Agnaistic is a chat application designed for roleplaying with AI-powered fictional characters. It supports integration with numerous AI services including OpenAI, Claude, Kobold, Novel, AI Horde, Goose, Replicate, OpenRouter, and Mancer. The platform provides multi-tenancy with user authentication and per-user settings, character memory and lore book systems, and optional pipeline features for long-term memory and document embedding. Users can generate characters using AI and include image generation through third-party services.