Sandbox
32 repos for second-brain · Claude CodeClear

Build a living, searchable AI second brain from your ChatGPT, Claude, and research history - Karpathy-style. A Claude Code skill.

165
NicholasSpisak/
second-brain

LLM-maintained personal knowledge base for Obsidian. Based on Andrej Karpathy's LLM Wiki pattern.

709
jessepinkman9900/
claude-second-brain

Fastest way to scaffold your LLM powered personal knowledge base - Obsidian, Claude Code, qmd, Github

47

An always-on second brain you talk to. Voice notes in Telegram → typed, linked knowledge in your Obsidian vault. Runs 24/7 on the Claude subscription you already have.

366
CarlWangChina/
zhigui-openclaw-ui-second-brain-skill

An advanced, UI-powered AI second brain Agent Skill for OpenClaw, Hermes Agent, WorkBuddy, TRAE, and QClaw. ZhiGui uses long-term memory to help you make better decisions, automatically plan tomorrow, resolve conflicting notes, and deliver each day's plan through your existing agent channels.

100
huytieu/
COG-second-brain

Self-evolving second brain with 33 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop design skills for marketing and product UI. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

1.2k
eugeniughelbur/
obsidian-second-brain

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.

4.4k

Second Brain automation for Obsidian vaults — entity management, ingestion, compression, and sync via Claude Code skills

99
agenticnotetaking/
arscontexta

Claude Code plugin that generates individualized knowledge systems from conversation. You describe how you think and work, have a conversation and get a complete second brain as markdown files you own.

3.5k

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

15k
coreyhaines31/
makerskills

AI agent skills for the personal operator's craft — decisions, research, second-brain, content rotation, scenario modeling, and meta-skills to author more. Works with Claude Code, Codex, Cursor.

803

Agent Ops for your second brain - a 3D IDE for Obsidian built on Three.js. Visualize your vault as a code city, dispatch AI coding agents (Claude Code, Codex, Antigravity), post research quests, and watch your agent fleet work in real time.

93

The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management, AI second brain, and durable Claude Code / Codex / OpenClaw memory.

683
ballred/
obsidian-claude-pkm

A complete starter kit for an Obsidian + Claude Code personal knowledge management system.

1.9k
hassancs91/
brainoutside

Self-hosted memory server for AI agents. Your brain is a git repo, served over MCP and REST.

74

MCP server to interact with LogSeq via its Local HTTP API - enabling AI assistants like Claude to seamlessly read, write, and manage your LogSeq graph.

327
blogminhquy/
javis-os

Self-hosted agent OS with skills, workflows, MCP, and second brain storage.

194

A self-organizing Obsidian vault that gives AI coding agents persistent memory. Claude Code, Codex CLI, Gemini CLI.

4.6k
FreePeak/
LeanKG
FreePeak/LeanKGConnectors

LeanKG: Stop Burning Tokens. Start Coding Lean.

217
lucasrosati/
claude-code-memory-setup

Up to 71.5x fewer tokens per session on Claude Code with Obsidian + Graphify. Persistent memory, codebase knowledge graphs, and chat import pipeline. 🇧🇷 PT-BR included.

973

MCP Server for Bear note taking app available as Claude Desktop extension or standalone server for any other AI tool

207

Knowledge graph extractor: Markdown (or any format) to knowledge graph with RDFS/OWL ontology

71
klemensgc/
modular-context-obsidian-plugin

Modular Context | Karpathy LLM Knowledge Base + Gmail & G-Cal — multi-account MCP server for Claude Code, encrypted local-first

97