Ask a bare LLM to multiply two big numbers and it'll confidently get it wrong. But ask an LLM on the web and it gets it right. What's the difference? In my latest post, I dig further into the harness, what it can do and why it matters: open.substack.com/pub/tidydesi...
Who's Who of AI
Hadley Wickham
R, data, 🐕, 🍸, 🌈. He/him.
What they're sharing
Your LLM can’t math (and that’s ok) tidydesign.substack.com
Your LLM can’t math (and that’s ok) tidydesign.substack.com
Introducing debrief: profiling summaries for AI agents opensource.posit.co
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Help! My coding agent can run code tidydesign.substack.com
mcptools 1.0.0 opensource.posit.co
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Positron AI Workshop academy.posit.co
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Articles & links
Ask a bare LLM to multiply two big numbers and it'll confidently get it wrong. But ask an LLM on the web and it gets it right. What's the difference? In my latest post, I dig further into the harness, what it can do and why it matters: open.substack.com/pub/tidydesi...
Hadley Wickham reposted
Happy to finally announce the CRAN release of {debrief}, a new package to let AI agents better interface with the output of the {profvis} package Making it so you can work with you AI agent more efficiently to profile and write faster R code! opensource.posit.co/blog/2026-06..…
A coding agent is only useful if it can run whatever code the task demands, but a tool that runs arbitrary code is just as dangerous as it sounds! So how do you stop an agent from making mistakes you can't easily undo? Read more at: tidydesign.substack.com/p/help-my-co...
Hadley Wickham reposted
mcptools 1.0.0, an R SDK for the Model Context Protocol, is now on #rstats CRAN! This release introduces complete auth support for remote MCP servers, deployment on Posit Connect, and images in tool results. opensource.posit.co/blog/2026-07...
Hadley Wickham reposted
If you want to learn more Positron, we have some free live training session coming up, including one tomorrow June 4th. In about 90 minutes you'll get to try out the AI features that make data science faster. Register on the new Posit Academy site: academy.posit.co/positron-ai…
Their own posts
Recent commentary
I've been thinking that not only did I learn to code before AI, I learned to code before StackOverflow, and even before the internet. Does anyone else remember implementing computer games by typing code out of an Usborne book?
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In Hadley Wickham's orbit
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