I dropped the Anthropic SDK for 150 lines of TypeScript and filed it as a bundler problem. It wasn't. Browser-only, BYOK, no backend, minimal dependencies - the constraints I picked out of preference turn out to be the exact constraints of working inside someone else's regulated environment.
A year ago I deleted @anthropic-ai/sdk from a project and wrote about 150
lines of TypeScript to replace it.
The reason I gave myself was honest and boring. The SDK pulled node:fs/promises
in through an agent-toolset module, which broke the browser bundle. I could have
waited for a browser-clean entry point. Instead I hand-rolled an SSE parser and
I set myself one rule for a side project: every tool has to run entirely in the user's browser. No...
I tried to build a SaaS. I'm shipping tiny libraries instead. For 7 days I poured energy...
I'm a solo developer with about five years of experience, mostly outside AI. The last few months I've...
This is Part 1 of a 6-part series where I open up the real engineering decisions behind my latest...
The 8-Hour "Please Work" Marathon We’ve all been there. You have a vision. You want to...
Lessons from building 126 client-side tools: a 419 GB ISR cache leak, OOM builds on budget hosting, shipping the Vercel favicon…
