Claude Code
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Why expensive models make terrible execution subagents
Subagent model selection has one costly default. Reasoning models obey their own traces 15.6% of the time, so here is where to pin model and effort.
Token-Compression Skills Do Not Survive Measurement
Token compression skills report savings the invoice never shows. Cache reads carry 87 percent of an agent bill, and cutting tokens can push the cost up.
Why Astro, Cloudflare Workers, and Claude Code Fast Track Production
Astro Cloudflare Workers stack ships 90% less JavaScript, starts in under 5ms, and runs workerd in dev. The migration gotchas nobody covers, solved.
How claude skills were meant to be made (by hand)
Hand-written claude code skills outperform generated ones because they carry only the delta the model needs. Drop the bloat and survive every model upgrade.
Every Model Release Ages Your Skills
Claude Code ignoring CLAUDE.md is often an aged file, not a model bug. See which instructions a release expires, and which lines to delete on day one.
What Opus 5's Novel-Level Reasoning Benchmark Actually Means
Opus 5 novel reasoning rests on one number, 30.2% on ARC-AGI-3, and it scores action efficiency, not problems solved. Here are the four config lines to change.
6 Critics Grade My Post, Then Fix the Skill That Wrote It
Six critics grade the draft, then patch the SKILL.md that wrote it. The merge code, verdict ladder, and guardrails behind a self-improving Claude Code skill.
How to Write Claude Code Skills That Actually Trigger
Write Claude Code skills that actually trigger: fix the description-as-router, structure for progressive disclosure, and test in fresh sessions.
Ways to Make the Most Out of Claude Fable 5 (2026)
Get more from Claude Fable 5: pick the right effort level, plan with Fable while cheaper models implement, and claw back costs with caching and batching.