Claude Code
Hands-on articles for the Claude Code CLI — installation, CLAUDE.md design, subagents, hooks, CI integration, and fixes for common errors.
Hand Claude Code a One-Line Done-When and Let It Run — Inside My Four-Site Article Pipeline
How I built an E2E-driven article pipeline that runs Claude Code autonomously across four AI blogs, publishing 16 articles per day. The trick is collapsing the done-when into a single Python gate and capping retries at five.
The Six-Step Order I Use Before Handing Claude Code to Non-Engineers — A Rollout Design for Tiny Teams
I took CyberAgent WINTICKET's six-session Claude Code training for business roles and compressed it into a rollout sequence that fits a solo indie developer or a tiny team. Covers Permission design, supply-chain defense with pnpm, Managed Settings, and shipping a first real PR.
Claude Code × Xcode Cloud — A One-Week Migration of ci_scripts and TestFlight Auto-Delivery
Notes from migrating a long-running indie iOS CI from Fastlane to Xcode Cloud in one week, with the three ci_scripts/ hook scripts in full, TestFlight automation, and dSYM upload — all paired with Claude Code.
The Morning I Hit Cloudflare Workers' 62 MiB Limit, and the Content Split Architecture I Rebuilt for 5,000 Articles
One morning, an indie developer running 4 AI tech blogs on Cloudflare Workers + Next.js woke up to a deployment that had stopped because articles.json grew large enough to push the Worker bundle past the 62 MiB limit. This is the concrete implementation walkthrough of splitting metadata from HTML, with the build-time and bundle-size numbers observed across the first month.
How Claude Code Helped Me Kill a Glide 5.0.5 Java 8 Crash with One Line
After Beautiful HD Wallpapers v2.0.0 shipped, every Android 6.0.1 user crashed within 3 seconds. The fix turned out to be a single missing line in build.gradle.kts — and Claude Code is what got me there.
11 Days in Crashlytics: A Claude Code Debug Loop Across Two Android Wallpaper Apps
After shipping Beautiful Wallpapers v2.0.0 and Ukiyo-e Wallpapers v1.7.0 in early May, Crashlytics and Play Console threw more than 30 new issues at me in 11 days. This is the operations log of how I drove the fix list down to v2.1.1 / v1.8.1 using Claude Code as a triage partner.
When Claude Code's Bash Tool Hits Permission Denied on /tmp — A $HOME/repos Fallback Pattern
A practical look at why git clone inside Claude Code's sandboxed Bash sometimes fails with Permission denied on /tmp, and how a tiny $HOME/repos fallback keeps unattended schedules alive across four indie sites.
Four Weeks With Claude Code: Driving Xcode Warnings to Zero in an Indie iOS Codebase
An indie iOS developer behind 50M+ downloads pairs with Claude Code for four weeks to clear hundreds of accumulated Xcode warnings. Notes on weekly scope, what to delegate, and the boundary where human judgment still wins.
Fixing Garbled Japanese Files in Claude Code — Identifying Shift-JIS vs UTF-8 and Converting Safely
When the Read tool spits out characters like 縺ゅ＞縺ゅ＞ instead of Japanese, the file is almost always Shift-JIS or EUC-JP being misread as UTF-8. Here is a practical workflow to detect the real encoding and convert it for Claude Code, drawn from running a Japanese wallpaper app since 2014.
Wiring Chrome DevTools for agents 1.0 into Claude Code: a setup memo
Google shipped Chrome DevTools for agents 1.0 as a stable release. Here is how I wired it into Claude Code, why I picked the MCP path over the CLI, and how it compares to the version bundled in Antigravity 2.0.
How I Stopped Claude Code's 'File has been modified since read' Error From Recurring
If Claude Code keeps tripping over 'File has been modified since read it' partway through a long session, the cause usually narrows down to three settings. Here is what actually worked in my own setup.
Notes from Seven Months of Running a Four-Site Auto-Publishing Pipeline with Claude Code and GitHub Actions
Lessons from running Claude Code scheduled tasks to auto-publish 16 articles a day across four Lab sites, including the Helpful Content System index collapse that forced a redesign of the quality gate, with the full Python gate code, token management, and rollback procedure.
Three State-Passing Patterns for Claude Code Subagents — Lessons from 4 Months of Automated Blog Pipelines
JSON files, environment variables, and context bundles — three ways to hand state between Claude Code subagents, compared with four months of production data and clear guidance on when to pick each.
Putting an Autonomous Librarian on Top of Claude Code × Obsidian — Operating Notes From Running Four Sites Through a Three-Layer Knowledge OS
Starting from Andrej Karpathy's LLM Wiki idea, I redesign a Claude Code × Obsidian autonomous knowledge OS against the actual shape of running four AI tech blogs in parallel. The article covers the three-layer storage, ingest/compile Skills, Dataview monitoring, and a weekly audit job — all sized for real production use.
Five Filters I Use Before Wiring a Claude Code Skill Into My Daily Workflow
Public Claude Code Skills keep multiplying. As an indie developer running a few tech blogs through Claude Code, I share the filters that decide which Skills stay in my daily workflow — and which ones I quietly remove after a few days.
Recovering from Claude Code's 'Tool result could not be submitted'
What 'Tool result could not be submitted' really means in Claude Code, and the practical recovery steps I rely on after years of running indie apps with 50M+ downloads through it.
When Claude Code's Sequential Edits Cascade into Failure — Fixing 'old_string not found' and 'not unique' on the Same File
Run several Edits against the same file in one turn and the second or third one suddenly fails with 'not found' or 'not unique'. The cause is order-dependence inside a single context snapshot, and a Read + scoped patches usually rescue it.
Automating iOS Crashlytics Triage with Claude Code — A Production Pipeline from dSYM Symbolication to Draft PR
How I rebuilt iOS crash triage at our 50M+ download app studio: Firebase Crashlytics issues flow into a Cloud Functions + Claude Code pipeline that handles dSYM symbolication, blast-radius estimation, and a draft fix PR in under 90 seconds. Real numbers, real code, real lessons.
Retiring Dormant SDKs with Claude Code — A 12-Year Indie Developer's Pipeline for Safely Auditing Inactive Dependencies
Twelve years of indie iOS/Android development leaves a quiet sediment of SDKs that nobody calls anymore — but the dependencies remain. Here is the Claude Code pipeline I built to audit and safely retire them across four wallpaper apps, with the actual code and four weeks of operational metrics.
A Daily Revenue Pipeline for 4 Wallpaper Apps: 8 Weeks Running App Store Connect API + AdMob With Claude Code
An 8-week record of running App Store Connect API and AdMob Reporting API through a Python pipeline for 4 iOS wallpaper apps, with Claude Code helping absorb JWT auth quirks, gzip TSV edge cases, timezone misalignment, and Slack alerting thresholds — written from an indie developer's perspective.
Notes from May 2026: Running a Parallel StoreKit 2 Migration Across Four iOS Wallpaper Apps with Claude Code
Operational notes from running a four-app iOS StoreKit 2 migration in parallel with Claude Code on a single Mac mini M5, captured during May 2026.
Skill, Subagents, and Rules in Claude Code: A One-Hour Implementation Loop That Fits a Solo Operator
Misaki Ito at SonicGarden wrote about wiring Claude Code's Skill, Subagents, and Rules to close a week's worth of low-priority work in one meeting. Here is how I adapted that pattern as a solo developer running a 50M-download app business.
Three Months of Letting Claude Code Handle the Monthly Content Refresh for My Four Wallpaper Apps
Starting in February 2026 I began handing off the monthly content refresh of my wallpaper apps — Beautiful HD Wallpapers and three sibling titles — to Claude Code. After three months I want to share what kinds of judgement I felt comfortable delegating, and where I deliberately kept my own hands on the work.
Why Claude Code Breaks Your MDX Frontmatter With YAML Errors (and How to Fix It)
If you have ever let Claude Code mass-produce MDX articles, sooner or later your build dies with a cryptic YAML error. Nested double quotes, stray colons, comma-joined tag entries — here is what is actually happening and the five patterns I trust in production.
Six Weeks Running a Claude Code Hooks + SwiftLint Quality Gate on My Indie iOS Apps
A six-week field report on wiring SwiftLint into Claude Code's PostToolUse hook to keep my indie iOS codebases consistent. Motivation, implementation, three adjustments that mattered, and the rough edges I hit along the way.
Claude Code Hook `command timed out`: Timeout Settings and Split-Execution Patterns That Actually Work
Fix Claude Code's `command timed out` hook failure without just bumping the timeout. Includes practical split-execution, detached background jobs, and a settings.json layout that keeps your session fast.
Claude Code Says 'All Tests Pass' but CI Goes Red — Designing Around Exit Code Pitfalls
Locally, Claude Code reports 'all tests pass.' You push it, and GitHub Actions turns red within minutes. The root cause is usually not Claude Code itself but how the shell and the test runner interpret exit codes. Here is a practical, experience-backed walkthrough.
Pruning Custom Subagents in Claude Code: After Six Months, Five Became Two
I built five custom subagents in Claude Code, ran them across six sites for six months, and ended up keeping only two. Here are the notes I took along the way — what worked, what didn't, and how I learned to write subagent descriptions that actually get called.
Why Claude Code's WebFetch Returns 403 or Empty Pages — and How to Fix It
When Claude Code's WebFetch returns a 403, or a 200 OK with the body mysteriously empty, there are really only four root causes worth checking. This walkthrough breaks them down — Cloudflare bot protection, client-side rendering, the allowed-domains gate, and stale caches — with the practical responses I use in production.
Running Apple Privacy Manifest as an Indie Developer — Catching Dependency Drift with Claude Code
Apple Privacy Manifest (PrivacyInfo.xcprivacy) is a quietly painful area for indie iOS developers. Drawing on twelve years of running iOS apps with over 50 million combined downloads, this article walks through how I use Claude Code to detect drift, respond to rejections, and bake the whole flow into CI.
Why Your `cd` and `export` Vanish Between Claude Code Bash Calls
Claude Code's Bash tool runs each call in a fresh shell, so cd and export never persist. Here's the symptom, the cause, and five practical patterns I use across my Dolice Labs pipelines.
Automated Play Store Staged Rollout Monitoring with Claude Code — Lessons from 50+ Crashes in v2.0.0
A hands-on record of building a Claude Code-powered monitoring system for Android staged rollouts (5%→100%). Covers crash-free rate thresholds, Wilson confidence intervals, and automatic Go/No-Go decisions — based on real experience shipping Beautiful HD Wallpapers.
Six Months Until CocoaPods Shutdown — Migrating Beautiful HD Wallpapers to Firebase SPM with Claude Code
Firebase Apple SDK is dropping CocoaPods in October 2026. Here's how I migrated Beautiful HD Wallpapers — one of four iOS apps I run as an indie developer — to Swift Package Manager, and where Claude Code made the difference.
How I Fixed Android RecyclerView Crashes in 28 Days Using Claude Code
After releasing v2.0.0 of Beautiful HD Wallpapers, RecyclerView IndexOutOfBoundsExceptions hit 50+ users over 28 days. Here's how a conversation with Claude Code uncovered the root cause — a defensive copy pattern.
Eliminating SwiftUI Animation Guesswork with Claude Code — Prompt Patterns from a 50M Download Wallpaper App
How to use Claude Code for SwiftUI animation work — practical prompt patterns and Before/After code examples from the development of Beautiful HD Wallpapers, a 50M+ download app.
Claude Code Doesn't Recognize nvm/pyenv/asdf — Shell Initialization and 4 Fixes
Fix 'node: command not found' and Python version mismatches in Claude Code when using nvm, pyenv, or asdf. Learn why shell initialization is skipped and how to solve it for good.
I Rewrote My App's README With Claude Code — There Was Something to Fix Before Adding More Features
A practical walkthrough of using Claude Code to revamp neglected app README files. Covers the setup, prompts, and before/after results from a real indie development workflow.
Claude Code Bash Tool Hangs on `npm run dev` and `docker run` — How to Handle Long-Running Processes
Claude Code's Bash tool freezes when running npm run dev, docker run, or other long-running processes. Learn background execution patterns, timeout strategies, and process management best practices.
Accidentally Committed API Keys to Git — Emergency Response with Claude Code
Step-by-step emergency guide for when you accidentally commit .env API keys to git. Covers immediate key rotation, removing secrets from git history with Claude Code, and preventing it from happening again.
Managing iOS Localizable.strings with Claude Code — A Solo Developer's Multilingual Workflow
How a solo developer managing multiple wallpaper apps used Claude Code to streamline iOS localization. From extracting missing keys to quality checks — a realistic workflow for one-person teams.