Stories by simonw

Nothing to see here (it was Cloudflare crawler hints)

Vibe code is legacy code

The best available open weight LLMs now come from China

My 2.5 year old laptop can write Space Invaders in JavaScript now (GLM-4.5 Air)

Using GitHub Spark to Reverse Engineer GitHub Spark

Vibe scraping and vibe coding a schedule webapp for a conference on my phone

Grok: Searching X for "From:Elonmusk (Israel or Palestine or Hamas or Gaza)"

AI agent lethal trifecta: private data, untrusted content, exfiltration vectors

Design Patterns for Securing LLM Agents Against Prompt Injections

The last six months in LLMs, illustrated by pelicans on bicycles

Show HN: My LLM CLI tool can run tools now, from Python code or plugins

Watching o3 guess a photo's location is surreal, dystopian and entertaining

AI assisted search-based research works now

Image segmentation using Gemini 2.5

CaMeL offers a promising new direction for mitigating prompt injection attacks

Model Context Protocol has prompt injection security problems

Long context support in LLM 0.24 using fragments and template plugins

Here's how I use LLMs to help me write code

Structured data extraction from unstructured content using LLM schemas

Claude 3.7 Sonnet, extended thinking and long output

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