Parselbox, an embeddable Python sandbox for AI agents, launched on Hacker News, enabling agents to call MCP servers, APIs, and shells as native Python objects in a single Deno and Pyodide process (~16…
AI.DIY, an open-source AI workspace from Cubinghackerz, lets users run an AI chat and agent environment entirely in the browser with local-first storage, bring-your-own-key provider support, and an in…
A developer built Forge Code, a free browser-based coding challenge game, using Claude Code to help bridge the coding education gap in their community. The game offers two tracks: an Academy for begin…
Manim WebGPU, a browser-based version of the math animation tool, now runs entirely in the browser with GPU-accelerated rendering via WebGPU, WebAssembly, and Pyodide. The tool features a built-in AI …
A team has reimplemented 3Blue1Brown's Manim animation engine in Rust with wgpu for GPU-accelerated rendering, enabling it to run in the browser via WebAssembly and WebGPU. The browser-based version f…
Simon Willison released an interactive SQLite Query Explainer tool that runs SQLite in Python via Pyodide in the browser, adding explanatory layers to EXPLAIN and EXPLAIN QUERY PLAN outputs. The tool …
ONNX v1.22.0, published June 30, introduces Opset 27 with LinearAttention and CausalConvWithState operators that enable modern hybrid LLMs to export cleanly to ONNX for the first time, alongside WebAs…
A developer built rejectdecoder.com, a free tool that parses EDI rejection messages (997, 999, 824, TA1) locally in the browser and cross-audits them against the original document. The tool uses deter…
A developer built aiomniu, a freelance marketplace for AI and tech projects, using Cloudflare Workers with Pyodide for Python backend support. The stack includes FastAPI, Next.js 15, and Cloudflare D1…
A developer released 10 single-file game apps using a 61-atom hash-table lattice that replaces traditional game logic with O(1) lookups, achieving sub-microsecond response times and zero dependencies.…
Simon Willison built a test harness combining OPFS and Pyodide to explore whether Datasette Lite can edit persistent SQLite files stored in the browser's Origin Private File System. The tool allows te…
Independent AI researcher YoungSeong Kim published 'Window is Everything' (2025), a unified theory of neural operations that decomposes any operation into Path, Shape, and Weight components. The paper…
Meta released Pyrefly 1.0, a fast Python linter and type checker for PyTorch and Django projects. Python 3.15 introduces a sampling profiler for efficient code instrumentation. A new malware called Ha…
Vessel is a new portable app file format that bundles UI, FastAPI backend, and SQLite data into a single .vessel file, enabling AI-generated tools to run locally with no deployment. The open-source ru…
A 19-year-old developer from Bangladesh built and shipped Codino, a Python learning app with an offline IDE, AI tutor, Jupyter-style notebook, gamification, and data science library support, on the Go…
Luau-wasm 0.1a0 was released on June 13, 2026, enabling WASM wheels for Pyodide. The release follows a guide on publishing WASM wheels to PyPI.…
Simon Willison successfully ran Python ASGI applications in a web browser using Pyodide and Service Workers, overcoming a four-year limitation in his Datasette Lite project where JavaScript in `<scrip…