#Simon Willison
148 related articles
Building a Coding Agent with LLM: A De…
·3 min
Building a Coding Agent with LLM: A Deep Dive into Simon Willison's llm-coding-agent Experiment
Simon Willison built llm-coding-agent — an open-source Claude Code-style agent — using just two prompts and TDD. Explore its tool design, bootstrapped dev process, and real-world test results.
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·2 min
Simon Willison Updates WebRTC Voice Tool: Now Supports Document Context Conversations and GPT-Realtime-2
Simon Willison updates his OpenAI WebRTC voice tool with document context support and GPT-Realtime-2, enabling low-latency voice conversations grounded in specific documents.
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Product Reviews·2 min
Big Words: Simon Willison's URL-Driven Slide Text Tool
Big Words is a minimalist web tool by Simon Willison that generates full-screen text slides via URL query parameters, with zero dependencies and stateless design.
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Tutorials·2 min
Simon Willison Builds Wildlife Sighting Feature for His Blog Using Claude Code on His Phone
Django co-creator Simon Willison used Claude Code on his phone to build an iNaturalist wildlife sighting sync feature for his blog, showcasing AI-assisted mobile development.
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Tutorials·2 min
Simon Willison's Full Process of Building an iNaturalist Observation Tool with Phone + Claude Code
Simon Willison built a complete iNaturalist observation aggregation tool using only his phone and Claude Code while camping. A detailed look at the Python CLI, Git Scraping, and static frontend architecture.
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Tutorials·2 min
Simon Willison's Full Process of Fixing a Datasette Map Bug with GPT-5.5 + Codex
Datasette creator Simon Willison debugged an OpenStreetMap display issue, uncovering CAPTCHA and Referrer-Policy conflicts, then built a plugin fix using GPT-5.5 and Codex.
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Tech Frontiers·3 min
Simon Willison Builds a QR Code Generator with Claude: A Vibe-Coding Case Study
Simon Willison built a QR code generator with Claude AI, supporting URL text and WiFi QR code generation with style customization. A detailed look at this vibe-coding project's design and AI-assisted development insights.
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Tech Frontiers·2 min
Datasette Launches Official Blog: Simon Willison Built It from Scratch with OpenAI Codex
Datasette founder Simon Willison launches official blog built with OpenAI Codex Desktop, sharing full AI session transcripts and demonstrating transparent AI-assisted development practices.
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Expert Opinions·3 min
The Blurring Line Between Vibe Coding and Agentic Engineering: Simon Willison's Deep Reflection
Django co-creator Simon Willison finds Vibe Coding and Agentic Engineering converging in practice. As AI tools grow reliable, where should engineers draw the line on trust and responsibility?
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Tutorials·2 min
Simon Willison Built a Wildlife Sightings Feature for His Blog Using Claude Code on His Phone
Simon Willison used Claude Code for web on his phone to aggregate a decade of iNaturalist wildlife data into his blog. A look at the architecture, Beats system, and how AI is reshaping dev workflows.
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Product Reviews·3 min
Simon Willison's Complete Process of Building an iNaturalist Observation Gallery with Phone + Claude Code
Simon Willison built an iNaturalist observation gallery using only his phone and Claude Code while camping. A breakdown of the three-layer architecture: Python CLI clustering, Git Scraping automation, and AI-generated frontend.
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Tech Frontiers·1 min
LLM Tool Releases 0.32a0 Preview: Simon Willison's Command-Line AI Assistant Update
Simon Willison releases LLM 0.32a0 alpha preview, updating his popular open-source command-line tool for interacting with large language models from the terminal.
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Tutorials·2 min
Simon Willison's Full Journey: Building a Wildlife Sightings Feature for His Blog Using Claude Code on His Phone
Simon Willison used Claude Code for web on his phone to add iNaturalist wildlife sightings to his blog, going from prototype to production in one day.
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Product Reviews·2 min
Simon Willison Built an iNaturalist Observation Display Tool Using Only a Phone + Claude Code
Simon Willison built an iNaturalist observation display toolchain using only his phone and Claude Code while camping—featuring Python CLI, Git Scraping, and a pure frontend architecture with zero server maintenance.
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Product Reviews·2 min
Simon Willison Used Claude Code on His Phone to Add Wildlife Sightings to His Blog
Simon Willison used Claude Code's web version on his phone to integrate a decade of iNaturalist wildlife observations into his blog, showcasing AI-assisted mobile development.
Read more →
Product Reviews·2 min
Full Record: Simon Willison Develops Blog Wildlife Sighting Feature Using Claude Code on His Phone
Simon Willison used Claude Code on his phone to build an iNaturalist wildlife sighting sync feature for his blog, backfilling a decade of data. A deep dive into the technical details and AI-assisted mobile development.
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Product Reviews·3 min
Simon Willison Builds an iNaturalist Observation Tracker with His Phone + Claude Code
Simon Willison built an iNaturalist observation visualization tool while camping using his phone and Claude Code, featuring a Python CLI, Git Scraping, and pure frontend three-layer architecture.
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Product Reviews·2 min
Simon Willison Uses Claude Code on His Phone to Add Wildlife Sighting Features to His Blog
Django co-creator Simon Willison uses Claude Code's web version on his phone to sync a decade of iNaturalist wildlife photography to his blog, showcasing pragmatic AI-assisted programming.
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Tutorials·3 min
Simon Willison Uses Claude Code on His Phone to Build a Wildlife Sightings Feature for His Blog
Simon Willison used Claude Code's web version on his phone to add iNaturalist wildlife sighting sync to his blog, backfilling a decade of data. An analysis of the tech, POSSE philosophy, and AI-assisted coding.
Read more →
Tutorials·3 min
Simon Willison Uses Phone + Claude Code to Add Wildlife Observation Feature to His Blog
Simon Willison used Claude Code's web version on his phone to add iNaturalist wildlife observation records to his blog. Analysis of the technical implementation, Beats content aggregation system, and how AI-assisted coding breaks mobile development barriers.
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