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simonwillison.net

Simon Willison's Weblog

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Latest posts

Last updated about 12 hours ago

June newsletter for sponsors has been sent

about 12 hours ago

I just sent out the second edition of my sponsors only monthly...

Using Claude Code to build a GitHub Actions workflow

about 13 hours ago

Using Claude Code to build a GitHub Actions workflow I wanted to...

microsoft/vscode-copilot-chat

about 19 hours ago

microsoft/vscode-copilot-chat As promised at Build 2025 in May, Microsoft have released the...

llvm: InstCombine: improve optimizations for ceiling division with no overflow - a PR by Alex Gaynor and Claude Code

about 24 hours ago

llvm: InstCombine: improve optimizations for ceiling division with no overflow - a...

Agentic Coding: The Future of Software Development with Agents

1 day ago

Agentic Coding: The Future of Software Development with Agents Armin Ronacher delivers...

Tip: Use keyword-only arguments in Python dataclasses

2 days ago

Tip: Use keyword-only arguments in Python dataclasses Useful tip from Christian Hammond...

How to Fix Your Context

2 days ago

How to Fix Your Context Drew Breunig has been publishing some very...

Context engineering

4 days ago

The term context engineering has recently started to gain traction as a...

Continuous AI

4 days ago

Continuous AI GitHub Next have coined the term "Continuous AI" to describe...

Project Vend: Can Claude run a small shop? (And why does that matter?)

4 days ago

Project Vend: Can Claude run a small shop? (And why does that...

Introducing Gemma 3n: The developer guide

5 days ago

Introducing Gemma 3n: The developer guide Extremely consequential new open weights model...

Geminiception

5 days ago

Yesterday Anthropic got a bunch of buzz out of their new window.claude.complete()...