Songkeys publishes Little Flock under the GitHub account songkeys and announced it from the X account @songkeys, which the README links as the original post; the game is hosted at sharpherd.song.work. The licence names the copyright holder as “Little Flock contributors”. No real name, team size or location is given.
A cozy multiplayer sheep-farming game in 3D in the browser: build a shelter, raise 12 breeds of sheep, grow crops and share a farm with friends. The developer says GPT 6 Astra in Codex made it one-shot from a single /goal run.