root-kg vs second-brain

Personal knowledge graph with entity extraction, GraphRAG, and MCP integration. Turn your notes into searchable intelligence.

Local-first personal knowledge base CLI — hybrid FTS + pgvector search, a GraphRAG entity graph, and LLM enrichment over your notes, transcripts, Slack & Gmail. Runs fully local on Ollama (no cloud, no API keys); queryable by any AI agent through the built-in MCP server. Postgres-backed, publishes a

MCP Servers

MCP Servers

3

—

—

—

Python

—

MIT

—

—

24

1

1