Best Second Brain AI Skills & MCP Servers
5 curated Second Brain skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Enquire
MCP server giving AI agents (Claude Code, Claude Desktop, Cursor, ChatGPT, Codex, OpenClaw) persistent long-term memory backed by your local Obsidian markdown vault. Hybrid retrieval (BM25 + ML embeddings + BGE reranker, RRF-fused), HNSW + int8 quantizati
Knit
Knit — second brain for Claude Code. MCP server giving any AI agent project-scoped memory, tiered workflow protocol, and parallel team worktrees.
Create Opc Wiki
Scaffold a personal LLM wiki (Karpathy pattern). MCP-ready, multi-agent, publishable. Zero-prompt install for IM agents (OpenClaw, Hermes, Codex, Claude Code).
Obsidian Second Brain
MCP server for Obsidian-based second brain memory using PARA methodology
Secondbrainos
Second Brain OS MCP Server for Claude Desktop
About Second Brain skills on iClaude
iClaude is the universal install layer for AI skills. Every Second Brain skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.