Ask HN: Shot in the dark, plain text micro blog

Ages ago I saw a self hosted twitter alternative where you place all of your "tweets" into a plain text file and hosted it anywhere. The format was something like,

    2016-03-04T16:30:01Z: Hey @cucumber(https://coolasacuc.com/social.txt), how you doing?

Where when you mentioned someone you broadcasted where their social plain text micro blog was. There was also a CLI for viewing your followed (subscribed) people, and an online service that mirrored any twitter user to this service, so you could talk about a person on twitter.

Does anyone know what this service/protocol/standard/project is/was called?