1
Cybersecurity looks like proof of work now
AISI’s tests of Mythos suggest a new security economy: to harden a system you must spend more tokens finding exploits than attackers do.
Drew Breunig
Writing about AI, geo, culture, media, data, and the ways they interact.
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Visit dbreunig.com → RSS feedOn Hacker News May 2025 – Oct 2026
AI & Machine Learning 8Tech Industry & Business 3Web & Frontend 1Security & Privacy 1Software Engineering 1Open Source 1
2
DuckDB is probably the most important geospatial software of the last decade
DuckDB’s spatial extension cut geo setup to two lines of SQL, and interest in geospatial data turned upward the moment it shipped.
3
Why is Claude an Electron app?
If coding agents make native ports cheap, why does Anthropic still ship Claude as an Electron app? Because code is cheap but maintenance isn’t.
4
The State of Context Engineering
As models improve, they bring surprising challenges for those building apps and harnesses. How context engineering has changed this year, and where it’s headed.
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Lessons for Agentic Coding: What should we do when code is cheap?
Ten lessons for coding with agents, from implementing to learn to remembering that code is cheap but maintenance and security aren’t.
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Fable and the end of the free lunch
Fable’s price ended the free lunch of ever-cheaper frontier models. Now we have to think about which model gets which work.
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The Cathedral, the Bazaar, and the Winchester Mystery House
The internet made coordination cheap and gave us the Bazaar. Coding agents make code cheap and are giving us sprawling, idiosyncratic software.
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Does the Bitter Lesson Have Limits?
The bitter lesson says general methods and compute win. But compute is a constraint, and human-crafted logic often ships cheaper and sooner.
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Comparing Claude System Prompts Reveal Anthropic's Priorities
Reviewing the few changes in the Claude 4.0 system prompts, we get a sense for how system prompts program chatbot applications.
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The drawbridges come up: the dream of a interconnected context ecosystem is over
The AI era is speedrunning the Web 2.0 story. Open and accessible MCPs are not our future. Integrations will be tightly governed.