◉CLAUDE LABJP
●2.1.289 — Claude Code 2.1.289 (Oct 3) fixes deny/ask rules on nested parts of compound shell commands, a terminal freeze, and Read deny through symlinks●10/07 — 1 day left until the old spellings of Claude Desktop / Cowork managed-config keys stop being accepted. After the cutoff they fail closed●ACCOUNTS — A request to switch between multiple accounts in Claude Desktop has gathered over 200 comments on GitHub. How far today's workarounds go is the real question●NEW — When Claude Code committed despite a no-commit instruction, I separated the cause with a deny rule and a PreToolUse hook●COMPARE — A Zenn post compares Opus 5.5 and Sonnet 5.5 with numbers. The real question is where to draw the line per job●SONNET5.5 — Code written for Sonnet 5 can break on 5.5 in five ways. Thinking settings and forced tool_choice are the places to check first●2.1.289 — Claude Code 2.1.289 (Oct 3) fixes deny/ask rules on nested parts of compound shell commands, a terminal freeze, and Read deny through symlinks●10/07 — 1 day left until the old spellings of Claude Desktop / Cowork managed-config keys stop being accepted. After the cutoff they fail closed●ACCOUNTS — A request to switch between multiple accounts in Claude Desktop has gathered over 200 comments on GitHub. How far today's workarounds go is the real question●NEW — When Claude Code committed despite a no-commit instruction, I separated the cause with a deny rule and a PreToolUse hook●COMPARE — A Zenn post compares Opus 5.5 and Sonnet 5.5 with numbers. The real question is where to draw the line per job●SONNET5.5 — Code written for Sonnet 5 can break on 5.5 in five ways. Thinking settings and forced tool_choice are the places to check first
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◈ Cowork/2026-03-24Beginner

Claude Cowork & Claude Code Can Now Control Your Mac — Setup and

On March 23, 2026, Anthropic launched computer use for Claude Cowork and Claude Code on macOS. Learn how to set it up, explore real-world use cases, and understand the security model behind this new capability.

◈ Cowork/2026-03-22Beginner

Markdown Basics — A Basics to Writing Skill Files and Instructions for Cowork

Learn the essential Markdown syntax you need to create skill files and instruction documents in Cowork. Covers headings, lists, code blocks, tables, and more with practical examples.

◉ Claude AI/2026-03-20Advanced

Claude Development Best Practices Collection — Essential Techniques from 29 Premium Articles

A curated collection of best practices from all Claude Lab premium articles. Covers API design, Claude Code workflows, Cowork automation, monetization strategies, and prompt engineering.

◈ Cowork/2026-03-19Intermediate

Claude Cowork Scheduled Tasks — Recurring Runs, Reminders, and Auto-Reports

How to set up recurring execution, one-time reminders, and automatic reports with Claude Cowork's scheduled tasks. From cron syntax to dry runs, timing spread, and idempotent prompts, with the lessons that only show up in real operation.

◉ Claude AI/2026-03-18Beginner

Claude Enterprise Now Available for Self-Serve Purchase — No Sales Call Required

Anthropic now lets any organization purchase Claude Enterprise directly on its website, no sales involvement needed. Get enterprise-grade AI — including Claude Code and Cowork — up and running same day.

◈ Cowork/2026-03-16Intermediate

Automate note Content & Monetization with Cowork: Build a Subscription Business

Discover how to use Cowork and Claude in Chrome to automate note.com membership content creation, analytics, and grow passive income from your writing.

◈ Cowork/2026-03-15Beginner

Claude in Chrome vs. Cowork: Watch It Work, or Let It Run

The real difference between Claude in Chrome and Cowork isn't features — it's how you work with each. First-day pitfalls and safe starter prompts included.

◈ Cowork/2026-03-09Beginner

Cowork 2026 Updates — Windows Support, Scheduled Tasks & New Connectors

A roundup of Cowork's latest features in 2026: Windows support, scheduled tasks, plugin marketplace, new MCP connectors, and more.

◈ Cowork/2026-03-09Beginner

Cowork Connectors Guide — Maximize AI Power with External Service Integration

Learn how to use Cowork's connector features. From integrating with Canva, Figma, Slack, and Asana to interactive tool integration via MCP Apps, discover practical ways to connect external services.

◈ Cowork/2026-03-09Intermediate

Suno AI × Claude Guide — Building an AI-Powered Songwriting Workflow

Learn how to combine Suno AI and Claude for an AI music creation workflow. Covers lyrics generation, MCP integration, and prompt design tips.