Claude Code
Hands-on articles for the Claude Code CLI — installation, CLAUDE.md design, subagents, hooks, CI integration, and fixes for common errors.
Claude Code MCP Server Won't Start — How to Fix "spawn npx ENOENT" and PATH Issues
You configured an MCP server in Claude Code's settings.json, but it never starts — just "spawn npx ENOENT" or "spawn uvx ENOENT" errors. The culprit is a PATH mismatch between your shell and Claude Code's spawning environment. Here's how to diagnose and fix it.
Wiring Claude Code from Crash Reports to a Fix Commit — A Personal Developer's Post-Release Operations Playbook
A working pipeline for personal developers to triage Crashlytics and Sentry reports with Claude Code, drawn from the routine I still run on my own apps every morning.
Catching Template Phrases Before They Ship: grep Guards in Claude Code SKILL.md
Even with detailed prompt instructions, generating articles every day eventually lets template phrases slip through. I added grep-based guards to the final step of my Claude Code SKILL.md so that violations block the push and force the model to rewrite. Here's what changed after one week.
When Claude Code's Read Doesn't Reach the End of a File — Catching the PARTIAL view Notice and Sizing offset/limit
When Read returns only part of a large file, Claude Code says so with a PARTIAL view notice. Here is how to catch it, and how to size offset and limit by byte budget rather than line count, with measurements from my own sandbox.
Why Claude Code's Glob and Grep Return Zero Results
When Claude Code's Glob or Grep tool returns no matches even though the files clearly exist, the cause is almost always one of four things. Here's how to triage.
Designing Claude Code Skills That Actually Run Unattended — Three Patterns to Avoid Permission-Dialog Stalls
I learned the hard way that Claude Code skills can silently freeze in scheduled runs because of permission dialogs. Here are three implementation patterns that keep file work, path detection, and recovery fully autonomous — distilled from a month of running content automation across four sites.
Pre-commit AI Review with Claude Code, husky, and lint-staged — Reviewing Only Staged Files
A pragmatic guide to running a lightweight Claude Code review on only the files you've staged for commit. Using husky and lint-staged, this setup minimizes both cost and latency for solo developers.
Parallel Development with Claude Code Across Multiple Repos — What Three Simultaneous Projects Taught Me
Claude Code gets messy with multiple repos. Here are the CLAUDE.md strategies, session habits, and cost tips from three months of real parallel development.
Multi-Agent Skill Architecture with gh skill — Versioning, CI/CD, and Agent-Specific Optimization
A production-grade approach to managing SKILL.md across teams using gh skill. Covers repository structure, semantic versioning, GitHub Actions automation, agent-specific optimization, and monorepo patterns.
react-native-permissions vs Expo Permissions API — Claude Code
Should you use react-native-permissions or the Expo permissions API? This guide clarifies the decision criteria and shows practical iOS/Android implementation patterns using Claude Code, including common pitfalls and Privacy Manifest requirements.
90 Days Building a Solo SaaS with Claude Code — And the Three Things I Got Wrong
A working log from 90 days of building a solo SaaS with Claude Code — design conversations, model routing, and Cloudflare Workers constraints. Revisited months later against primary docs, with three technical claims corrected in place.
How gh skill Lets You Share SKILL.md Across Claude Code, Copilot, Cursor, and 30+ AI Agents
The gh skill GitHub CLI extension lets you publish and install SKILL.md definitions across Claude Code, GitHub Copilot, Cursor, Gemini CLI, and 30+ AI agents — write once, deploy everywhere.
Build a Personal AI Automation Hub with Claude Code and MCP — Cross-Service Integration Guide
How to build a personal AI automation hub spanning GitHub, Notion, and Slack with Claude Code and MCP — covering cross-service context, error-handling code, production pitfalls, and a measured ~60% token reduction.
BDD with Claude Code in Production— From Gherkin Scenario Generation to Cross-Team Test Culture
A production-ready guide to Behavior-Driven Development with Claude Code. Learn how to auto-generate Gherkin scenarios, implement step definitions, integrate with Playwright/Cucumber, and build a cross-team test culture — all with working code examples.
7 Design Principles for Production-Grade Autonomous Agents with Claude Code SDK
Building a Claude Code SDK agent that works is easy. Building one that keeps working in production is hard. Here are the 7 design principles I extracted from running content automation systems at scale.
Using Extended Thinking with Claude Code in 2026: A
A practical guide to using Claude 4's Extended Thinking feature with the Claude Code CLI and API. Learn how to set thinking budgets, handle streaming, and use it where it actually helps in production.
Your Design Doc Quality Sets Claude Code's Speed Limit: Spec-First AI Development
The story of compressing 16 person-days into 2 hours isn't about how good the AI was — it's about how well the design doc prevented AI from having to think. Learn how to build specs that unlock Claude Code's true speed.
Building a Recurring Revenue Freelance Business with Claude Code — A 6-Month Roadmap to ¥1M MRR
Transform your freelance dev business from per-project income to predictable monthly recurring revenue. Learn how to pitch retainer contracts, price Claude Code's productivity gains correctly, and build a client management system that scales to ¥1M MRR.
Building a Zero-Touch Code Review Environment with Claude Code Hooks
Learn how to use Claude Code's hook system to automatically review code on every tool execution. Covers PostToolUse, Stop hooks, and the pitfalls to avoid when implementing PreToolUse blockers.
Claude Code Desktop Got a Major Overhaul: New UI for the Parallel Agents Era
Anthropic redesigned the Claude Code desktop app in April 2026 for the parallel agent era. Explore the new multi-session sidebar, drag-and-drop layout, integrated terminal, Side Chat, and Routines.
Claude Code MCP Connection Troubleshooting: A Complete Diagnostic Guide
A systematic approach to diagnosing MCP server failures in Claude Code—from config file validation to transport-layer debugging, crash recovery, and multi-server production patterns.
5 Common Claude Code Errors and How to Fix Them
A practical guide to the five most common Claude Code errors—Permission denied, rate limits, MCP connection failures, context overflow, and bash failures—with real causes and fixes for each.
Claude Code + Ollama: Cutting API Costs with Local LLMs
Worried about Claude Code API costs? Learn how to combine Ollama (local LLM) with a litellm proxy to significantly reduce expenses, and discover a practical framework for deciding which tasks to run locally versus in the cloud.
MCP Server Suddenly Stopped Working in Claude Code: A 5-Step Diagnosis Guide
Five steps for diagnosing a broken MCP server: check /mcp status, read stderr logs, validate JSON config, verify auth tokens, and restart Claude Code cleanly.
Build a Pipeline Where Docs Update Automatically Every Time Your Code Changes
Build a CI/CD pipeline that auto-generates README, CHANGELOG, and API docs whenever code changes. Use Claude Haiku 4.5 for cost-efficient classification and Sonnet 4.6 for quality output — cutting API costs by up to 70% while keeping documentation accurate.
5 Practical Ways to Work Around Claude Code's Context Window Limit
When Claude Code warns you that the context limit is approaching on large codebases or long sessions, here are five practical approaches — from /clear and /compact to CLAUDE.md and scope splitting.
Claude Code vs OpenCode + Gemma 4 — A Strategic Guide for Cloud and Local AI Coding
OpenCode paired with Google Gemma 4 is being marketed as a 'free Claude Code'. After running Claude Code in production for half a year, here is an honest, four-axis framework for choosing between them — or, more often, combining them.
From Handy Tool to Development Backbone: Five Operational Pillars for Claude Code
Claude Code is not just a coding assistant — it can become the backbone of your entire development process. Here are the five operational pillars that turn it from a helpful sidekick into the engine of your workflow.
Improving Test Coverage Incrementally with Claude Code
Learn how to use Claude Code to identify uncovered functions, generate targeted tests, and incrementally improve test coverage in TypeScript + Vitest projects.
Setting Up Claude Code's GitHub PR Trigger for Automated Code Review
A step-by-step guide to configuring Claude Code's GitHub PR trigger, writing effective CLAUDE.md review policies, and what two weeks of real usage taught me about keeping the signal-to-noise ratio high.
Claude Code MCP Servers in Practice — From Setup to Real-World Use
A practical guide to connecting MCP servers in Claude Code — covering configuration tips, common errors, and real project setups that actually work.
Claude Code Client Pricing Strategy 2026 — How an Indie Developer Doubles Project Rates
An indie developer's playbook for actually doubling client project rates with Claude Code: how to estimate hours, write proposals that close, structure contracts that protect you, and convert one-off projects into ongoing retainers.
Building an iOS/Android Auto-Deploy Pipeline from Scratch with Claude Code and Fastlane
Learn how to automate iOS and Android app releases by combining Claude Code with Fastlane. Covers Appfile design, certificate management, App Store Connect API integration, and real-world debugging workflows with working code examples.
Doubling Your Freelance Rate in the Claude Code Era — Proposal, Pricing, and Delivery Playbook
A practical playbook for freelance engineers using Claude Code in earnest — how to keep rates high, structure proposals around outcomes, and run multiple parallel projects without exhaustion. Built from real client work.
Claude × Stripe Meter Events — Building a Usage-Based SaaS
A production-ready architecture and full implementation for billing Claude API token consumption through Stripe Meter Events — covering idempotency, usage caps, and a hybrid base + overage pricing model.
How to Commit and Push via GitHub REST API When git CLI Fails in VM Environments
A practical guide to using GitHub REST API (blobs→trees→commits→refs) to push files when git CLI is blocked by index.lock, ownership errors, or permission issues in VM and sandbox environments.
How to Diagnose and Fix Claude Code Network and Connection Errors in 5 Minutes
A systematic guide to diagnosing network and connection errors in Claude Code. Understand what common error messages mean, and follow a step-by-step flow to pinpoint the root cause within 5 minutes.
Claude Code for Data Science — pandas, scikit-learn, and ML Workflows with AI Pair Programming
A hands-on guide to using Claude Code across the full data science and machine learning workflow. From EDA and feature engineering to model evaluation, hyperparameter tuning with Optuna, SHAP analysis, and MLOps basics — with working Python code throughout.
7 Daily Decisions in Solo Development with Claude Code — A Year of Lessons
When I started using Claude Code for solo development, seven recurring decision points kept tripping me up. After a year of running, breaking, and fixing my workflow, here is the criteria I have settled on — including the reasoning behind each judgment call.
Designing Zero-Downtime Database Migrations with Claude Code: A Production Operations Guide
A production guide to designing zero-downtime database migrations with Claude Code. Covers Expand-Contract, NOT NULL additions, renames, backfills, and subagent reviews — practical patterns that survive real production traffic.