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Datasette
- Half Moon Bay, California
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15:02
(UTC -07:00) - https://simonwillison.net/
- @simonw
- @simon@fedi.simonwillison.net
- @simonwillison.net
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Highlights
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Starred repositories
A fully procedural first-person jungle in Three.js. Zero external art assets - every texture, mesh and sound generated in code.
Secure Node.js Execution Without a Sandbox A lightweight library for secure Node.js execution. No containers, no VMs — just npm-compatible sandboxing out of the box.
Find the test that's leaking before the one that fails
Rhai - An embedded scripting language for Rust.
A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.
ExploitGym is a large-scale, realistic benchmark built from real-world vulnerabilities designed to evaluate AI agents' ability to develop exploits.
Local AI, native to your Mac. Chat, serve, monitor, and connect MLX models from one macOS app.
ggml speech-to-text inference for 16+ model families
Give agents an operating system as a library. Runs in your existing backend – no sandboxes, VMs, or SaaS. Powered by WebAssembly & V8 isolates.
WebKit compiled to WebAssembly: a full browser engine running inside a browser tab, rendering to canvas, networking over Wisp.
Real Goroutines for Python 3.13t+ free-threaded.
SpaceXAI's coding agent harness and TUI. Fullscreen, mouse interactive, extensible.
A data-structure parameterization system written for embedding context in JSON objects
an implementation of the ideas in Erik Meijer's "Guardians of the Agents: Formal Verification of AI Workflows" (Communications of the ACM, January 2026)
Cross-platform WebDriver server for Tauri applications (Linux, macOS, Windows)
Turn a terminal session into a good-looking animated GIF. A vhs wrapper with an attractive default look.
Python library for running a MicroPython sandbox using WebAssembly
Finds potential accessibility gaps, files GitHub issues to track them, and attempts to fix them with Copilot.
Observable Plot charts for Datasette Agent