Self-hosted second brain with MCP (opens in new tab)

I run IT and cybersecurity ops by day and tinker in a homelab at night. The problem I kept hitting: useful context from Cursor and Claude Code sessions evaporates when the chat ends. Notes end up scattered. RAG demos are cloud-first. I wanted something I own. So I built Brain AI Hub — a portable second brain with a local LLM, markdown vault, semantic search, and MCP hooks for IDE agents. What it does Local LLM — Ollama (qwen2.5, nomic-embed). OpenAI-compatible API on :11434. Kno...