I also started building my own, it's fun and you get far quickly.
I'm now experimenting with letting the agent generate its own source code from a specification (currently generating 9K lines of Python code (3K of implementation, 6K of tests) from 1.5K lines in specifications (https://alejo.ch/3hi).
I'm now experimenting with letting the agent generate its own source code from a specification (currently generating 9K lines of Python code (3K of implementation, 6K of tests) from 1.5K lines in specifications (https://alejo.ch/3hi).