AI Development
Your CLAUDE.md File Is Too Long: The Context Diet That Cut Mine 87%
Anthropic removed ~80% of Claude Code's system prompt for Claude 5, and the internet decided that means delete your CLAUDE.md. Don't. Here's the four-bucket diet that took mine from 1,204 lines to 151 without losing a single incident-earned warning.
Claude Opus 5: Fable 5 intelligence at half the price, with a dial for how hard it thinks
Anthropic shipped Claude Opus 5 on July 24 at exactly Opus 4.8's price, landing within 0.5% of Fable 5 on coding for half the cost. A builder's read on the effort dial, the two breaking API changes, and the prompting habit you now need to delete.
Claude Code 2.1.216: everything that changed since 2.1.186
25 Claude Code releases shipped in the four weeks between 2.1.186 and 2.1.216. Claude Sonnet 5 launched as the Free and Pro default, subagents moved to the background by default, and the permission system got renamed, extended, and audited.
Claude Fable 5 lasted three days: why the US government pulled Anthropic's most powerful model
Anthropic's first public Mythos-class model launched June 9, then a US export-control order pulled it offline three days later. A clear look at what Claude Fable 5 does, what it costs vs Opus 4.8, why it was suspended, and what comes next.
How to install Open Design with Claude Code in 10 minutes
Step-by-step Open Design setup driven by Claude Code. Node 24, Corepack, pnpm, the daemon, first generation, plus troubleshooting for the #1 install issue: PATH-based CLI detection failures.
Claude Opus 4.8 and dynamic workflows: what actually shipped
Claude Opus 4.8 brings dynamic workflows to Claude Code and a model that flags its own mistakes. What actually changed, the latest Claude Code version, and what it means for n8n users.
Claude Code's /code-review vs /ce-code-review: when each one wins
Claude Code ships /code-review and /simplify natively. The compound-engineering plugin ships /ce-code-review and /ce-simplify-code on top. They look like duplicates – they aren't. Here's a side-by-side, the quick-review short-circuit you probably missed, and a decision matrix for which to use when.
Open Design, 4 weeks in: should an SMB owner touch it yet?
Open Design shipped April 28 with 19 skills and 71 design systems. Four weeks later it's at 132 skills, 150 design systems, 8 stable releases, 52K stars, and now generates video. Here's the SMB go/no-go.
The 2 prerequisites for Claude Code (you'll regret skipping)
Before you install Claude Code, you need source control (GitHub or similar) and issue tracking (Linear or similar). Here's what each one does, why both matter, and the 10-minute setup to get both running.
A beginner's guide to source control with GitHub
GitHub for beginners – what source control is, the 5 commands that do 90% of the work, branching, pull requests, and the conventions worth stealing from production AGENTS.md files.
Claude Code 2.1.141: the stabilization pass after 2.1.139's feature wave
Claude Code 2.1.141 ships ~60 fixes plus four real adds: terminalSequence hooks, ANTHROPIC_WORKSPACE_ID, claude agents --cwd, and Rewind's Summarize up to here. The polish wave on 2.1.139's feature drop.
How I shipped a 3-week-old design handoff in 18 minutes with Claude Code
Claude Code has 4 execution modes (default, accept-edits, plan, auto). Most people use one. Here's how I used all four to ship a design handoff to a live landing page in 18 minutes.
Anthropic just doubled Claude Code's rate limits – and signed for every GPU in SpaceX's Colossus 1 data center to back it up
Anthropic doubled Claude Code's 5-hour rate limits, removed peak-hours throttling, and signed for SpaceX's Colossus 1 data center – 220,000 NVIDIA GPUs, 300+ MW, online in one month.
Claude Code 2.1.131: the silent 1-hour prompt cache bug, plus 64 changes since 2.1.126
Claude Code 2.1.131 ships today. The buried headline is 2.1.129's silent 1-hour prompt cache TTL downgrading to 5 minutes – plus 64 changes since 2.1.126.
Claude Code 2.1.126: OAuth that works over SSH, sessions that survive Mac sleep, and a managed-settings security fix
Claude Code 2.1.126 lands 33 fixes. OAuth login finally works over SSH, WSL2, and containers. Sessions survive Mac sleep. claude project purge ships. Plus a managed-sandbox enforcement bug fixed.
Compound Engineering for Claude Code + AGENTS.md
I split my dev process from CLAUDE.md into AGENTS.md and let the Compound Engineering plugin run it. Here's the full pipeline, tier rules, and AGENTS.md template anchoring every PR.
Claude Design vs Open Design: should you buy a design tool, or teach your CLI?
Anthropic shipped Claude Design April 17. Open Design shipped 11 days later as the OSS clone with 71 design systems and BYOK on any CLI. Honest comparison + decision framework.
Claude Code 2.1.121: Opus 4.7 finally uses its full 1M window
A quiet bug had Opus 4.7 autocompacting at 200K instead of 1M. 2.1.117 fixed it. Five releases, four memory leaks, and 150+ other changes since 2.1.116.
The one Claude Code trick that cuts context by 64%
Your Claude Code 1M context window isn't the win. The @file:L10-L50 trick is. Here's how line ranges cut my token use by 64% on a real refactor.
Claude Code 2.1.116: /resume is 67% faster and the binary went native
Since Opus 4.7, Claude Code shipped four releases – a native binary, a 67% /resume speedup, hardened sandboxing, and 60+ other changes. Here's the recap.
Claude Opus 4.7 and Claude Code 2.1.112: what actually changed
Claude Opus 4.7 hits 87.6% on SWE-bench Verified with a new xhigh effort level. Here's what's in Claude Code 2.1.112 and the past two weeks of releases.
Claude Code routines: automate your dev workflow without leaving your laptop open
Claude Code routines run on Anthropic's cloud infrastructure. Set up scheduled tasks, API triggers, and GitHub event handlers that work while your laptop is closed.
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