The Harness engineering
The biggest leap in AI coding isn't a better model. It's a better harness.
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Dispatch № 2026 — Hong Kong
Building software, shipping ideas, and the occasional game.
Software Developer
By Vincent CHAN · Full-Stack Engineer · Hong Kong
§ 01
Dispatch
p. 01
“Currently building AI tooling, browser games, and a chatbot that answers as me.”
Colophon — Set in React, Next.js, TypeScript, Tailwind, Node.js, Postgres, and the Vercel AI SDK. Indexed with Orama, pressed in Hong Kong.
§ 02
The Work
p. 02
AI · FeaturedJOB AILet AI find your perfect job match and refine your CV for success.ur-job.vercel.app ↗AI · FeaturedAI Deployment PlatformDeploy your own AI Agent with just one click.startclaw.dev ↗AI · FeaturedAI SearchA smart RAG search engine that leverages AI to summarize results for faster queries.vsearch.zeabur.app ↗
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- № 13Voice to TextAutomatically generate full text transcripts simply by inputting a YouTube URL.AI·free↗ live
- № 14GPT-CLONED WEB CHAT BOTConnect and communicate with GPT-4 via API, utilizing a dedicated backend server to monitor and manage quota usage.AI↗ live
- № 15Pedometer AppA gamified fitness app that motivates users to walk, level up characters, view rankings, and battle other users.Apps↗ liverepo
- № 18Twitter style Web appA microblogging platform where users can seamlessly post updates and leave comments.Social↗ live
- № 20Image-keeperA free image hosting platform featuring unlimited storage and effortless sharing.Tools↗ live
- № 22PDF-HelperAn intuitive collection of tools to efficiently manage, edit, and organize your PDF files.Tools↗ live
- № 25Pic SmallerAn intelligent image compression tool supporting JPEG, PNG, WebP, AVIF, SVG, and GIF formats.Tools↗ live
- № 26Cloud StorageA self-hosted cloud drive deployed via Docker-compose after building custom images.Tools↗ liverepo
§ 03
Writing
p. 04
Thoughts, ideas, and explorations
Which file will Next.js use if it's not found?
There may be a few missing files in the project, but sometimes the file used is not what we expected.
New Caching System for the Nextjs
Nextjs has introduced a few caching systems, but they are currently evolving. The new caching system appears to be both simple and powerful.
§ 04
Build Something Together?
p. 06
I like working on things that solve real problems
Got an interesting project, a tricky bug, or an idea worth exploring? I'm always up for a good conversation.
Say Hello