31 AI Coding Agent Terms You Should Know, Sorted Into Five Pillars
I classified every term I kept encountering while using Claude Code and Codex daily. Five groups emerged, and they map the entire system these tools run on.
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Simple thoughts on building, designing, and shipping
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Claude Code 29 Tools vs Codex 7 Tools: The Design Philosophies Are Polar Opposites
I dug into SDK type definitions and system prompts for both tools. The 29 vs 7 gap isn't about feature count. It's about two fundamentally different answers to the same question: how should an AI coding agent interact with your system?
570,000 Lines of LLM Code Compiled Fine. It Was 20,171x Slower Than SQLite.
Someone benchmarked an LLM-written Rust reimplementation of SQLite. The gap between code that looks right and code that is right turned out to be five orders of magnitude.
AI 에이전트에게 작업을 시킨 다음 인간이 해야 할 일은 시각화입니다
Blog version of a 2026-03-12 LinkedIn note — same claims, cleaned structure for reading.
Solo Founder, Zero Employees, $2M ARR: The Agent Stack Making It Real
Four projects shipped in the last two months show what happens when AI agents handle not just coding but earning, orchestrating, and running entire companies.
Create Three Spec Files Before Giving Work to Claude Code or Codex
After a year of agent-assisted development, I found that structured spec files fixed the inconsistency problem better than any prompt technique.
How Codex Solves the Compaction Problem Differently
I reverse-engineered how Codex handles context overflow compared to Claude Code. The answer involves AES encryption, session handover patterns, and KV cache tricks.
Shopify's CEO Built a Search Engine That Revives 700 Claude Code Sessions in One Second
Shopify CEO Tobias built QMD, an open-source search engine. Connect it to Claude Code and every session gets persistent memory.
4 Tool Design Principles Claude Code Learned After 3 Rebuilds
Anthropic's Claude Code team rebuilt their tools three times. Fewer tools made the AI perform better. Here are four hard-won design principles.
Claude Code Sub-Agents Save 25x Tokens in Your Main Session
Your AI isn't getting dumber. Your main session is overloaded. Sub-agents keep it lean and accurate for over an hour.
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