MemorySync

MemorySync is a hosted memory layer for AI apps. Your app saves durable facts, preferences and decisions with one call and retrieves the ones a later task needs with another, scoped to a project and an end user. Your code still decides what goes into the prompt. There are Python and Node SDKs and a hosted MCP server. You can try it in the browser with no signup at memorysync.io/try, then keep your key on the free plan by adding your email.