Merged timeline of 107 items — blog publish times and listing timestamps, cut at midnight . Page 3 of 3.
DESIGN.md isn't just a spec; it's a workflow. Learn how to use the explainx.ai design registry and generator skill to teach your AI agents exactly how your brand should look and feel.
The viral 2026 narrative is grounded in public numbers: benchmark gains from prompts, tools, and middleware—not a model swap. Here is what an agent harness is, who proved it, and how teams decide depth.
Terminal-Bench 2.0 has become the de facto standard for AI agent evaluation since May 2025—used by virtually every frontier lab. This deep dive covers the 89-task benchmark, its evolution from version 1.0, the Harbor framework powering it, and why frontier models still struggle below 65% accuracy on tasks humans complete routinely.
/ultraplan shipped in v2.1.92 for cloud planning with browser comments; Anthropic removed it in 2026. ultrathink is not /ultrathink — it is a keyword for one-turn deep reasoning. Here is the split, replacements, and community feedback from the 613-upvote launch thread.
The Claude Code CLI slash command /ultrareview dispatches parallel reviewer agents on Anthropic’s web stack, then verifies findings. Here is what the documentation promises, what it costs, and how to pair it with local /review and human review on risky changes.
DESIGN.md turns design tokens from raw variables into role-aware instructions AI can reason about. Here is why that matters for design quality, accessibility, and agent workflows.
Y Combinator CEO Garry Tan open-sourced the skill pack behind his public shipping cadence: Markdown workflows, MIT license, team auto-update, and serious browser automation. This deep-dive summarizes github.com/garrytan/gstack without replacing upstream docs.
