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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.
Kabehub Prototype
AI chat logger with public sharing, forking, and multi-model support. Save your thinking process, not just the answers. 生成AIとのチャット/壁打ちツール（KabeHub）のプロトタイプです.
Bobs Big Brain Plugin
Bob's Big Brain — the governed team brain, as a local-first Claude Code + Cowork plugin. Turn your own files into cited (qmd://) memory with a tamper-evident, SHA-256 hash-chained…
LLM Wikimind
The production-ready implementation of Karpathy's LLM Wiki pattern. Markdown + BM25 + MCP. No embeddings, no vector DB.
Dsh Memory Core
DeepSeek Harness cross-session long-term memory + user profile plugin: the AI remembers who you are, your projects and preferences across sessions. Pure Markdown, zero-config, ful…
Fluffmind
Self-hostable, git-backed PKM — markdown + wikilinks as source of truth, with a modern web UI and MCP for AI agents.
Recall AI
Build and manage AI-driven workspaces using Next.js, React, and TypeScript with customizable UI and MIT licensing.
Lararium
Lararium: a clone-and-run template for a personal agentic system. A file-based brain, an assistant soul you talk to, a searchable index, an agent roster you can re-theme, session…
Brainstack
Shared second brain for humans and AI assistants. MCP-native, self-hostable
Looki Claude
首个公开的 Looki L1 × Claude 深度接入 skill 包。把你 Looki 里的每一秒,交给 Claude 读。零依赖 Python 客户端 + ffmpeg 视频抽帧 + 10 条踩坑录。
Origin Of Memory
Persistent memory for coding agents on Windows — automatic session capture, a nightly knowledge compiler, and FTS5 BM25 retrieval injected into every prompt. Built for Claude Code…
Burn451 CLI
Burn 451 CLI — manage your reading queue from the terminal. Save, triage, digest.
Korely Graphrag
MCP-native second brain with an automatic entity graph over your markdown notes. Honest benchmark vs vanilla RAG and nano-graphrag included.
Brainkit
One brain for the company, a filtered copy for every person. Obsidian-compatible markdown + git, self-hosted; works with your AI agents and tools.
Kybase
Self-hosted persistent memory for AI agents. Markdown for humans, MCP for agents.
Gnoxis
Open Source Local-first, AI-powered knowledge base for developers. Ingest docs, code, meetings & requirements — search with natural language, get AI answers, and expose everything…
Openyou Crm
The open-source AI-native solo CRM. A self-building second brain for one-person businesses.
Sanook CLI
🪄 A terminal AI coding agent — BYOK, 12 providers, MCP, and a second-brain that gives the AI durable cross-session memory. Built from scratch in TypeScript.
Sticky
A local-first personal memory system. Capture thoughts with zero friction, let AI organize them, retrieve with semantic search, review with daily digests.
Book Brain
A GBrain-shaped knowledge brain over open-source / free books. Markdown on disk, SQLite + sqlite-vec hybrid search, typed graph edges, MCP server. TypeScript on Node + tsx, Ollama…
Prometheus Memory
🌐 EN/PT/ES/中文 · Hierarchical L0-L3 memory layer for AI agents — second brain with Web UI (4 languages), multimodal RAG, notes, and skill generation. Add-on for Mnemosyne. Windows/…
Obsidian Bridge
Connect Cursor agents to your local Obsidian vault via Local REST API — MCP tools, setup skills, and vault-safety rules.
AI Docs
A Codex starter kit that turns persistent context, reusable skills, MCP capabilities, and scheduled prompts into real work.
Mastervault MCP Server
A headless, filesystem-backed MCP server that serves any MasterVault — its files and its operating protocol — to any MCP client over stdio. No Obsidian required.
Atrium Showcase
Atrium — a second brain for your AI. Universal Swift app (iOS/iPadOS/macOS): AI-organized knowledge vault, living contexts, hand-off files, MCP server for agents. Public showcase;…
Neuronest MCP
Local-first MCP server that turns your Markdown vault (Obsidian, Logseq, or plain folders) into a private, searchable "second brain" for AI agents like Claude and Cursor — with se…
SinoutX User
SinoutX (personal edition) — self-hosted, single-user AI workspace with a built-in assistant that captures, remembers and acts across web, Telegram and Viber. Your data, your serv…
Obsidian MCP Fast
Highly-performant MCP server for Obsidian vaults. Sub-millisecond retrieval. No Obsidian app required. Works with Claude Desktop, Claude Code, Cursor.
LLM Memory
Persistent, cross-model memory for LLM assistants — MCP server in .NET 10 over Postgres + pgvector + Apache AGE. Hybrid retrieval (vector + BM25 + graph PPR + LLM rerank), bi-temp…
Openclaw Unison
Long-term memory & recall for OpenClaw — powered by Unison.
Digital Synapse
An open-source personal knowledge workspace for you and your AI agents. Connect ideas, explore an interactive knowledge map, and trace answers to sources. Mac + Codex first.
Claude Obsidian Memory
Give Claude Code a memory that survives between sessions, stored as plain Markdown in your Obsidian vault.
Codex Unison
Persistent memory for OpenAI Codex CLI — powered by Unison.
Kbtransfer
Open-protocol federated knowledge base for AI agents. Karpathy-style wiki + signed pack distillation + MCP-native sharing.
Altretta Releases
Notes that stay Markdown files on your disk, an AI that cites its sources, and a signed history that proves both. Download Altretta and report issues here.
Assayer Memory MCP
A local knowledge base your agents can read — and the engines that keep it honest. Computed themes, measured links, budgeted context over MCP, a verdict funnel that drains its own…
Agent Context Server
MCP server that turns an Obsidian vault into working memory for an LLM agent. Deterministic write guardrails in code, hybrid search (BM25 + vector + temporal + graph), automated r…
My Wiki Template
증거 기반 개인 cognitive SoT 위키 템플릿 — 당신과 AI 에이전트가 함께 가꾸는 개인 장기기억. Build your own evidence-based personal wiki your AI agents can query (MCP-ready). 정적 이력서가 아니라 계속 쌓이는 살아있는 진실원.
Mindvault MCP
mindvault-mcp is a local Stdio MCP server for Obsidian vaults indexed by the Smart Connections plugin.
KBAI Second Brain
A second brain that argues back — a typed-graph (graph-RAG) retrieval engine over an Obsidian vault: edge-weighted Personalised PageRank, multi-lens Council Mode, and retrieval qu…
Atomic Memory Kit
Bidirectional atomic memory for agents: compile Markdown knowledge atoms into one context bundle, decompile back, and spotlight what's missing. Zero deps, no embeddings.
Lingtai
Raw notes → Structured knowledge. 68 MCP tools, MIT open source, zero API dependencies. One human + AI production system. Not a chatbot — your knowledge assembly line.
Reading Feed MCP
Vendor-neutral MCP: turn your reading queue (Burn/Readwise/Karakeep/RSS/markdown) into queryable context for Claude Code sessions. Stop saving articles you'll never use.
Mind Bridge
Raw thought to structured knowledge. Built on Claude, Notion, and Obsidian. Three syncs a day. Zero manual sorting.
Pester
Accountability engine for founders — AI-powered knowledge vault with action tracking, semantic search, and multi-source sync
Chartroom
A local second brain built on GBrain, with TypeSafe Jev for search ranking and page connections.
Tana Voice Note Agent
Your voice notes, out of the outline and into the hands of a real agent. Sync Tana voice notes into a local markdown archive, then run 22 commands + 8 wisdom lenses over them with…
Three Brain Knowledge Architecture
A tool-agnostic knowledge architecture that gives AI coding assistants persistent memory — a measured 60-95x context-token reduction. Includes drop-in CLAUDE.md / AGENTS.md templa…
Altretta Plugins
Official first-party plugin catalog for Altretta — signed, sandboxed, permission-scoped extensions for your local, private, verifiable second brain.
Loom
Self-hosted second-brain agent network over an Obsidian vault — cited RAG, a self-healing builder-inbox loop, and life-domain modules. Claude Code plugin (/loom:* commands) + bund…
Cortex
🧠 A local, Obsidian-compatible second brain for agents: wikilinked markdown vault, knowledge graph, FTS5 search, live graph web view. CLI + web + MCP. Zero deps.