Their previous one ran JavaScript code in your browser – this is an upgrade to that which runs Python and Node.js code on the server instead. Here are my notes on the old one:
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Tool Evolution: From Client-Side to Server-Side Code Execution
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Yeah, their previous version of this ran JavaScript directly in the user's browser – but this server-side execution is a new direction. Here are my notes on the older tool:
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GitHub Accessibility: Details on AI Integration Scope
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Good question, @JeremyDanielFox @alexalbert__ any details on how much of GitHub is accessible?
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Claude Code Interpreter Successfully Recreates Charts from Screenshots
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I re-ran the chart recreation from a screenshot and XLSX file experiment in the brand new Claude Code Interpreter feature (against Claude Sonnet 4) and got satisfactory results from that as well https://
simonwillison.net/2025/Sep/9/cla
ude-code-interpreter/#something-much-harder-recreating-the-ai-adoption-chart
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PyPI NPM GitHub Access Restrictions Policy Implementation
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A little bit – they've allowlisted PyPI and NPM and GitHub but blocked access to almost everything else
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Claude generates Python chart code from uploaded XLSX file
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It's very good! It took a little bit of prompting but I managed to get it to recreate the chart on the left using Python and matplotlib against an XLSX file that I uploaded to Claude
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Detailed AI Tool Review: SQLite Analysis and Data Visualization
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Here's my detailed review – I put it through its paces, reverse engineered it a bit, then used it for some simple SQLite analysis followed by the same difficult US Census data chart recreation task that I posed to ChatGPT last night
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Claude Gets Code Interpreter: Sandboxed Python Node.js Execution
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Anthropic are massively burying the lede here – they've called this "Upgraded file creation and analysis" (that really does seem to be the official name) but it's actually….
— Simon Willison (@simonw) 9 septembre 2025
Claude Code Interpreter!
It's sandboxed server-side Python/Node.js code execution for Claude https://t.co/yqsxWvRbY8Anthropic are massively burying the lede here – they've called this "Upgraded file creation and analysis" (that really does seem to be the official name) but it's actually…. Claude Code Interpreter! It's sandboxed server-side Python/Node.js code execution for Claude
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100+ Free Step-by-Step AI Agents and RAG Tutorials
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100+ free step-by-step tutorials with code covering: AI Agents RAG Systems Voice AI Agents MCP AI Agents Multi-agent Teams Autonomous Game Playing Agents P.S: Don't forget to subscribe for FREE to access future tutorials.
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Computer Science as Experimental Mathematics Foundation
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Computer science is experimental mathematics.