All Articles
Claude Mythos Explained — Understanding Anthropic's New Agent-Focused Product Through Its System Card
A deep dive into Claude Mythos, Anthropic's new sandboxed agent model. Covers the system card, sandbox architecture, comparison with general Claude models, and practical adoption scenarios.
Anthropic IPO 2026 Status — Timing, Valuation, and What It Means for Claude Users
A grounded look at where Anthropic stands on going public as of May 2026. Covers timing speculation, valuation history, comparison with OpenAI, and what an eventual IPO might mean for Claude users.
When Claude won't send your message: a diagnostic order that always finds the cause
When the send button does nothing, the spinner runs forever, or your message vanishes — here's the order I work through to find the real cause within five minutes.
9 Practical Claude System Prompt Examples — Templates That Work in Production
Nine production-ready Claude system prompt templates for support, code review, JSON extraction, education, persona consistency, and more — with the design rationale for each pattern.
Make Claude Your Production Debugging Companion: A Practical Design for Log Triage, Hypothesis Generation, and Repro Scripts
A field-tested blueprint for solo developers who carry their own pager. We split production debugging into three jobs Claude can actually own — log summarization, hypothesis generation, and minimal repro — with full prompts, sanitization code, and traps that cost me real downtime.
When Claude's Web Search Isn't Working: 7 Things Worth Checking
Walk through the seven most common reasons Claude's Web Search fails to return fresh results — from model selection and toggle state to robots.txt blocks and corporate proxies.
Why Rakuten Card Gets Declined on Claude — Practical Fixes for Japanese Cardholders
Rakuten Card holders often see 'card declined' errors when buying Claude Pro or API credits. This guide walks through the structural reasons specific to Rakuten Card and the practical steps that actually get the payment through.
Anthropic IPO 2026 — A Builder's Roadmap in 7 Practical Lenses
Most Anthropic IPO coverage is written for investors. This piece reframes the same news through the eyes of a solo developer shipping with Claude — what it means for API pricing, model cadence, and the contract terms you should pay attention to.
Claude Mythos in Practice — Anthropic's New Model Spec and Where It Earns Its Keep
Anthropic quietly rolled out something called 'Claude Mythos.' Here's what it actually is, when to reach for it, and what I learned after spending a week with it in real projects.
Supercharge Your Research with Claude AI: From Information Gathering to Polished Reports
Learn how to use Claude AI across every stage of a research workflow — collecting information, organizing findings, and generating structured reports. Practical guide with working code examples.
Claude Sonnet 4.6 vs Opus 4.6 — A Task-by-Task Selection Guide From Daily Use
Choosing between Sonnet 4.6 and Opus 4.6 comes up more often than you'd expect. From someone who uses both daily, here's a task-by-task breakdown — plus how the same yardsticks carry over to Sonnet 5 and Opus 4.8, and where a narrower price gap moves the break-even.
When Extended Thinking 'Does Not Work': 7 Causes That Hide Behind the Same Symptom
When you turn on Extended Thinking but the response feels identical to before, the cause is usually one of seven distinct problems. This guide walks through how to diagnose each from the API, the chat UI, the SDK, and the model layer.