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
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Claude Code/2026-04-24Advanced

Debugging Claude Code Hooks in Production — Where to Start When Logs Are Missing

Your Claude Code hooks work locally but go silent in production. Here is the three-layer observability pattern I use on real projects, plus a 60-second minimal reproduction recipe for isolating failures.

Claude Code/2026-04-24Advanced

Fixed-Bid Pricing Engineering for Freelancers in the Claude Code Era

How to price fixed-bid engagements in the Claude Code era without bleeding profit — a three-layer cost model, risk buffers, and contract clauses that protect freelancers when generative AI compresses hours.

Claude Code/2026-04-24Beginner

Claude Keeps Saying 'Response Incomplete' — A Layered Troubleshooting Guide

Diagnose why Claude or Claude Code freezes with a 'Response incomplete' or 'Try stopping' message. Walk through the four layers where generation can stall and recover the session without losing context.

Claude Code/2026-04-24Intermediate

Three Minutes with /doctor: Catching Claude Code Config Drift Before It Costs You an Hour

When Claude Code acts up, the first thing to run is /doctor. It shows merged settings, MCP server status, and permission mode at a glance.

Claude Code/2026-04-24Advanced

Write the Repro Test Before Delegating Bug Fixes to Claude Code

After watching Claude Code spin its wheels on ambiguous bug reports, I started writing the failing test myself before delegating. This post walks through the design principles, a concrete repro test, and the three-stage workflow I run in production.

API & SDK/2026-04-24Advanced

Shadow Mode with Claude Agent SDK — Measuring Agent Accuracy on Live Traffic Without Touching Users

You want to ship an AI agent to production, but you can't measure its real accuracy without exposing real users. Shadow mode solves that paradox. This guide shows how to run a Claude Agent SDK agent alongside your existing workflow, log the deltas, and promote it step by step.

Claude AI/2026-04-24Intermediate

Claude for Teachers: A Practical Workflow for Lesson Prep, Grading, and Personalized Feedback

A practical guide to using Claude in real classroom work, built around three pillars: lesson prep, grading, and personalized feedback — with concrete prompts and the privacy rules you need before you start.

API & SDK/2026-04-23Advanced

High-Availability Patterns for the Claude API — Making Sonnet/Haiku/Opus Fallback Work in Production

A single-model Claude API integration will fall over the first time rate limits or a regional hiccup land at peak hours. This is the production pattern for a Sonnet → Opus → Haiku fallback chain, with circuit breakers, streaming coverage, and the pitfalls you only learn the hard way.

Claude AI/2026-04-23Beginner

When Claude Says 'Failed to Send Message' — A Practical Triage and Recovery Guide

Why Claude shows 'Failed to send message' — broken down into five real causes, with a quick triage order and practical fixes for each.

Claude Code/2026-04-23Advanced

Finishing Long-Running Claude Code Tasks: A Resilience Playbook You Can Ship

Multi-hour Claude Code jobs — bulk refactors, TypeScript migrations, mass test generation — always stop before they finish, and recovery is painful when you cannot tell what already ran. This guide ships concrete patterns: a checkpoint-driven manifest, a three-state circuit breaker, idempotent retry rules, and a freeze-and-resume protocol you can copy into your repo today.

API & SDK/2026-04-23Intermediate

Using tool_choice to Cut Wasted Inference: Four Modes and Cost Patterns for Production

tool_choice is one of the most underused parameters in the Claude API. The four modes — auto, any, tool, and none — each change both behavior and token cost. Here are the patterns I reach for in production, with runnable code.

API & SDK/2026-04-23Advanced

Running Claude API Parallel Tool Use in Production — Controlling Concurrency, Designing for Partial Failure, and Cutting Latency

Claude API's parallel tool use can cut agent latency in half — but partial failures and state conflicts show up fast in production. Here's how to control concurrency, design error handling, and add observability.