produced by Classmethod

# Claude articles

Claude Code v2.1.281 Major Updates - Addition of attribution: false and Enhanced rm -rf Confirmation

2026.09.24

[Book Review] "Claude Code Work Techniques for Business Professionals [Minolun Style]" - A Must-Read Guide for Engineers Who Use AI Every Day on How to Raise Your Own AI #minolun式

2026.09.24

Claude Code v2.1.280 Major Updates - The Arrival of Fable 5.1 and Opus 5.5, the Latest Model Surpassing GPT-6 Astra

2026.09.23

I tried out Claude Opus 5.5, which became available on Amazon Bedrock

2026.09.23

I tried semi-automating proposal creation with Slack MCP and Claude Cowork

ケーイチ｜生成AIコンサルタント@Classmethod

2026.09.20

Claude Code v2.1.277 to v2.1.278 Major Updates - Long-awaited AGENTS.md Support and Removal of the TaskOutput Tool

2026.09.19

Claude Code v2.1.275 to v2.1.276 Major Updates - claude.ai Skills/Plugin Sync and 400 Error Fix via Proxy

2026.09.18

Claude Code v2.1.274 Major Updates - Deprecation of `type: sdk` MCP Configuration and MCP Connection Stabilization

2026.09.17

The story that Claude Managed Agents' cloud sandbox execution environment runs on Firecracker

2026.09.16

Claude Code v2.1.273 Major Updates - Fix for early auto-compact triggering and security fixes around permissions

2026.09.16

## Claude Code の /goal は何を根拠に「終わった」と判断するのか、複数の指示で検証してみた I verified with multiple instructions what Claude Code's /goal uses as a basis to judge "done"

嶋田怜央成 / Reona Shimada

2026.09.15

Claude Code v2.1.270 to v2.1.272 Key Updates - Sub-agent omitClaudeMd and permission-related fixes

2026.09.15

When I set auto mode as the default at startup in Claude Code, the behavior diverged between supported and unsupported models

2026.09.14

Claude Code v2.1.269 Major Updates - Addition of claude plugin eval and fix for permission rule application omissions

2026.09.12

Claude Code v2.1.268 Major Updates - Task Management Tool Model-Specific Availability and Permission Rules Security Fix

2026.09.11

Claude Code v2.1.267 Major Updates - Addition of maxEffortLevel and Comprehensive Fixes Around Prompt Caching

2026.09.10

I tried launching a Claude Managed Agents sandbox on AWS with Lambda MicroVMs × Claude Platform

2026.09.09

Claude Code v2.1.263 to v2.1.266 Major Updates - plugin-dir Folder Specification and MCP Connection Fixes

2026.09.09

Launch Claude Cowork quickly from the working directory

2026.09.07

Claude Code v2.1.261 Major Updates - Addition of /skill-doctor and Bash-compliant Word Editing Keys

2026.09.05

Claude Code v2.1.259 to v2.1.260 Major Updates - Addition of Diff Panel and Security Fix for Permission Rules

2026.09.04

How to Handle Beads That I've Come to Understand After Using It for About a Month: Priority Judgment and Notes Operation

越井琢巳 (Koshii Takumi)

2026.09.03

Claude Code v2.1.252 to v2.1.258 Key Updates - Fable 5.1 Addition and macOS 12 Launch Issue Fix

2026.09.02

Amazon Bedrock now has Claude Fable 5.1 available, so I tried calling it from the Converse API

2026.09.02

[Summer Vacation Free Research Relay] Visualizing Claude Code Processing Status with ESP32

2026.08.31

I thought about the ideal form of AI Gateway and router for using coding agents as a team

森茂洋 / Hiroshi Morishige

2026.08.30

Claude Code v2.1.250 to v2.1.251 Key Updates - Project Settings env Restrictions and Prompt Cache Visualization

2026.08.29

Claude Code v2.1.248 Major Updates - Addition of --restricted to Limit Tools

2026.08.28

Claude Code v2.1.247 Major Updates - Addition of /claude-api cost-optimize tool and Sonnet 5 auto-compact 1M upgrade

2026.08.27

Claude Code v2.1.246 Major Updates - Bash Permission Rules Warning and API Key Destination Fix

2026.08.26

Claude Code v2.1.240 to v2.1.245 Major Updates - Addition of modelPicker and promptCacheTtl

2026.08.25

I tried adding CloudFront to a browser-only Claude Code environment (EC2 + code-server + Bedrock) and making it possible to install extensions too

林睦記 / Mutsuki Hayashi

2026.08.25

Generate the first draft of an operation manual from source code (Design Edition)

2026.08.24

First-Time Management: 1-on-1s Assembled with AI

2026.08.23

Claude Code v2.1.238~v2.1.239 Major Updates - Focused Improvements to Remote Control and Addition of keybindingFlavor Setting

2026.08.22

I got a "Credit balance too low" error even though I'm subscribed to the Claude Max plan

2026.08.21