Jiyi (记忆, jìyì — “personal memory” in Chinese) is an Elixir service that provides structured, retrievable memory for LLM-based agents. It stores three kinds of memory; episodic events, semantic facts, and per-session working state — backed by PostgreSQL with pgvector embeddings, and exposes both an HTTP API and an MCP server so agents can write and retrieve context across turns and sessions. This was a thought I had and opted to materialize it, free to learn on new approaches and will be thrill...