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MCP servers tagged second-brain
261 live MCP servers tagged "second-brain", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with second-brain.
Bytepad
Your personal productivity companion
Obsidian Wiki
Framework for AI agents to build and maintain a digital brain through Obsidian wiki | Memory System for Agents
Second Brain Os
An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.
Obsidian Wiki
Framework for AI agents to build and maintain a digital brain through Obsidian wiki | Memory System for Agents
Second Brain Os
An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.
NoteDiscovery
Your Self-Hosted Knowledge Base
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 m…
Mindwtr
A complete Getting Things Done (GTD) productivity system for desktop and mobile.
Minutes
Meeting notes for solo founders. Record Zoom, phone, or in-person. Self-hosted, MIT. First module of Manor AI.
Iwe
IWE (Intellectual Work Environment) — an IDE for thinking: protocols, AI-agent roles, memory, and knowledge formalization on top of Claude Code
Lumina Note
Lumina Note - A modern Markdown note-taking app with live preview, bidirectional links, and AI assistant
Cortex
The Cortex MCP Server
IvenKooLab/loci
A queryable second brain over your scattered notes and docs - hybrid retrieval (vector + BM25), section-level citations, and an MCP server so AI agents can use it. ~300 lines, no…
Mnemon
A self-hosted cross-tool memory server for AI agents — verbatim palace storage, a compiled wiki layer, and 14 MCP tools over Streamable HTTP with OAuth 2.1.
Awesome Second Brain
A curated solutions to building a self-evolving second brain that helps AI agents understand your personal and team context.
Synto
More than just Karpathy’s LLM Wiki, 100% local with Ollama. Drop Markdown notes → AI extracts concepts → your Obsidian wiki auto-links and grows. Zero sharing. Your notes stay you…
Chubbyskills
把中文全渠道内容（抖音 / B站 / 小红书 / 公众号 / X / 播客）采集进个人知识库的 13 个 AI Skill：图文存图、视频转文字稿、字幕优先免 GPU，附带知识库 MCP server。 ｜ Ingest Chinese content into your personal knowledge base — image/video rout…
Sentient Os
An on-device LLM understands your entire life, then proactively offers to get your work done through computer use.
Pi LLM Wiki
Self-maintaining, Obsidian-compatible knowledge base for pi — turn raw sources into an interlinked wiki that compounds. Native Open Knowledge Format (OKF) v0.2.
Iva Agent
AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.
Memoriki
Organize your personal knowledge with structured wikis, semantic search, and entity graphs for efficient information retrieval.
Agentopology
Harness as code — the Terraform for AI agents. Define your agent team AND its memory once, deploy to Claude Code, OpenClaw, Cursor, Codex, Gemini, Copilot, Kiro. Declarative .at l…
Hydra
Context hydration engine for second brains — turns scattered agent work into a connected Obsidian vault. 100% Swift: SwiftUI app, CLI, and MCP server.
Gno
Local semantic search for your documents. Index Markdown, PDF, and Office files with hybrid BM25 + vector search.
Wenlan
A living personal wiki. Wenlan turns your documents, notes, and AI chats into pages with links to their sources, and updates them as sources change without overwriting your edits.…
Aios
Amplify yourself and your team – with AI co-workers.
Rta Smriti Brain
Local-first, evidence-aware project memory for AI coding agents.
Aios
Amplify yourself and your team – with AI co-workers.
FMT Exocortex Template
Exocortex template: fork & deploy your AI-powered personal knowledge system with Claude Code
Osk System
Source-grounded MCP memory runtime and Obsidian-compatible vault template for LLM agents.
LLM Wiki
Autonomous knowledge base plugin for Claude Code - captures reserch, ideas, and decisions into an interlinked wiki with reserch-on-miss, semantic search, and a Wikipedia-style web…
LeanKG
Index codebases into a local knowledge graph to provide accurate context for AI coding tools through a direct MCP server connection.
Modular Context Obsidian Plugin
Modular Context | Karpathy LLM Knowledge Base + Gmail & G-Cal — multi-account MCP server for Claude Code, encrypted local-first
Second Brain Cloudflare
Store and retrieve knowledge across AI tools with an MCP server deployed on Cloudflare Workers.
Iva
AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.
Kaas
Turn scattered notes, docs and transcripts into a queryable Markdown wiki — an LLM knowledge-base compiler with MCP access, no embeddings, self-hosted.
Brainoutside
Self-hosted memory server for AI agents. Your brain is a git repo, served over MCP and REST.
Mykg
Knowledge graph extractor: Markdown (or any format) to knowledge graph with RDFS/OWL ontology
Obsidian Multivault MCP
Multi-vault and multiuser Obsidian MCP
AI Chief Of Staff
The original AI Chief of Staff built on Claude Code and Obsidian. ADHD prosthetic, open to anyone. Superseded by chief-of-staff-2.
Mindbase LLM Wiki
Karpathy's LLM Wiki idea as a product — an AI that builds and maintains a markdown wiki from your notes and sources. MCP server + web UI, runs on free local models (Ollama), no AP…
Noteriv
A fast, open-source markdown editor. Graph view, plugin API, themes, Git/WebDAV sync, AI MCP — built on Tauri 2.
LLM Wiki Newsroom
Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked markdown wiki. A "reground" loop pulls publ…
Kenjaku
Kenjaku is a Karpathy-style LLM wiki, reinforced where it counts with battle-tested software (including a local RAG).
Obsidian Llmwiki
Read-only MCP server for the llmwiki Obsidian vault (LLM wiki v2) — exposes search, graph expansion, claim packs, and page reads over stdio.
Wenlan
Local-first memory layer for AI agents - MCP server
KRouter
Your coding agents remember what you decided — and what you changed. Plain-Markdown memory in Obsidian, shared by Claude Code, Codex and Cursor over MCP. Every answer cites its pa…
Cc Agent Brain
Local-first memory engine for coding agents (Claude Code/Cursor/Codex): SQLite+FTS5 retrieval, versioned bi-temporal memories, full-session capture, zero dependencies, MCP server
Chief Of Staff 2
An AI Chief of Staff in plain markdown, in an Obsidian vault. Version two: torn down, rebuilt smaller, works better. Model agnostic, ADHD-first, open to anyone.
AI Second Brain
Self-hosted shared memory for AI agents (Claude Code, Cursor, Codex, Gemini) — Neo4j + Graphiti MCP + local Ollama. Temporal knowledge graph, multi-agent, one-command setup.