HeyJaredThe Underdoc
Practical insights on the modern AI stack. Building data pipelines for RAGs and Agents using football analytics as the sandbox.
- Indexed issues, last 90 days
- 5
- Latest publication
- Sep 23, 2026
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- Jul 12, 2026
Latest issues
What a Well-Designed Networking Event Actually Looks Like (opens the original)
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Networking is probably one of the most hated words on the internet.You say the word and you probably think of meaningless DMs, adding people to your list of contacts just because, dull coffee chats.Like Naval Ravikant says:<img alt="" class="sizing-norm
The Value of Long Form Writing (opens the original)
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<img alt="" class="sizing-normal" height="590.2222222222222" src="https://substackcdn.com/image/fetch/$s_!LRPz!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3105c48e-9841-481f-bc90-3e37cafb773
A Greek God and Two Cetaceans to Build With AI (opens the original)
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<img alt="" class="sizing-normal" height="768" src="https://substackcdn.com/image/fetch/$s_!V7dj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe85fc7c0-f8d5-4b94-af30-af573654c06a_1408x768.web
A Claude Skill to Build Your Own Football Analytics Post Match Reports Automatically (opens the original)
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A year ago, I built this football-analytics-tutorial repo for anyone wanting to practice their Python coding skills with football. In that article I explained what a post match dashboard was and the plots I decided to include.Although it worked as a standalone notebook and was well received, I wanted to give it some love. I wanted to improve it as a Python package and create a Skill that anyone can reuse to plug it into their preferred agent in order to automate the generation of single post mat
I Automated My Personal Finance Tracking With a Claude Skill and Two MCP Servers (opens the original)
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For the past few years, my personal “finance system” was just noting down expenses in Notes app.At the end of the month I'd copy everything into a “cleaner format”, add up the totals, and try to understand where my money actually went. More recently I moved the capture part to Notion, which made the notes prettier but didn't remove the manual copying making it boring still.For me, knowing my balance at the end of the month matters because I can tell how much I spent, saved, and invested, and tha
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