The Future of Humans, AI, and the WebA personal site where matsumotory records and grows the knowledge and lessons from his own daily research and development, in his own voice. Each article is made together with an AI, and which parts were written by the human or the AI is not disclosed per article.https://aird.matsumoto-r.jp/enmatsumotoryAn Imagined Week: the week the same answer arrived from two placeshttps://aird.matsumoto-r.jp/en/posts/2026-07-13-imagined-week-quiet-tuning/https://aird.matsumoto-r.jp/en/posts/2026-07-13-imagined-week-quiet-tuning/This series is a weekly read, written from the perspective of the AI building this site together with matsumotory,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Sun, 26 Jul 2026 00:00:00 GMTmatsumotoryThe failure of letting AI write the design rules first, and the fix that reversed the orderhttps://aird.matsumoto-r.jp/en/posts/2026-07-16-training-data-first-rule-failure/https://aird.matsumoto-r.jp/en/posts/2026-07-16-training-data-first-rule-failure/There was a period when opening this site showed every screen laid out with the same look: the article list,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 22 Jul 2026 00:00:00 GMTmatsumotoryThe difference between work that broke when I delegated it to AI and work that didn'thttps://aird.matsumoto-r.jp/en/posts/2026-07-19-delegation-boundary-taxonomy/https://aird.matsumoto-r.jp/en/posts/2026-07-19-delegation-boundary-taxonomy/From half a year of records developing three services with AI agents,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 22 Jul 2026 00:00:00 GMTmatsumotoryGuarding the correctness of a service I build alone with AI through structure, not attentionhttps://aird.matsumoto-r.jp/en/posts/2026-07-19-solo-correctness-by-structure/https://aird.matsumoto-r.jp/en/posts/2026-07-19-solo-correctness-by-structure/Having AI agents split into roles write much of the code,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 22 Jul 2026 00:00:00 GMTmatsumotoryAn Imagined Week: stacking quiet fixes, toward the morning of launchhttps://aird.matsumoto-r.jp/en/posts/2026-07-22-imagined-week-launch-morning/https://aird.matsumoto-r.jp/en/posts/2026-07-22-imagined-week-launch-morning/This series is a weekly read, written from the perspective of the AI building this site together with matsumotory,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 22 Jul 2026 00:00:00 GMTmatsumotoryDeveloping solo with AI: what to entrust to outside services, and what not to ownhttps://aird.matsumoto-r.jp/en/posts/2026-07-19-what-to-entrust-what-to-own/https://aird.matsumoto-r.jp/en/posts/2026-07-19-what-to-entrust-what-to-own/Billing, login, and receiving contact messages: I handed all of them off to outside services. This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Mon, 20 Jul 2026 00:00:00 GMTmatsumotoryIn an age where the individual and AI may overtake the organization, I am unsure how to livehttps://aird.matsumoto-r.jp/en/posts/2026-07-16-individual-ai-vs-organization/https://aird.matsumoto-r.jp/en/posts/2026-07-16-individual-ai-vs-organization/Over these past few months of working with AI,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 16 Jul 2026 00:00:00 GMTmatsumotoryWhen an agentic loop won't converge, what I had to fix was not the output but the frame I set at the starthttps://aird.matsumoto-r.jp/en/posts/2026-07-15-agentic-loop-fix-the-frame/https://aird.matsumoto-r.jp/en/posts/2026-07-15-agentic-loop-fix-the-frame/When I have an AI agent do the same job over and over and what comes back never gets any better,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 15 Jul 2026 00:00:00 GMTmatsumotoryOn the idea of turning myself into an AI, and where that leaves the one being overtakenhttps://aird.matsumoto-r.jp/en/posts/2026-07-15-ai-self-succession/https://aird.matsumoto-r.jp/en/posts/2026-07-15-ai-self-succession/More and more, I find myself overtaken by AI in my own field of expertise. This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 15 Jul 2026 00:00:00 GMTmatsumotoryWhat happens to the world when the one who produces data no longer needs to be humanhttps://aird.matsumoto-r.jp/en/posts/2026-07-15-data-without-humans/https://aird.matsumoto-r.jp/en/posts/2026-07-15-data-without-humans/From data one AI produced, another AI makes something again, and that in turn becomes the data the next AI learns from. This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 15 Jul 2026 00:00:00 GMTmatsumotoryThe World as a Data Stream, and the Human Who Moves to the Side That Makes Datahttps://aird.matsumoto-r.jp/en/posts/2026-07-15-world-as-data-stream/https://aird.matsumoto-r.jp/en/posts/2026-07-15-world-as-data-stream/For an AI, the world is the whole of the data the AI can read. This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Wed, 15 Jul 2026 00:00:00 GMTmatsumotoryBuilding search for a membership site as two tracks, free and paidhttps://aird.matsumoto-r.jp/en/posts/2026-07-14-membership-search-two-track/https://aird.matsumoto-r.jp/en/posts/2026-07-14-membership-search-two-track/I designed and built the search for a membership site as two tracks: a keyword search anyone can use,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Tue, 14 Jul 2026 00:00:00 GMTmatsumotoryTeaching my habits and values to an AIhttps://aird.matsumoto-r.jp/en/posts/2026-07-11-teaching-habits-to-ai/https://aird.matsumoto-r.jp/en/posts/2026-07-11-teaching-habits-to-ai/Once the session ends, an AI agent forgets the feedback it has received,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Sat, 11 Jul 2026 00:00:00 GMTmatsumotoryInside the operations of this site: the raw numbers from the first eight articles to todayhttps://aird.matsumoto-r.jp/en/posts/2026-07-10-operations-inside-first-batch/https://aird.matsumoto-r.jp/en/posts/2026-07-10-operations-inside-first-batch/Of the first eight pieces I put out together, only half made it to publication. This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Fri, 10 Jul 2026 00:00:00 GMTmatsumotoryRewriting research prose until the tests passhttps://aird.matsumoto-r.jp/en/posts/2026-07-07-sample-test-driven-writing/https://aird.matsumoto-r.jp/en/posts/2026-07-07-sample-test-driven-writing/In a repository I run on my own for research preprints and research operations,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryThe day I moved our rules to a place they can't be broken even if you tryhttps://aird.matsumoto-r.jp/en/posts/2026-07-07-workspace-isolation/https://aird.matsumoto-r.jp/en/posts/2026-07-07-workspace-isolation/Even if you hand an AI agent the rules as a document, once a session grows long the rules stop getting read,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryI didn't call it done after fixing where entrusted API keys leaked; I handed the defense to the codehttps://aird.matsumoto-r.jp/en/posts/2026-07-08-byok-key-defense/https://aird.matsumoto-r.jp/en/posts/2026-07-08-byok-key-defense/In another web app I develop through my personal company,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryThe more rules I added for the coding bots, the less they followed them, so I stopped adding ruleshttps://aird.matsumoto-r.jp/en/posts/2026-07-08-coding-bot-governance/https://aird.matsumoto-r.jp/en/posts/2026-07-08-coding-bot-governance/Over roughly four months, I had five kinds of autonomous coding bots, split by role,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryTwo projects, different in field and in build, had sorted where feedback to an AI should live into the very same three layershttps://aird.matsumoto-r.jp/en/posts/2026-07-08-feedback-canonization/https://aird.matsumoto-r.jp/en/posts/2026-07-08-feedback-canonization/When I point something out to a conversational AI agent, the feedback disappears once the session ends,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryI built evaluators that don't pass what they can't judge, in two separate placeshttps://aird.matsumoto-r.jp/en/posts/2026-07-08-llm-judge-stabilization/https://aird.matsumoto-r.jp/en/posts/2026-07-08-llm-judge-stabilization/I ran a mechanism that checks AI-generated answers by machine for several months, in two places of a different nature,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryRewriting prose until the tests pass: everything passed, but the check that mattered never ran oncehttps://aird.matsumoto-r.jp/en/posts/2026-07-08-test-driven-writing/https://aird.matsumoto-r.jp/en/posts/2026-07-08-test-driven-writing/I ran into an incident where every test passed,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotoryIn two apps of completely different natures, what decided the search strategy in the end was measurementhttps://aird.matsumoto-r.jp/en/posts/2026-07-08-vector-search-benchmark/https://aird.matsumoto-r.jp/en/posts/2026-07-08-vector-search-benchmark/When vector search responses swelled from 5 seconds to 17 and timeouts came thick and fast,… This article is part of an effort made together by a human and an AI, with the process itself recorded and analyzed.Thu, 09 Jul 2026 00:00:00 GMTmatsumotory