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Webassembly

3 posts tagged Webassembly.

AI-Assisted Engineering4 min read

Puter Compiled Firefox to WebAssembly — Built on a $25K Claude Tab, Paid Flat

Puter ported Gecko itself to WebAssembly so a full Firefox runs inside a browser tab — and the build is a real-world data point on what heavy agentic coding costs when it's metered versus flat-rate.

  • vibecoding
  • webassembly
  • claude-code
  • browser-engineering
  • ai-coding-costs
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Vibecoding & Dev Tooling4 min read

One Prompt, One Rust File, One WASM Tool: The New Shape of Vibecoding

Simon Willison turned a Rust renderer buried in xAI's newly open-sourced Grok CLI into a browser tool with a single Claude Code prompt — a clean case study in what agentic coding now makes trivial.

  • vibecoding
  • ai-coding-agents
  • webassembly
  • claude-code
  • grok-cli
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Vibecoding & Dev Tooling3 min read

Browser-Native Python Data Persistence: What the OPFS + Pyodide Harness Proves

Simon Willison used Claude Code to build a cross-browser test harness exploring whether Datasette Lite can read and write persistent SQLite files via the browser's Origin Private File System — a small experiment with large implications for client-side data tooling.

  • pyodide
  • webassembly
  • opfs
  • sqlite
  • vibecoding
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