plugin-knowledge-base

AI Knowledge Base plugin for NocoBase. Provides RAG (Retrieval Augmented Generation) capabilities for AI Employees.

Features

• Knowledge Base Management — Create and manage knowledge bases with document upload
• Access Control (ACL) — 4 access levels: Private, Basic, Shared (role-based), Public
  • Shared mode: allowedRoles (read/search) and uploadRoles (upload documents) per KB
  • Permission enforcement on all operations: list, create, destroy, reprocess, RAG search
• Vector Store — Bind Embedding models with Vector Databases
• Vector Database — PGVector connection management with connection testing
• Document Processing — Automatic document parsing, chunking, and vectorization
  • File upload (.pdf, .txt, .md, .doc, .docx, .ppt, .csv, .json)
  • Paste text documents directly
  • Auto-delete source file option after successful embedding
• RAG Retrieval — Semantic search for AI Employee conversations via Work Context
• KB Management Popup in Chat — Users can browse, upload, and select KBs directly from AI chat
  • Left sidebar with KB list and access level badges
  • Document table with status, chunk count, and actions
  • File upload and drag-and-drop support
  • "Select for Chat" toggle for RAG context

Requirements

• NocoBase 2.x
• Plugin AI (@nocobase/plugin-ai) enabled
• PostgreSQL with pgvector extension (for PGVector provider)

Installation

yarn pm add plugin-knowledge-base
yarn pm enable plugin-knowledge-base