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
Ariel Sakin· by asakin
A git-based template for building an LLM-maintained personal wiki with automated filing and metadata standards.
Samet Birer· by sametbrr
An agent-driven markdown wiki system that compiles raw sources into a persistent, interlinked knowledge base.
OpenSciLabOfficial
Reproducible Structured Memory for LLMs
Mihai BuildsOfficial· by MihaiBuilds
A self-hosted, persistent memory layer for AI agents using PostgreSQL, pgvector, and the Model Context Protocol.
Hermes LabsOfficial
A local dual-layer memory framework for AI agents using a human-readable markdown index and semantic vector retrieval.
Paulo de Assis· by MetamusicX
A research-focused knowledge base that uses AI agents to maintain interlinked markdown pages with automated quote verification.
supermemoryOfficial
A persistent memory plugin for OpenAI Codex CLI that automatically captures and recalls coding context.
Luigi Venturino
An agent-driven engine that transforms SAP S/4HANA custom ABAP objects into a verifiable, citable Markdown knowledge base for humans and AI.
Justin· by cookyman74
A self-maintaining LLM wiki harness that transforms an Obsidian vault into a persistent, multi-tiered memory system for AI agents.
河村風真· by fuuuuuuma
AIエージェントに渡すだけで「AIが記憶喪失しない第二の脳(Obsidian Vault)」の最適なファイル構造を自動構築するブートストラップキット。全体ルール/修正指示の蓄積/命名規則/週次lint/ノート雛形を同梱。
Wei Zhang· by wzdavid
A local-first, agent-native knowledge base skill that transforms documents and notes into a browsable Markdown wiki with an interactive content knowledge graph.
Jan-Otto Kröpke· by jkroepke
A structured knowledge catalog and MCP server for the Crossplane v2 ecosystem using Open Knowledge Format.
Ritvik Aryan Kalra· by rvk7895
A Claude Code plugin that transforms raw research into an LLM-maintained Obsidian wiki.
RoboticForce, Inc.Official
A persistent memory and field-aware code graph server for AI coding agents using Rust, Postgres, and MCP.
micu· by micuintus
A minimal, agent-agnostic implementation of the Karpathy LLM Wiki pattern using pure markdown conventions.
ESJavadex
A persistent, compounding knowledge base that transforms raw documents into an interlinked, LLM-maintained wiki.
KnaisomaOfficial
Governance-grade, OKF-compatible knowledge-base format with a single-writer MCP server and CLI.
MnemoverseOfficial
A hosted, cross-tool memory server for AI agents that learns from feedback and supports shared memory rooms.
WriterslogicOfficial
A local, embeddable Rust engine providing persistent memory, hybrid search, and vector-symbolic associative capabilities for AI agents.
SpectrayanOfficial
Memory backbone for AI agents.
selma· by selmakcby
A persistent, multi-agent memory kit for Claude Code that uses an Obsidian vault to store project knowledge.
Hermes LabsOfficial
A local-first memory server for AI agents that prioritizes verbatim retrieval of notes using hybrid search.
HalleyOfficial· by Anzal
An LLM-powered knowledge compiler that tracks claim confidence, contradictions, and temporal changes in a structured graph.
Mnemosyne OSOfficial· by Tony Trochet / XPACEGEMS ECOSYSTEMS
A sovereign, local-first memory operating system that provides a persistent relationship layer for AI agents.