
Engineering
The Final 20%: When the System Still Needs You
Every autonomous system has a hidden dependency: you. I spent eight months building Principal. The last five gaps are what made it actually autonomous.
March 23, 20267m read

Every autonomous system has a hidden dependency: you. I spent eight months building Principal. The last five gaps are what made it actually autonomous.

One AI agent running 48 skills is the same anti-pattern as one engineer doing everything. I split it into 10 specialized agents — named after Egyptian gods — with zero breaking changes to existing infrastructure.