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Card 015 of 9832026-09-12 issue

Observed arrival · 2026-09-12

Agent Engineering Handbook

agent-engineering-handbook.dev Observed source
Editorial interest 86/100 Selection signal · not a rating of the site

An evidence-backed handbook for making codebases easier for coding agents to inspect, operate, test, and improve.

Landing page captured for the 2026-09-12 issue.

Field notes

The homepage organizes its material as a problem-to-practice index rather than a conventional chronological blog. Examples include a runnable lint example for recurring failures, two-actor end-to-end tests for distributed features, preview workspaces, and a loop in which agents trigger CI and inspect failed logs. The site also separates video-derived ideas from guides, skills, investigations, and frames, while linking attribution, contributing information, and a GitHub repository.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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agent-engineering-handbook.dev

Landing page observed 2026-09-12. The live site may have changed.