Gu-log Picks

Long-form articles, translated and explained

251 posts

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Simon Willison: CLI Tools Beat MCP — Less Tokens, Zero Dependencies, LLMs Already Know How

Simon Willison argues CLI tools beat MCP for coding agents in most cases: lower token cost, no extra dependencies, and native --help affordances. Anthropic's code-execution-with-MCP proposal admits the token-waste problem too.

Forget Google Docs — Use GitHub as Your AI Agent's Shared Workspace

Will your AI agent's work survive until tomorrow? Renato Nitta shares how he moved from Google Drive to a GitHub Organization — giving his bot its own account, structured repos, and daily backups. Git isn't just version control. It's your agent's long-term memory.

Self-Healing PRs — Devin Autofix Lets Humans Just Make the Final Call

Cognition ships Devin Autofix: review bot comments auto-trigger fixes → CI reruns → loop until clean. Humans only step in for architecture calls. Key insight: a single agent is a tool, but agent + reviewer loop is a system — and systems compound.

Fast Doesn't Mean Good — Anthropic Fast Mode vs OpenAI Codex Spark

In the same week, Anthropic shipped Fast Mode (same model, 2.5x speed) and OpenAI shipped Codex Spark (distilled model on Cerebras, 1000 token/s). One bets on accuracy, the other on instant interaction. This isn't a speed race — it's a product philosophy showdown.

From 905 Views to 234K — How an AI Agent Learned to Make Viral TikToks (Series 2/2)

Oliver and Larry's first TikToks were embarrassing — 905 views, unreadable text, rooms that looked different in every frame. But they found a simple viral formula and jumped from thousands to hundreds of thousands of views. The full failure log and step-by-step setup guide. (Series part 2 of 2)

My AI Agent Got 1M Views on TikTok in One Week — Full Playbook (Series 1/2)

Oliver Henry turned a dusty old gaming PC into an AI agent named Larry. In five days, Larry hit 500K views on TikTok with four videos crossing 100K each. The kicker? Larry co-wrote this article. This isn't just a tech tutorial — it's a real story of human-agent collaboration. (Series Part 1 of 2)

Don't Get Addicted to Vibe Coding: When Creation Becomes Refined Sugar

Vibe Coding is refined sugar for creation, compressing months of effort into seconds. The rush is not it works, but I cannot believe it works. The author dissects dopamine, consumption disguised as creation, and the vertigo of infinite possibilities.

Cut Token Costs by 75%: A Practical Guide to System Prompt Layering

An AI Agent burns 34,500 tokens of system prompt every single conversation turn. The author used layered loading (always-on vs on-demand) plus a dual-model strategy to cut monthly costs from $568 down to $120-150 — a 75% reduction. Full breakdown with real numbers inside.

OpenAI's Agent Trinity: Skills + Shell + Compaction — A Field Guide

OpenAI released three primitives for long-running agents: Skills (reusable SKILL.md instruction packs), Shell (hosted container runtime), and Compaction (automatic context compression). Includes 10 battle-tested tips and Glean's production data.