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AI · Tutorials · 12 min read

Review, tests, and not trusting green checkmarks

After Codex edits, do not ship on green checkmarks alone. Read the diff, run tests, hunt secrets, check scope, and keep a human on the commit. Diff smells and undo patterns included.

AI, Tutorials
August 18, 2026
Cowork vs chat vs Claude Code
Chat, Claude Code, and Claude Cowork share a model family but not a job. Part 1 of the Claude Cowork tutorial separates…
Analytics, Tutorials
August 18, 2026
Validation checks you can automate
Automated checks catch bad data before leadership does. Build small scripts for row counts, referential integrity, freshness, and yesterday versus last week…
AI, Tutorials
August 17, 2026
Skills, tasks, and scheduled help (as product offers)
Skills, tasks, and scheduled help in ChatGPT Codex are power-ups, not day-one defaults. Climb a complexity ladder, hedge product renames, and never…
AI, Tutorials
August 17, 2026
Team habits and safety rails
Part 10 closes the Claude Code tutorial with team rails: shared CLAUDE.md and skills, required PRs and green CI, secrets policy, no…