I built this because one chatbot wasn't enough. A life decision, a budget, and a language lesson each need a different kind of attention, so I built a team instead.
Tessa OS is a personal AI system built on Claude Code: 37 specialists, each with a name, a role, and a domain. Cassandra helps with big life decisions. Cosimo runs the financial math. La Signora runs language practice.
31 skills handle the recurring work: a morning orientation, a nightly close-out, a Sunday review, root-cause analysis when something breaks.
Plain markdown files hold the memory: who I am, what's still open, what went wrong last time. Around all of it sits a control layer: build gates, change review, enforcement hooks. That part is written up under Controls.
This graph shows the pieces worth explaining. I built all of them, and I use them.
Its patron is Metis, Titaness of wisdom, craft, and cunning intelligence. Zeus swallowed her so her wisdom would live inside him. This system lives inside a life too, more gently, and thinks ahead for it.