Your job is to deliver code you have proven to work

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Simon Willison
simonwillison.net Saved Thursday, December 18, 2025 Readwise
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Quick Take

This directly addresses a problem Brian likely sees daily - both in his fintech work reviewing PRs and in his side projects using AI tools. Simon's practical framework for "proving code works" (manual + automated testing) gives Brian a concrete angle to write about his own AI-assisted development workflow, especially with tools like Claude Code that he's probably already using.

Relevant Domains

AI/agents/future of software work Engineering craft/architecture/productivity Side projects/automation/earning from skills (secondary)

Blog Angles

1

"How I Actually Use Claude Code to Ship Side Projects Faster"

Thesis

Your Hook

2

"The Two-Minute Test Rule for AI-Generated Code"

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Your Hook

3

"Why I Make AI Write Tests Before Implementation"

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4

"Building Side Projects in Public: My AI-Assisted Development Stack"

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Key Quotes

Your job is to deliver code you have proven to work
Almost anyone can prompt an LLM to generate a thousand-line patch and submit it for code review. That's no longer valuable.
The most important trend in LLMs in 2025 has been the explosive growth of coding agents
Make your coding agent prove it first

Tags

#ai-agents #coding-workflow #engineering-craft #side-projects #testing #productivity #fintech-dev