Railtown launches native Swift agent tooling for Apple platforms with cross-device context, privacy separation and agent observability

What changed

Railtown AI announced a native Railtracks Agent Development Kit for Swift and a Railengine Swift SDK on October 6. The tooling brings agents, tools, orchestration, workflows and multi-agent systems directly into Swift development across iPhone, iPad, Mac, Apple Watch and Vision Pro. Railengine is designed to retrieve relevant context as users move between devices; Railtown says personally identifiable information remains in the data layer and is retrieved through iCloud, separating identity data from the intelligence systems that use context. The release also emphasizes observability and accountability for agent actions.