◉CLAUDE LABJP
●2.1.302 — Fork subagents are now on by default in claude -p, the Agent SDK and the desktop app. Turn them off with CLAUDE_CODE_FORK_SUBAGENT=0 (10/16)●2.1.299 — Conversations over 200K tokens left idle about 54 minutes get compacted; MCP allow rules now match only the server they name●SONNET 4.5 — Retires on the Claude API on 11/30, 43 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…●2.1.302 — Fork subagents are now on by default in claude -p, the Agent SDK and the desktop app. Turn them off with CLAUDE_CODE_FORK_SUBAGENT=0 (10/16)●2.1.299 — Conversations over 200K tokens left idle about 54 minutes get compacted; MCP allow rules now match only the server they name●SONNET 4.5 — Retires on the Claude API on 11/30, 43 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST MODE — Opus 5.5 fast mode is out of research preview and no longer needs the beta header (10/15)●NEW — I Put a Ten-Line Promise File at the To…
ARTICLES

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All (907)◉ Claude AI (147)⟐ Claude Code (381)◈ Cowork (72)⬡ API & SDK (307)
◉ Claude AI/2026-04-20Beginner

Using Claude as a Creative Workspace — 5 Things I Discovered as an Artist and Indie Developer

As someone who makes apps and creates art around the world, I use Claude in ways that rarely show up in tech tutorials. Here are 5 honest observations from my actual creative workflow.

◉ Claude AI/2026-04-20Advanced

Claude Computer Use 2026 — Desktop Automation Across Browser, Desktop, and CLI

The practical guide to Claude Computer Use. Covers the latest setup for macOS general availability, browser and desktop automation patterns, and practical production deployment strategies.

⟐ Claude Code/2026-04-20Advanced

Building a Stripe Subscription SaaS with Claude Code: Webhooks, Auth, and Production Pitfalls

Shipping a Stripe subscription SaaS with Claude Code on Cloudflare Workers: Webhook verification, KV + Cookie auth, and a cookie regex that failed silently.

⟐ Claude Code/2026-04-19Advanced

Claude Code × Cursor × Devin Desktop (formerly Windsurf): A Practical Hybrid Development Setup

How to route work across Claude Code, Cursor, and Devin Desktop (formerly Windsurf) — and sync rules into the directory format, measured over five consecutive runs.

◉ Claude AI/2026-04-19Intermediate

Gemini 2.5 Pro vs Claude Sonnet 4.6: Real Coding Task Comparison for Japanese Developers

A hands-on comparison of Gemini 2.5 Pro and Claude Sonnet 4.6 across real coding tasks: bug fixing, feature implementation from Japanese specs, and code review. Find out which model fits your workflow.

◉ Claude AI/2026-04-19Beginner

Card Declined on Claude? Here's How to Fix It by Cause

Getting a payment declined error when renewing Claude Pro? This guide breaks down the most common causes — issuer blocks, 3-D Secure failures, debit and prepaid quirks, and billing limits — and walks you through fixing each one.

⟐ Claude Code/2026-04-18Advanced

Building iOS 18 Widgets & App Intents with Claude Code: A Complete Implementation Guide

Accelerate WidgetKit and App Intents development with Claude Code. A hands-on guide covering interactive widgets, Live Activities, and Siri integration—with working code and real-world pitfalls.

⟐ Claude Code/2026-04-18Intermediate

Claude Code for Mobile App Development in 2026: A Practical SwiftUI & Kotlin Workflow

How to actually integrate Claude Code into iOS (SwiftUI) and Android (Kotlin) development. Real patterns from an indie developer maintaining multiple apps.

⟐ Claude Code/2026-04-18Intermediate

Three Months of Cutting Technical Debt in Half with Claude Code — A Practical Record

A three-month hands-on record of tackling accumulated technical debt using Claude Code. Covers visualization, prioritization, and automated refactoring — with real numbers showing what actually changed.

⬡ API & SDK/2026-04-18Advanced

Building a Real-Time AI Processing Pipeline with Claude API and Apache Kafka

Learn how to integrate Claude API into Apache Kafka event streams with production-grade patterns. Implement smart buffering, model routing, and Dead Letter Queues to run large-scale real-time AI analysis at low cost.

⟐ Claude Code/2026-04-17Advanced

From Spec to Production: Spec-Driven Development with Claude Code

Driving tests, implementation, and docs from a YAML spec with Claude Code, plus measured bcrypt 72-byte results where a valid spec still yields broken code.

⟐ Claude Code/2026-04-17Advanced

Building a Custom Autonomous Agent Loop with Claude Code SDK — Beyond the CLI

Understand the internals of the Claude Code SDK and build custom autonomous agent loops in Python and TypeScript. Covers tool permissions, error recovery, and streaming, plus the cost instrumentation and monthly model audits I rely on in real operation.