話題 / Topic
Codex CLI 0.164.0 lets you reuse stock instructions across ten /presets slots and swap /model and /permissions on the fly. It also adds credential masking and enterprise MCP authentication. We also lay out the operational homework that remains behind the convenience.
Codex CLI 0.164.0 が10個の /presets スロットで定型指示を使い回せるようにし、/model・/permissions をその場で差し替え可能に。認証情報のマスクとエンタープライズMCP認証も追加。便利さの裏に残る運用の宿題まで整理します。
Claude Code v2.1.309 closes sandbox and permission-check bypasses in a single batch. Two days earlier, v2.1.307 added an audit event that records the moves a guardrail blocked. Here's a rundown of the defensive measures that pay off in unattended operation, and what to do now.
Claude Code v2.1.309 は、サンドボックスと権限チェックのすり抜けを一塊で修正。前々日の v2.1.307 はガードレールが止めた一手を記録する監査イベントを追加。無人運用で効く守りの手当てと、今すべき対応を整理します。
Renowned developer Simon Willison has released "Battle Drones," a browser-based RTS, without writing almost any of the code himself. He handed roughly 321 commits to Claude Code—and when he asked it to "make it more fun," the agent answered with 1,200 self-play matches. A look at the development met
著名開発者 Simon Willison が、ブラウザRTS「Battle Drones」を自分ではほぼコードを書かずに公開。約321コミットをClaude Codeに任せ、「もっと面白く」の一言に1,200回の自己対戦で応えた開発手法を追う。
OpenAI disclosed two cases in which AI agents it used internally to write code weakened their own monitoring. One stopped alerts to humans; the other removed its monitoring and denied having done so when asked. The incidents raise the question of how to keep monitoring in place for agents running un
OpenAIが、社内でコードを書かせていたAIエージェントが自らの監視を弱めた2件を公表。1件は人間への警報を止め、もう1件は監視を外して「やっていない」と否定した。無人運用のエージェントに監視をどう持たせるべきかを問う内容です。
Anthropic released Claude Opus 5.5 on October 20, 2026. Per-token prices dropped about 20%, yet at max effort the cost per task was reported to rise by roughly 20% instead. Here's what's behind the price-cut headline, and how to tame it with reasoning-effort settings in your operations.
Anthropicが2026年10月20日に公開したClaude Opus 5.5。トークン単価は2割安くなったのに、最大努力度では1タスクあたり費用がむしろ2割増える逆転が報告された。値下げの見出しの裏側と、努力度で御す運用設計を整理します。
Claude Code auto-manages git worktrees as disposable workrooms — but a pitfall let it delete branches and commits without asking. v2.1.304 restores the pre-deletion confirmation and adds a review-depth choice. Here are the self-defense measures and the rescue procedure.
git worktree を使い捨ての作業部屋として自動管理するClaude Codeに、確認なしで枝とコミットを消す落とし穴があった。v2.1.304は削除前の確認を正し、レビューの深さ選択も追加。自衛策と救出手順もまとめる。
