AI second brains and agent memory
Second brains, LLM wiki kits, vault templates and memory servers that give your AI agent a memory it can read and write. Every brain is credited to its author, with setup steps for every major AI tool.
129 brains
Graphify Labs· by safishamsi
A deterministic knowledge graph tool that maps codebases and documentation into queryable structures for AI agents.
Colby Mchenry· by colbymchenry
A local-first knowledge graph for AI coding agents that provides surgical code context via semantic analysis.
EgonexAI· by Egonex
An open-source multi-agent framework that transforms codebases into interactive knowledge graphs for AI-assisted exploration.
Model Context ProtocolOfficial
An MCP server that provides persistent memory for AI agents using a local knowledge graph.
MemPalace· by milla-jovovich
A local-first, verbatim AI memory system that organizes project and conversation data into a searchable palace.
TopoteretesOfficial
Cognee is the open-source AI memory platform for agents.
ZepOfficial
Build Real-Time Knowledge Graphs for AI Agents
Tirth Kanani· by Tirth
A local-first code knowledge graph that provides AI coding tools with precise, token-efficient context via MCP.
supermemoryOfficial
A memory and context engine that provides persistent, auto-updating memory for AI agents through a unified API.
Tobias Lütke· by tobi
An on-device hybrid search engine for markdown files using BM25, vector search, and LLM reranking.
Tencent CloudOfficial
A team-level memory hub that transforms conversations, documents, and code into reusable, governed assets for AI agents.
nash_su· by nashsu
A cross-platform desktop application that automatically transforms documents into a persistent, interlinked, and LLM-maintained knowledge base.
ObsidianOfficial
Obsidian CLI is a command line interface that lets you control Obsidian from your terminal for scripting, automation, and integration with external tools.
Memori Labs· by Memori Labs Team
An agent-native memory infrastructure that captures execution and conversation into structured, persistent state.
Agrici Daniel· by AgriciDaniel
A local-first AI second brain for Obsidian that turns sources into a connected, cited knowledge graph using Claude Code.
NevaMind AI· by evan-ak
A memory system that distills agent session history into reusable Markdown skills across devices and agents.
Semantica Official
Graph-Native Infrastructure for Context and Accountable AI Systems
Plastic LabsOfficial
Memory infrastructure for building stateful agents that track users, projects, and ideas over time.
Brenno Ferrari· by breferrari
A self-organizing Obsidian vault providing persistent, structured memory for AI coding agents.
PageIndexOfficial
An open-source CLI system that compiles documents into a structured, interlinked LLM-ready wiki for persistent agent memory.
Cavira· by CaviraOSS
A durable, local-first memory engine for AI agents featuring temporal truth, governed assets, and a Hydrograph substrate.
Basic MachinesOfficial
A local-first, MCP-native memory server that turns Markdown files into a persistent, searchable knowledge graph for AI agents.
Markus Pfundstein
An MCP server that enables AI agents to read, search, and modify notes within an Obsidian vault via the Obsidian Local REST API.
tigerless-labsOfficial
A local-first, agent-agnostic long-term memory runtime using Markdown as the source of truth and a rebuildable SQLite index.