Show HN: Manthan a MCP server to store Concept cards with prerequisite links

I generally am a forgetful person who remembers very little of what is read sometime ago. I also tried using many of tools related to hardcoded flashcards but they may not present the full picture. I can't share it with my friends about what i am learning easily without signin up. manthan solves for that. I can create a deck of cards that have prerequisites and since this is a MCP any ai agent…