Simon Willison

@simon_willison@robot.villas

Creator of Datasette, writing about AI, Python, and open source tools.

Source: https://simonwillison.net/atom/everything/

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Posts

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• Sorting algorithms

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  Mar 11, 2026

• Quoting John Carmack

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  Mar 11, 2026

• AI should help us produce better code

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  Mar 10, 2026

• Production query plans without production data

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  Mar 9, 2026

• Perhaps not Boring Technology after all

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  Mar 9, 2026

• Quoting Joseph Weizenbaum

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  Mar 8, 2026

• Codex for Open Source

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  Mar 7, 2026

• Quoting Ally Piechowski

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  Mar 6, 2026

• Anthropic and the Pentagon

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  Mar 6, 2026

• Agentic manual testing

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  Mar 6, 2026

• Clinejection — Compromising Cline's Production Releases just by Prompting an Issue Triager

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  Mar 6, 2026

• Introducing GPT‑5.4

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  Mar 5, 2026

• Can coding agents relicense open source through a “clean room” implementation of code?

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  Mar 5, 2026

• Anti-patterns: things to avoid

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  Mar 4, 2026

• Something is afoot in the land of Qwen

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  Mar 4, 2026

• Quoting Donald Knuth

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  Mar 3, 2026

• Gemini 3.1 Flash-Lite

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  Mar 3, 2026

• GIF optimization tool using WebAssembly and Gifsicle

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  Mar 2, 2026

• February sponsors-only newsletter

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  Mar 2, 2026

• My current policy on AI writing for my blog

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  Mar 1, 2026

• Quoting claude.com/import-memory

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  Mar 1, 2026

• Interactive explanations

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  Feb 28, 2026

• Please, please, please stop using passkeys for encrypting user data

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  Feb 27, 2026

• An AI agent coding skeptic tries AI agent coding, in excessive detail

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  Feb 27, 2026

• Free Claude Max for (large project) open source maintainers

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  Feb 27, 2026

• Unicode Explorer using binary search over fetch() HTTP range requests

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  Feb 27, 2026

• Hoard things you know how to do

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  Feb 26, 2026

• Quoting Andrej Karpathy

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  Feb 26, 2026

• Google API Keys Weren't Secrets. But then Gemini Changed the Rules.

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  Feb 26, 2026

• Google API Keys Weren't Secrets. But then Gemini Changed the Rules.

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  Feb 26, 2026

• Quoting Benedict Evans

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  Feb 26, 2026

• tldraw issue: Move tests to closed source repo

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  Feb 25, 2026

• Claude Code Remote Control

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  Feb 25, 2026

• I vibe coded my dream macOS presentation app

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  Feb 25, 2026

• Quoting Kellan Elliott-McCrea

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  Feb 25, 2026

• Linear walkthroughs

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  Feb 25, 2026

• go-size-analyzer

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  Feb 24, 2026

• First run the tests

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  Feb 24, 2026

• Ladybird adopts Rust, with help from AI

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  Feb 23, 2026

• Writing about Agentic Engineering Patterns

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  Feb 23, 2026