Your agency already has the ingredients: discovery calls, client emails, brand guides, campaign checklists and work in progress. The delay often comes from finding them and briefing someone again.
An AI Brain organizes that knowledge in Notion, connects the tools agreed for your setup and gives your AI assistant business-specific instructions. It helps prepare the next piece of work using the background you have already recorded.
Claude and ChatGPT are examples of assistants that can be part of the setup. Available actions depend on the tools, permissions and integrations agreed for your installation.