Obsidian MCP (pgvector +Note TakingKnowledge & MemorySearchmaxkuminovAlicense-qualityBmaintenanceSelf-hosted MCP server for Obsidian with semantic + full-text search over PostgreSQL/pgvector, wikilink graph traversal, atomic note CRUD, OAuth 2.0, and a self-describing vault guide. Last updated 2026-05-1717MIT