CLAUDE LABJP
RATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and BashRATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and Bash
ARTICLES

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All (786) Claude AI (133) Claude Code (320) Cowork (54) API & SDK (279)
API & SDK/2026-04-17Advanced

Building a GitHub PR Review Bot with Claude API — From Webhook Signature Verification to Structured Reviews with Tool Use

Build a production PR review bot with Claude API and GitHub Webhooks. Enforce structured scoring, security scanning, and suggestions via Tool Use — with signature verification, debouncing, rate limits, and cost tracking drawn from real-world operation.

Claude Code/2026-04-16Advanced

Claude Code Multi-Agent Parallel Execution — Task Tool and SubAgent Patterns That Hold Up in Practice

Measured results from parallelizing Claude Code with the Task tool and SubAgents. Covers what to split and what never to split, a validating aggregation layer in TypeScript, and the disk contention and stale-input traps I hit along the way.

API & SDK/2026-04-16Advanced

Claude API with Go: Production— Anthropic Go SDK, Concurrency, Tool Use & Microservice Integration

A practical guide to using Claude API with Go in production. Covers streaming with goroutines, concurrent Tool Use, rate limiting with channels, Gin/Echo integration, graceful shutdown, and Kubernetes deployment with working code examples.

API & SDK/2026-04-16Intermediate

Claude API JSON Output Fails: 5 Root Causes and Fixes

Fix Claude API JSON parsing errors with these 5 common root causes: markdown code block wrapping, truncated output, injected commentary, Unicode escaping, and streaming parse failures. Includes copy-paste ready Python utility code.

Claude Code/2026-04-15Advanced

Claude Code × SwiftUI × StoreKit 2 — Complete In-App Purchase & Subscription Implementation Guide

Master in-app purchases and subscriptions with Claude Code, SwiftUI, and StoreKit 2. From transaction handling and server-side validation to paywall UI design — production-quality code that passes App Store review.

Cowork/2026-04-15Intermediate

Cowork × Python Data Analysis Automation: Build a Weekly Report Pipeline with pandas and Matplotlib

Learn how to combine Cowork's scheduled tasks with Python to fully automate your data analysis reports. From pandas aggregation to Matplotlib charts and Google Sheets integration — a complete, production-ready implementation guide.

API & SDK/2026-04-14Advanced

Claude API × Kotlin Multiplatform — Building Production AI Features for iOS and Android

Integrating Claude API with Kotlin Multiplatform (KMP) to ship production-quality AI assistant features on iOS and Android. Streaming, error handling, retry strategies, and testing — written from a personal app developer's production experience.

Claude Code/2026-04-14Intermediate

Claude Code Stopped Mid-Task? A Practical Recovery Guide to Resume Work Safely

When Claude Code stops responding mid-task, the worst thing you can do is immediately retry. This guide walks you through a 5-step recovery process using git to confirm what was completed before resuming safely.

Claude AI/2026-04-14Intermediate

Gemma 4's Thinking Mode vs. Claude Extended Thinking: What's Actually Different

Gemma 4 introduced internal reasoning that generates 4,000+ tokens before answering. Here's how it compares to Claude Extended Thinking, what makes them different, and when to choose each.

API & SDK/2026-04-13Advanced

Building Enterprise AI Backends with Claude API and NestJS: Production

A complete production guide to integrating Claude API into NestJS using dependency injection, TypeORM, SSE streaming, JWT auth, and Bull queues—with working code you can deploy today.

Claude Code/2026-04-13Intermediate

Claude Code Tool Permissions: Custom Allow/Deny Policies

Learn how to control Claude Code tool permissions with allowedTools, disallowedTools, and settings.json. Includes project-specific permission patterns for frontend, backend, and read-only review scenarios.

API & SDK/2026-04-13Intermediate

Implementing Claude API SSE Streaming in Next.js App Router

Learn how to implement Server-Sent Events streaming from the Claude API in Next.js App Router. Covers ReadableStream, React hooks, cancellation, and error handling with production-ready code.