From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
Yuiko Koyanagi6d ago • 6 min read
Stop asking your AI agent to follow rules. Enforce them.
I moved the grep-able half of my coding rules from prompts to Claude Code hooks. Rule adherence went...
#ai#claudecode#productivity#opensource
4 4
yureki_labAug 24, 2026 • 7 min read
How I Cut a 2.1 MB JavaScript Bundle to 890 KB With Claude Code
TL;DR I had a 2.1 MB initial JavaScript bundle and a Lighthouse performance score of 41 on...
#webdev#javascript#performance#claudecode
2 0
yureki_lab2d ago • 8 min read
How I Migrated 40 REST Endpoints to GraphQL With Claude Code in 12 Days
TL;DR I moved 40 REST endpoints to GraphQL in 12 days using Claude Code as the grunt-work...
#ai#claudecode#graphql#node
5 0
Lily3d ago • 19 min read
52 Days of Silent Zeros: The Stop Hook Payload Has No usage Field
I used to be a college student scraping by on ¥100k a month. Then I was laid off. Six months later,....
#automation#claudecode#javascript#debugging
1 2
Anish Shrestha2d ago • 11 min read
My coding agents keep a record of what they decided and why, not just what they built
Claude Code and Cursor run on different machines for different kinds of work, and both lose their se...
#aiagents#claudecode#developertools#systemdesign
0 1
Rulestack3d ago • 5 min read
We said a Claude Code subagent costs 436k tokens. A cleaner measurement says 54k — here is what fooled us
Two weeks ago we published a number: a Claude Code subagent costs ~436,000 tokens before it reads a....
#claudecode#ai#debugging#devops
1 5
Lily6d ago • 20 min read
Which Skill Is Quietly Burning Your Tokens? Find Out From transcript.jsonl
Your monthly Claude Code bill went up 20%. You know that much. What you don't know is which Skill di...
#automation#claudecode#python#bash
0 0
secleeman2d ago • 5 min read
I Wrote a "Contract" So AI Could Ship Code While I Slept
Last time I wrote about building triage-lens, a vulnerability triage CLI, by delegating all...
#ai#security#python#claudecode
0 2
secleeman2d ago • 4 min read
I Built a Vulnerability Triage Tool Without Knowing What EPSS or KEV Meant
In the last two posts I described how, unable to read code, I delegated implementation to Claude...
#security#ai#python#claudecode
0 0
yureki_lab4d ago • 7 min read
How I Triaged 8,400 Production Errors Into 11 Real Bugs With Claude Code
TL;DR My error tracker had 8,400 events a week across ~340 distinct issues, and nobody on...
#ai#claudecode#debugging#softwareengineering
3 3
yureki_lab3d ago • 7 min read
How I Mapped an Undocumented Vendor API in 2 Days With Claude Code
TL;DR A vendor handed us a sandbox key, a 6-page PDF, and no OpenAPI spec. I used Claude...
#ai#claudecode#api#softwareengineering
1 1
yureki_lab5d ago • 7 min read
How I Cut a 41-Minute CI Pipeline to 9 Minutes With Claude Code
TL;DR Our CI pipeline took 41 minutes per push, so nobody pushed small commits anymore. I...
#ai#claudecode#devops#testing
1 0
LilyAug 25, 2026 • 23 min read
52 Days, 2,340 Rows, Every Cost Logged as Zero: The Stop Hook Trap
Going from a $700/month student side hustle to a real business in six months came down to one thing:...
#automation#claudecode#debugging#node
0 0
Build Loops6d ago • 8 min read
The Portability Trap: When 'It Loads' Doesn't Mean 'It Works'
I ran a skill migration and nothing broke. Or so I thought. Break 3 in my migration diary noted tha...
#opencode#claudecode#agents#aicodingagents
0 0
Doogal Simpson4d ago • 3 min read
Fix AI Agent Jargon with Simplified Technical English
Tired of Claude Code generating bizarre, overly dramatic jargon like "load-bearing spine"? You can.....
#softwareengineering#promptengineering#claudecode#developertools
1 1
orca_forge5d ago • 5 min read
Running Claude Code in 4 Parallel Sessions Led to 'Team Development' — 7 Recipes to Prevent Collisions
What happens when parallelized coding agents using git worktree start modifying the same microservic...
#ai#claudecode#git#cicd
2 2
yureki_lab6d ago • 8 min read
How I Extracted 3,400 Hardcoded Strings for i18n With Claude Code
TL;DR I had a React app with roughly 3,400 hardcoded English strings scattered across 600+...
#ai#claudecode#react#webdev
1 0
secleeman3d ago • 5 min read
I Can't Read Code. I Had Claude Code Build a Vulnerability Triage CLI Anyway.
I work in security as a consultant, and I can't read code. That's not modesty. Hand me a Python diff...
#ai#security#python#claudecode
0 0
Lily5d ago • 24 min read
Why My Nightly Ingest Stalled for 3 Days — and How Splitting One Task Into Sub-Steps Fixed It
I went from ¥100k/month as a university student, to ¥600k/month juggling multiple gigs, to exactly.....
#automation#bash#macos#claudecode
1 0
Lily6d ago • 24 min read
A Blank Dashboard and a Fake 2.5M-Token Reading: Building a Token Fuel Gauge for Claude Code
A side hustle I started in college went from ¥100k a month to ¥600k once I was running several at th...
#claudecode#automation#bash#python
0 0
runathicku6d ago • 3 min read
What I learned rolling out Claude Code across a company full of legacy systems
I maintain the internal systems of a mid-size manufacturer in Japan: pre-framework PHP that predates...
#ai#claudecode#devops#legacy
0 0
Lily3d ago • 23 min read
3 Token Burn From an Infinite Retry Loop: How I Made Claude Refill My Article Queue When It Runs Dry
Back when I was a college student earning ¥100,000 a month, one finished article meant my week was.....
#automation#claudecode#bash#ai
0 0
ueharaAug 24, 2026 • 6 min read
An AI's “Done” Can't Be Trusted — Quality Gates That Stop False Completion With Evidence
On June 29, 2026, a mobile app reported that "the first wave of parity with the PC version is...
#ai#claudecode#testing#codequality
0 0
Rulestack2d ago • 3 min read
Your subagent finished — you just could not hear it: how agent replies actually reach the parent
We spawned two review agents, waited, got nothing, declared them unresponsive, fell back to...
#claudecode#ai#automation#debugging
0 1