Second Brain
Top open-source Second Brain AI systems, agents, and MCP tools.
Discover and install verified Second Brain AI systems, autonomous agent skills, and Model Context Protocol servers on AIStoreHub. Reusable, security-scanned, and ready for 1-click execution in Cursor, Claude Code, and terminal workflows.
Available AI Systems & Skills (24)
Open in Advanced FilterClaude Desktop extension with bundled MCP Server for Bear note taking app
Claude Code and Codex working as one team: one shared memory (voice included), each sees the other's latest messages. Plus searchable notes, self health checks, and phone access with the laptop shut.
Chat with your Obsidian vault using your own Claude Code or Codex on desktop, or hosted AI. Edit notes with approval modes, transcribe audio and find related notes. Free to start.
Self-hosted memory server for AI agents. Your brain is a git repo, served over MCP and REST.
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.
Give Claude Code a persistent memory — it remembers you, your projects, and your decisions as plain Markdown files you own. Fully local. Just say `start`.
Local-first AI knowledge app and Agent Skill with evidence-backed Wiki, an interactive knowledge universe, Viki Q&A, and shareable knowledge galaxies.
The fastest, cheapest, most efficient open-source agent harness. Run more than 500 agents on a $10 VPS.
Personal Overnight Helper Agent. Runs while you sleep. Serves up a morning brief before your alarm.
Self-evolving second brain with 35 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.
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.
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.
Framework for AI agents to build and maintain a digital brain through Obsidian wiki | Memory System for Agents
📝 Glyph is a private desktop workspace for notes, documents, and ideas, with Markdown editing and built-in AI tools.
A self-organizing Obsidian vault that gives AI coding agents persistent memory.
Second yourself. One agent that remembers you, with many hands to act for you: a multi-agent harness (Claude Code, with Codex helpers), a self-maintaining local wiki as its long-term memory, and the frontier model you choose. Research assistant today. Pre-1.0, in active development.
AI-native knowledge base & Evernote/Obsidian alternative. Instant all-platform sync, rich notes (tables, mind maps, diagrams, posters), web clipper & MCP. 100% free on Cloudflare or Docker.
A complete starter kit for an Obsidian + Claude Code personal knowledge management system.
PM Brain OS: The Second Brain for Product Managers, Made of Markdown
OKF-powered knowledge context for Claude Code — injects your project's knowledge base at every session
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.
One memory layer, every AI tool. Store anything once — recall it in Claude, ChatGPT, Cursor, or any MCP client. Self-hosted on Cloudflare's free tier.
Build & Monetize for Second Brain
Have you created an autonomous agent, MCP server, or Claude Code skill for Second Brain? Publish it to AIStoreHub with dual-currency checkout (USD $ + INR ₹) and earn 85–90% net revenue.