Daijiro Wachi·Jun 29Designing CAPE: Collaborative Agents Prompt EngineeringHow we built CAPE — a self-assessing AI team powered by Node.js, Mastra, and Claude Opus 4.8.
Daijiro Wachi·Nov 8, 2025This is how I see JavaScriptA Japanese developer’s journey into linguistic coding
Daijiro Wachi·Feb 11, 2021Improve UX by observability in front-end with Amplify and QuickSightWe do not know if our web application works 100% on different devices unless we observe them. I see a benefit of QuickSight to enable…
Daijiro Wachi·Aug 22, 2020How to use a custom domain of Cognito hosted UI with AmplifyCannot support custom domain of Cognito hosted UI with AmplifyA response icon1A response icon1
Daijiro Wachi·Aug 11, 2020How to support multiple redirect URLs of Auth with AmplifyFaced an issue to support multiple redirect URLs for Auth with AmplifyA response icon1A response icon1
Daijiro Wachi·Jul 21, 2020Sharing a quick survey result of GraphQL server usage in JapanGraphQL server usage in Japan
Daijiro Wachi·Jan 3, 2020An easier way to run server than “python -m”I was looking for a way for my friend who had never tried programming to run a static server in her local as part of building a development…
Daijiro Wachi·Jun 13, 2019Why Google-certified Mobile Web Specialist is a good starting pointAt the end of last year, I was looking for systematic learning materials to help people learn web technology through experiential learning…A response icon1A response icon1
Daijiro Wachi·May 2, 2019Async and forgotten awaitI was casting a sideways glance at the recent popularity of TypeScript aside and thinking that I would become the last person who…A response icon1A response icon1