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Altered Craft

Sam Keen

Software craftsmanship in the age of AI

Platform
Substack
PricingOnly free issuesPublishesTwice weekly
Issues109Foundeda year agoLast Issue9 days ago
Active

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Latest Issues

Weekly Review: The Outer Loop

Altered Craft

Welcome back to Altered Craft’s weekly AI review for developers, and thank you for starting your week with us. Last week we followed the money; this week we follow the loop. Agents are reaching deeper into their own cycle...

9 days ago

The Fallacies of AI-Assisted Programming

In April 2026, an autonomous coding agent hit a credential mismatch, decided that deleting the database would clear it, and wiped production in nine seconds. The backups went with it. They lived in the same volume the agent deleted. The rec...

14 days ago
5

Weekly Review: The Cost of Capable

Welcome to Altered Craft’s weekly AI review for developers, and thanks for spending part of your Monday here. Last week we marked the capability threshold; this week the questions turn economic. Simon Willison calls April 2026 the moment...

16 days ago
1

Weekly Review: Past the Threshold

Welcome to Altered Craft’s weekly AI review for developers. Grateful you keep showing up. Simon Willison’s six-month recap names November 2025 as when coding agents crossed from often-work to mostly-work, and that shift is the spine of th...

23 days ago
1

The Anchored Interview Pattern

Half the information an agent needs to do good work isn’t in the corpus. It’s in your head: intent, preferences, constraints you haven’t written down.

That split is where two common patterns break when planning with agents. Read-only appro...

a month ago
1

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  • Sam Keen

    25+ years building software at AWS, Nike, and startups. Author of Clean Architecture with Python. Now writing full-time about how AI reshapes engineering. Hype not included

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