n8n-nodes-postgres-vector-store-tool
JSON →n8n community node for AI agent Postgres/pgvector vector store tool with vector search and custom SQL capabilities. Version 0.7.1 provides flexible querying beyond basic similarity search, supporting custom SQL mode for JOINs, filters, aggregation, row-level security, and hybrid search. Actively maintained on GitHub with TypeScript types included. Differentiates from built-in n8n Vector Store Tool by allowing full SQL control while still using embedding nodes.