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MPN
Personal blog · mathpn.comdataprogramming
MPN is a personal blog at mathpn.com about data and programming. Since 2025, 3 different Hacker News readers have linked it 5 times. It is still writing: the last post was on 2025-07-21, and you can follow it by feed.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
HN readers link these posts on LLM tooling, including the llm-docsmith plugin that uses libcst to edit only docstrings, and on decision tree visualization. Comments cite them as sources or ask about the topic.
Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Blog about technology, statistics, and other fun stuff.
What Hacker News says?
Matheus Pedroni released a really clever plugin for doing that with LLM the other day: https://mathpn.com/posts/llm-docsmith/ You run it like this: llm install llm-docsmith llm docsmith ./scripts/main.py And it uses a Python concrete syntax tree (with https://pypi.org/project/libcst/ ) to apply changes to just the docstrings without risk of editing any other code.
Comment linking /posts/llm-docsmith/
on “Smartfunc: Turn Docstrings into LLM-Functions”Submitted Climbing trees 1: what are decision trees? as a story · 45 points
HN discussionIs there a tool to better to visualize them than like this https://mathpn.com/_astro/weather_tree.GMStLECX_ZgpDEk.svg for humans? I have tried graphviz or doing it in tex to ugly outputs
Comment linking /_astro/weather_tree.GMStLECX_ZgpDEk.svg
on “Climbing trees 1: what are decision trees?”Submitted Climbing trees 3: from trees to forests as a story · 3 points
HN discussionSubmitted Climbing trees 2: implementing decision trees as a story · 3 points
HN discussion
