SoulCast

A local-first AI character companion.

An AI companion for conversation, creation, and exploration with characters.

Built for conversation and creation

A few clear capabilities. Each one stays under your control on-device.

Ongoing chats with characters you define—tone, lore, and relationships, not one-off replies.

                
                  {
  persona: "Archivist",
  tone: "quiet · precise",
  session: persistent
}

Keep key memories and world entries locally. Characters remember what matters; scenes stay consistent.

                
                  {
  memory: on-device,
  worldbook: entries[],
  recall: contextual
}

Switch models by task and attach tools as needed. Local-first, cloud when you choose.

                
                  {
  provider: local | api,
  tools: extensible,
  priority: offline-first
}

From roleplay to long-form lore and plot. Turn dialogue into a workspace you can continue.

                
                  {
  mode: roleplay · write,
  export: plain · structured,
  flow: iterative
}

A Flutter mobile client. Local-first, with multi-model and tool support.