaledThought, the API used below. Drafted with AI assistance. Claude Code talks to its model through the Anthropic…
Getting started with Claude Code, from install to your first hour
Originally published at https://aicoding-guide.com . Two things trip people up on a first install of Claude Code: which install method to pick, and…
Claude Haiku 5.5 in Claude Code: Cut AI Coding Costs 20x
Anthropic released Claude Haiku 5.5 on October 7, 2026, and the headline number is hard to ignore: $0.10 per million input tokens, a tenth of Sonnet…
Stop Claude Code from saying "done" while the build is still red, with a Stop hook
The most annoying agent failure is not a bad edit. It is the agent announcing "all done" while the type checker is still failing. Claude Code has a…
Claude Code and Linus Torvalds: the Linux patch tradeoffs
Claude Code helped Linus Torvalds explore a Linux memory-management change, write test programs and draft its explanation. The interesting part is i…
How I Tracked Down a Race Condition in Async Python With Claude Code
TL;DR A background worker in one of my Python services was sending duplicate webhooks about once every 3,000 jobs. It never happened locally, never…
Connect Claude Code to an Anti-Detect Browser over MCP: Setup, Tools and Guardrails
Veilus runs many browser profiles on one computer, each with its own fingerprint, cookies and proxy. It also ships an MCP server, so an AI assistant…
Claude Code's hook matcher mcp__lab fired 0 times in 42 calls, though the same string worked as a permission rule
Across 14 headless runs of Claude Code 2.1.289, a hook whose matcher was the server prefix mcp__lab fired 0 times in 42 calls to that server's tools…
Claude Code permissions by example, auto-allow npm scripts, confirm git push, block force push
Originally published at https://aicoding-guide.com . When you let Claude Code drive, you usually want three lines drawn. Scripts you wrote yourself,…
Claude Code's keep-coding-instructions kept 1,044 tokens in the full prompt, 0 in the short one, and 18 of 18 fixes matched
On Claude Code 2.1.289 with Opus 5.5, keep-coding-instructions: true decided whether a 1,044-token # Doing tasks section stayed in the system prompt…
Auto-allow npm scripts in Claude Code without allowing npm install
Originally published at https://aicoding-guide.com . A confirmation dialog on every npm run lint , npm run test and npm run build is the single bigg…
Make a coding agent write the failing test before the implementation
Originally published at https://aicoding-guide.com . Ask a coding agent to "implement this feature" and the implementation arrives fast, but the ver…
How I Hunted Down a Node.js Memory Leak With Claude Code: 5 Lessons
TL;DR One of our Node.js 22 API services was slowly eating memory until Kubernetes OOM-killed it roughly every 30 hours. I paired with Claude Code (…
Claude Code read a file listed in .claudeignore 12 of 12 times; a Read deny rule blocked every read except grep -r
A .claudeignore entry changed nothing in Claude Code 2.1.289: the fake secret it listed came back in 12 of 12 attempts across Read, cat , grep -r ,…
How I build a product alone with a team of seven Claude Code agents
Someone in a founder group I am part of asked a good question: how do you let several agents work on one product in parallel without them stepping o…
When a Claude Code skill's reference.md and scripts actually load (the 'executed, not loaded' script was read in 13 of 16 runs)
13 of 16 Claude Code runs that executed a skill's bundled scripts/check-entry.sh also loaded its source into context, with Read or cat , although th…
Claude Code vs Cursor: Terminal Agent or Full IDE?
TL;DR Claude Code wins if you live in the terminal: it plans multi-step refactors, runs its own commands, and works inside any codebase without an e…
How do you know Claude Code actually loaded your skill? We stopped trusting 'I read it' and check the transcript
Three of our agent's project skills are supposed to be loaded on every full run. Since 2026-09-24 we no longer take the agent's word that it loaded…
The green lamp lies: ten months growing a harness around Claude Code
Forty-two days on shift. The diesel generators throb under your boots until you stop hearing them. Hundreds of indicator lights on the alarm screens…
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…