Second Brain
Self-maintaining knowledge vault with figure-level search, auto-wikilinks, and memory compression.
What it does
Self-maintaining knowledge vault with figure-level search, auto-wikilinks, and memory compression.
Second Brain is a personal knowledge management MCP server that captures articles and PDFs, extracts figures via OCR, and indexes content using DuckDB with full-text and vector search. It automatically generates wiki-style links between related notes and compresses infrequently-accessed content using an Ebbinghaus-inspired scoring system. Designed for cross-session continuity, it maintains project context through goals, rules, and decision records stored as pure Markdown files.
Capabilities
Server
Quality
deterministic score 0.60 from registry signals: · indexed on pulsemcp · has source repo · 2 github stars · registry-generated description present