A Mac native GST signer that asks before every signature
There is no Mac native way to sign GST filings with a DSC. So I built one in Rust: open source, it asks before every signature, and it shipped four releases in one evening.
Writing, in the open
Writing by Utsav Patel
Notes on AI engineering: agents, evals, the systems around them, and what I learn shipping small products on the side.
- posts
- 3
- subjects
- 10
- last published
- 28 September 2026
How I reverse engineer conductor app
Conductor has one global setting for agent accounts. I wanted one per chat. Here is the whole path: what the app allows, what it does not, and what the answer cost.
A blog that is a folder of markdown files
Why the whole publishing pipeline here is a git push, what the build refuses to let me ship, and what it costs to run. Roughly nothing.