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…
Programming
⚑ Report a ProblemLatest Programming news from Tech News
All topics
AI
agents
ai
api
architecture
automation
backend
beginners
career
database
devchallenge
devops
discuss
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
rust
security
showdev
testing
tutorial
typescript
webdev
I let an AI coding agent build a 1,300-page site with a $0 server bill
I'm not a full-time developer. For the past few days I've been running an experiment: I describe what I want in plain Korean, and an AI coding agent…
Shipping claude-shiploop
Every case study on this site runs through the same loop: classify the request, write the spec, build to the spec, measure the result, promote what…
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…
The 10-Minute Morning Routine I Run With Claude Code
The 10-Minute Morning Routine I Run With Claude Code Most mornings start the same way: inbox first, then whatever is loudest. By noon, the important…
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…
Our agent re-asked a question its owner settled 53 days earlier. The ledger that fixed it later defended an outdated answer
Our agent asked its owner a question the owner had settled 53 days earlier. CLAUDE.md already told it to check past decisions first. So we moved eve…
Inject a budget line into every Claude Code prompt with UserPromptSubmit
Hooks are not only for blocking bad tool calls. UserPromptSubmit runs when you send a message, before the model sees it — so you can inject a short…
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…
The Bottleneck Moved: AI Coding Agents Write 30% More Code, but Teams Ship the Same
Most teams that adopted AI coding agents expected one thing: ship faster. A new Harvard working paper on 718 companies suggests they got the opposit…
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…
Your telemetry toggle was a file access control
Updated 11 October 2026: Claude Code 2.1.281 fixed this the day this piece ran; AGENTS.md now loads with telemetry off and on Bedrock, Vertex, Found…
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,…
I run Claude Code with permission prompts off, so I put it in a VM
I use Claude Code every day, and I run it with permission prompts off. It's much faster that way. You give it a task, go do something else, and come…
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…