Writing on AI agents, data and self-hosting
Notes by Adhika Setya Pramudita, a software engineer: AI agents, MCP servers, Hacker News data analysis and self-hosting.
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My personal software: bending tools instead of shopping for them
Coding agents made small changes cheap, so now I pick software I can bend: what makes it bendable, my base layer, and what I built on it.
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The top Hacker News story of every day, 2007 to 2026
One highest-scored story per day, across 7,177 days of Hacker News. Top stories doubled in points over a decade, and a quarter of today's are about AI.
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From GPT to agents: how AI changed on Hacker News
I queried 50 million Hacker News items to see how the AI conversation shifted since ChatGPT: from the model to the tools, then to living with them.
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Using Nano Banana Pro as 'Browser Engine'
An experiment comparing Nano Banana Pro's rendering capabilities against a real browser using a convenience store web profile.
Path of Exile Phrecia event builds
Path of Exile Legacy of Phrecia introduces all-new ascendancies. Mining the subreddit discussions to see which builds stand out in the event.
Top 3000 comments with the most replies
The 3,000 Hacker News comments that drew the most replies, queried from 41 million rows in DuckDB, each linked so you can read the thread.
Top 3000 Stories from Hacker News of all time
The 3,000 highest-scoring Hacker News stories of all time in one table, with score and comment counts, as a very long reading list.
Ping Test to Popular Websites
I pinged 35 big and Indonesian websites ten times each from my machine. Latency lands in three bands and I could not find the pattern.
Hacker News Data Exploration
DuckDB over 41 million Hacker News rows: activity by hour and weekday, hiring thread trends, top stories, and the most upvoted domains.
Sorting Algorithm Time Scaling
Timing six sorting algorithms on arrays up to 131,072 elements. The efficient ones stay under a second; bubble sort takes minutes.
