

Building Nagano
Running seven coding-agent CLIs from one approval queue
Nagano includes no model. A local daemon starts each agent’s own CLI as a supervised process and records every approval it asks for. How that works, and which agents ask.
How Cosmo, Switchboard and Nagano are built, and what we learn building them.


Building Cosmo
An agent in Cosmo is a user record with a model, a system prompt and a set of tools. What that one decision changes in the product, and what it rules out.
Read the story

Building Nagano
Nagano includes no model. A local daemon starts each agent’s own CLI as a supervised process and records every approval it asks for. How that works, and which agents ask.


Building Switchboard
A manifest, a trust preview, a per-command switch and an audit log: the four gates between an agent and the apps on your Mac.
Meet Cosmo, Switchboard and Nagano.