Claude Code uses Bun written in Rust now

simonwillison.net

19th July 2026 In Rewriting Bun in Rust Jarred Sumner made the following claim: Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on Linux but otherwise, barely anyone noticed. Boring … Read more

Claude Code: Anatomy of a Misfeature

olafalders.com
claude-code:-anatomy-of-a-misfeature

“Mechanical egg timer” by Hustvedt is licensed under CC BY-SA 3.0 . Padded to a wider frame; this adaptation is likewise licensed CC BY-SA 3.0. On Canada Day (July 1), 2026, Anthropic shipped a surprising “easter egg” to users of … Read more

How to stop Claude from saying load-bearing

jola.dev
how-to-stop-claude-from-saying-load-bearing

Absolutely ripping your hair out reading Claude referring to everything as “honest takes” and “load-bearing seams”? You’re not the only one. But what if I tell you there’s a way to take this massive source of frustration and make it … Read more

Claude is just Mr. Meeseeks

github.com
claude-is-just-mr.-meeseeks

“I’m Mr. Meeseeks! Look at me!” A Claude Code plugin that plays a Mr. Meeseeks voice line whenever Claude is genuinely waiting on you. When Claude finishes and is waiting for your next prompt → a satisfied/finished clip from audio/done/ … Read more

Claude Design System Prompt

github.com
claude-design-system-prompt

Reverse-engineered system prompt of Claude Design from Anthropic. A system prompt and skill library that turns an LLM into an opinionated, accessibility-aware, AI-slop-resistant design collaborator. Open source, MIT licensed. Drop the prompt into any LLM that supports system prompts (Claude, … Read more

Claude Fable 5 Promotional Access

support.claude.com
claude-fable-5-promotional-access

For a limited time, you can use our newest model—Claude Fable 5—at no extra cost as part of your subscription plan. This article explains what the promotion includes, how to access Claude Fable 5, what happens when you reach your … Read more