mybrain vs KBDB

Personal knowledge base with semantic search for Claude — local PostgreSQL + pgvector, MCP server for Claude Code CLI and Claude Desktop. Inspired by Nate B Jones's Open Brain guide (promptkit.natebjones.com)

PostgreSQL-backed RAG server that provides semantic search across document embeddings using pgvector, supporting multiple search modalities including question-answer pairs, similarity matching, style clustering, and code search with optimized distance metrics for knowledge base applications and cont

MCP Servers

Web Apps

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Python

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Apache-2.0

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