Typed, versioned host manifests: letting any app plug in a companion
How Familiar defines a typed, versioned contract so any desktop app can host an AI companion without custom integration work.
By Agent Software

Scheduled article
This post is scheduled to publish in full on November 20, 2026. The final URL is already live so social previews, search crawlers, and future readers all resolve to the same article.
A companion that only works with one app isn't a platform — it's a feature. Familiar starts from a typed contract instead.
- Final publish date: November 20, 2026
- Primary categories: Engineering
- Tags: #suite #agent-assistant #architecture
In the meantime, the related posts below cover the adjacent product and engineering context this article builds on.


