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)
Claude Code/2026-06-14Advanced

Running Claude Code Hooks as a Quality Gate Without Breaking Your Pipeline

An implementation note on running Claude Code Hooks as a safety valve for automation: when to block with exit code 2 versus JSON output, how to keep formatters from looping or over-blocking, and how to log every hook firing so misfires are traceable.

Claude Code/2026-06-14Intermediate

Measuring a Week of Headless Usage the Night Before the Billing Change

With headless Claude Code moving to monthly credits on June 15, I spent a week logging how many tokens my unattended runs actually consume, so I could pick a plan based on numbers instead of a guess.

API & SDK/2026-06-14Advanced

Wiring Claude's Dreaming Into Memory Hygiene for Long-Running Agents

Managed Agents' Dreaming reviews past sessions and rewrites memory as a self-improvement loop. We unpack the published Harvey and Wisedocs numbers, build a complete self-hosted consolidation loop with the Anthropic SDK, and cover the production pitfalls.

API & SDK/2026-06-13Advanced

Auditing pinned model IDs before claude-sonnet-4 and claude-opus-4 retire from the API

On June 15, claude-sonnet-4 and claude-opus-4 retire from the API. Here is how to find every pinned model ID before then, measure output parity, and cut over safely with an alias layer and a fallback.

Claude Code/2026-06-13Intermediate

What the June 15 Claude Code Billing Change Means for Headless Runs

From June 15, 2026, the Agent SDK, headless claude -p, GitHub Actions, and third-party agents move to monthly credits. Here's how a solo developer running automation decided what to keep and what to cut.

Claude Code/2026-06-13Advanced

Pin Your Execution Model with enforceAvailableModels — Don't Let Auto-Upgrades Burn Through Your Credits

From June 15, monthly credits become non-rolling. This is a setup-layer approach to keep subagents and fallbacks from silently upgrading to pricier models, using enforceAvailableModels to pin the model set from the managed-settings layer, with a verification step you can run in CI.

Cowork/2026-06-13Intermediate

Running Cowork Scheduled Tasks in Practice — From a Morning Digest to Unattended Weekly Reports

How to set up recurring runs, reminders, and automated reports with Claude Cowork's scheduled tasks — covering cron basics, prompt design that survives unattended execution, and how to schedule multiple tasks so they stay reliable.

Claude Code/2026-06-13Advanced

Context Budgets for Nested Subagents: Designing Contracts So 5-Level Delegation Doesn't Lose Quality

Once subagents could nest, deeper delegation made summaries thinner and reruns more frequent. Here is how I rebuilt quality by adding four contracts between layers: token budgets, a handoff schema, failure isolation, and an independent grader.

Claude Code/2026-06-13Advanced

Shipping Production-Quality Go REST APIs with Claude Code — Gin, GORM, Docker, and CI/CD with the Judgment Calls That Matter

A hands-on walkthrough of building a production-quality REST API with Claude Code and Go — Clean Architecture with Gin and GORM, graceful shutdown, minimal Docker images, and GitHub Actions, with the operational judgment calls AI won't make for you.

API & SDK/2026-06-13Advanced

Claude Vision API in Production — Implementation Patterns for Image Analysis, PDF Processing, and OCR

Implementation patterns for taking Claude's vision capabilities to production: choosing between Base64, URL, and the Files API, native PDF processing, schema-enforced extraction with Tool Use, batch cost reduction, and error recovery — all with working code.

API & SDK/2026-06-13Advanced

Claude API Python Advanced Cookbook: 20 Production Patterns You'll Actually Use

20 battle-tested Python patterns for the Claude API—retry logic, parallel processing, cost optimization, testing, and monitoring. Copy-paste ready code recipes.

Claude Code/2026-06-13Intermediate

How Deep Should Nested Subagents Go? Rethinking My Delegation Tree After Claude Code's 5-Level Limit

Claude Code subagents can now spawn their own subagents, up to five levels deep. I rebuilt my automation around nesting and settled on three levels — here is why.