I just completed some serious upgrades to a long running project I have had for notebooks. Its a coding assistant that reads all the cells in the notebook to build a LLM context, and answers questions by inserting cells. This has a few nice features: you can correct its code and get immediate feedba…

Roboco-op improves within a session, once it has enough context to learn your programming style and Observable idioms. There is an annoying cold start problem though, on a fresh notebook when it doesn’t have enough context to program well. So to address this and more, I added a RAG extension. I bui…

The next version of Robocoop is here Roboco-op 2.0: Notebook collaborator Usage Import cell `robocoop`:- place the cell in your notebook:- See @tomlarkworthy/robocoop-2-example for an example Introduction Roboco-op blends Observablehq.com's reactive notebooks with an open source usersp…

Just got websearch tool as well, so now it can do some research before answering. Good for helping it know how to use APIs

A few extra context controls have shipped for robocoop-2 . You can include a screenshot of the notebook for visual tasks, and select additional modules to include. This is quite useful for applying a pattern from one notebook to another, or giving the context to understand how to use an imported note…

Turns out the additional modules + GPT 5.2 combo is crazy powerful. You can 1 shot whole notebooks now [Whole Observablehq Notebook Generation with Robocoop 2] I made this one like that. I pull in arc-diagram example and then remix it in my own domain.

How does it compare to the AI that is built into Observable Desktop, or using something like Claude Code to generate notebook files with the new Observable Notebook Kit file format?

1. A difference is Claude Code and Observable Desktop do not have access to the runtime variables Given const myrandom = Math.random() User: What is the value of Random? Observable Desktop: Looking at the selected cell (id=11), I can see that myrandom displays the value that was generated by M…

have you seen solve it ( https://solve.it.com/ )? jeremy howard from fast.ai who was also pushing nbdev ( https://nbdev.fast.ai/ ) before for iterative development is behind it. i think they have correctly identified that interleaving feedback from running the code with writing the code is very powerf…

[image] tomlarkworthy: I think there is alpha in having the LLM read runtime variables directly from the runtime Agreed, and we’ve been planning on doing this for a while! I’ll keep you posted if we make progress.

Roboco-op notebook coding assistent

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tomlarkworthy January 11, 2026, 8:37pm 6

Turns out the additional modules + GPT 5.2 combo is crazy powerful. You can 1 shot whole notebooks now

I made this one like that. I pull in arc-diagram example and then remix it in my own domain.

Bank accounts balance visualisation

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Roboco-op notebook coding assistent

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