01AI / Knowledge retrieval

Bible Assistant

A study assistant that separates source text from AI explanation and keeps citations easy to verify.

  • Next.js
  • OpenAI Responses API
  • Web search
  • Citation design
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02AI / Japanese building regulation

AI Japan Building Regulation Assistant

A conversational research assistant that organizes building facts and searches official e-Gov and MLIT sources for relevant Japanese regulations.

  • Next.js
  • OpenAI Responses API
  • e-Gov / MLIT retrieval
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03AI / Japanese learning

AI Japanese Assistant

A Japanese practice assistant for university interviews and campus life that explains natural rewrites and the reasons behind them.

  • Next.js
  • OpenAI Responses API
  • NINJAL / Japan Foundation
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