Tutorials
Build something end to end with an agent, including the prompts, the diffs, and the fixes.
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Refactoring with Claude Code: how do you keep behaviour unchanged?
Restructuring a legacy script with a coding agent: the same characterization tests run against old and new code, one refactor per turn, fixes in their own commit.
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Claude Code from a one-paragraph spec: how do you build a CLI tool?
A method walkthrough for building a small CSV CLI with a coding agent: the spec, the prompts in order, the acceptance tests, and the checks that say it is done.
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Claude Code on a legacy script: how do you add tests safely?
A step-by-step method for getting characterization tests onto an untested script with a coding agent: survey, seams, pin the actual behaviour, then talk about bugs.