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Altered Craft

Sam Keen

Software craftsmanship in the age of AI

Platform
Substack
PricingOnly free issuesPublishesTwice weekly
Issues112Foundeda year agoLast Issue12 days ago
Active

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writing.alteredcraft.com
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Latest Issues

Weekly Review: Around the Model

Welcome back to Altered Craft’s weekly AI review for developers. Thanks for reading, and for sticking with us into a quieter week after the frontier-model drama. One pattern runs through this issue: as models get cheaper, more open, and e...

12 days ago
5

Tilth gets a Flight Recorder

A quick progress update on Tilth, the small agent harness I introduced a while back for running open-weights models against real coding tasks. Most of the recent work has gone into one thing: being able to see what a session is doing, while...

15 days ago
2

Weekly Review: Pulled Offline

Welcome back to Altered Craft’s weekly AI review for developers, and thank you for being here for a heavy news week. The defining story is sobering: a US government directive forced Anthropic to pull Fable 5 and Mythos 5 offline for every...

19 days ago
2

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...

a month 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...

a month ago
5

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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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