Custom Copilot alternative / extension because I no longer believe it is a good idea to let Big Ai determine how you write code with your new helper. Big Tech f'd up a lot of things the last 25 years as we ceded control of our interfaces to them. I don't want to make the same mistake with my primary work tool.
Also, getting into the guts of how agents work and messing around with the knobs and levers is super interesting and where the real differentiating skills are
I don't want to sound rude, but what was your reason to go from scratch instead of joining an already established, open source effort? The likes of Cline, Roo, Continue, ...
The three options you offered are all VC funded "open source"
This is where the real AI bubble is. VC funded startups who's main plan is likely an acquisition. I'm not interested in those kinds of "open source" anymore, they want to lock you in to their product. Also, https://ssotax.org/
Also, getting into the guts of how agents work and messing around with the knobs and levers is super interesting and where the real differentiating skills are
Built on ADK, CUE, and Dagger
https://github.com/hofstadter-io/hof/tree/_next/lib/agent
(my swiss army knife for dev work, getting a rename soon(tm))