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Tools2026-06-08 · source-backed
Willison shipped datasette-agent-edit 0.1a0 on June 7, letting agents perform structured data edits inside Datasette, alongside micropython-wasm sandbox work for running untrusted agent code. Separately his evolving Agentic Engineering Patterns guide reframes the work around two principles: code is cheap now, so keep the domain expertise and aim agents at routine implementation. Sandbox plus edit primitives is exactly the plumbing practitioners need to let agents touch data without burning the house down.
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Willison's June 13 post walks through publishing WebAssembly wheels to PyPI so Python packages run client-side under Pyodide, alongside Datasette 1.0a33 adding JSON "extras" to the API (Simon Willison). He built a throwaway extras-API explorer with Claude Fable 5 to understand...
Willison launched datasette-apps (0.1a2) on June 18, hosting self-contained HTML+JS apps in a sandboxed iframe that run SQL against your data, read-only by default. He frames it as "Claude Artifacts reimagined for Datasette," artifacts backed by a JSON API to a relational data...
On June 22 Willison documented porting the 0.2B Moebius inpainting model to run fully client-side via WebGPU, using Claude Code to do the conversion, with a live demo. (simonwillison.net) A concrete data point on how far "small model plus coding agent plus WebGPU" has come for...
Simon Willison launched a multi-chapter guide collecting practical patterns for working with coding agents. Chapters include "Writing code is cheap now," "First run the tests," "Red/green TDD," "Hoard things you know how to do," and the new "Interactive Explanations" chapter f...
Simon Willison spent a while taking ChatGPT Work apart and published the map on August 30. Work splits into Work Cloud and Work Local, the latter being the renamed Codex desktop app, at $20/month and up since July 9. He enumerates six capabilities Work has that Chat doesn't, a...
Third chapter of Willison's evolving Agentic Engineering Patterns guide (endorsed by Martin Fowler). Core technique: maintain a personal solutions library and feed proven examples to agents for recombination. This joins Red/Green TDD and "Writing code is cheap now" as the thre...
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