Founded by Anthony Conti, MIND is an AI second-brain platform from Astra AI, created to give AI tools persistent memory instead of making them start from zero every time. Its main use is turning notes, documents, research, files, and conversations into a connected knowledge graph that can be accessed by AI models such as Claude, ChatGPT, Gemini, and 50+ others. Users can upload information once, let MIND automatically connect people, ideas, projects, and other facts, then use that knowledge across different AI tools without repeatedly explaining the same context. Users may especially like its automatic knowledge connections, cross-model memory, agent features, and support for developers through MCP, CLI, and API integrations. MIND offers a free forever Explorer plan, while paid options start at $10/month for Lite, with higher plans including Starter at $49/month, Professional at $199/month, Business at $599/month, and Scale at $1,499/month; Enterprise pricing is custom.