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MCP servers tagged knowledge-base

132 live MCP servers tagged "knowledge-base", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with knowledge-base.

132
live servers
45
avg trust
11K
most stars
1

Note Gen

codexu

A cross-platform Markdown AI note-taking software.

★ 11Kupdated 6 months agoGPL-3.0
92
2

5ire

nanbingxyz

5ire is a cross-platform desktop AI assistant, MCP client. It compatible with major service providers, supports local knowledge base and tools via model context protocol servers…

★ 5.0Kupdated 7 months agoNOASSERTION
89
3

MCP Documentation Server

andrea9293

MCP Documentation Server - Bridge the AI Knowledge Gap. ✨ Features: Document management • Gemini integration • AI-powered semantic search • File uploads • Smart chunking • Multil…

★ 292updated 6 months agoMIT
85
4

Yams

trvon

Persistent memory for LLMs and apps. Content-addressed storage with dedupe, compression, full-text and vector search.

★ 365updated 6 months agoGPL-3.0
80
5

Obsidian MCP Server

cyanheads

Obsidian Knowledge-Management MCP (Model Context Protocol) server that enables AI agents and development tools to interact with an Obsidian vault. It provides a comprehensive suit…

★ 383updated 10 months agoApache-2.0
75
6

Qdrant Loader

martin-papy

Enterprise-ready vector database toolkit for building searchable knowledge bases from multiple data sources. Supports multi-project management, automatic ingestion from Confluence…

★ 30updated 6 months agoGPL-3.0
72
7

Org MCP Server

szaffarano

MCP server for org-mode and org-roam knowledge base management

★ 26updated 6 months agoMIT
69
8

Deep Research MCP

pinkpixel-dev

A Model Context Protocol (MCP) compliant server designed for comprehensive web research. It uses Tavily's Search and Crawl APIs to gather detailed information on a given topic, th…

★ 25updated 9 months agoMIT
69
9

Cratedb MCP

crate

CrateDB MCP Server for natural-language Text-to-SQL and documentation retrieval.

★ 8updated 6 months agoApache-2.0
67
10

Qurio

irahardianto

Self-hosted RAG engine for AI coding assistants. Ingests technical docs & code repositories locally with structure-aware chunking. Serves grounded context via MCP to prevent hallu…

★ 7updated 6 months agoMIT
64
11

NoteDiscovery

Your Self-Hosted Knowledge Base

64
12

LLM Wiki Compiler

The knowledge compiler. Raw sources in, interlinked wiki out. Inspired by Karpathy's LLM Wiki pattern.

64
13

Lime

AI content workspace for Chinese creators: desktop writing, research, prompt library, knowledge base, and multi-model workflows.

64
14

SAG

An out-of-the-box document retrieval workbench built on SAG

64
15

Siyuan

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

64
16

Knowledgemcp

maxzrff

Model Context Protocol (MCP) server for local vector storage & semantic search (ChromaDB, OCR, async ingestion).

★ 5updated 9 months agoMIT
62
17

Mybrain

lilium360

Personal knowledge base with semantic search for Claude — local PostgreSQL + pgvector, MCP server for Claude Code CLI and Claude Desktop. Inspired by Nate B Jones's Open Brain gui…

★ 31updated 6 months agoMIT
61
18

vezlo/src-to-kb

vezlo

Convert source code to LLM ready knowledge base

★ 29updated 8 months agoNOASSERTION
61
19

Dify

YanxingLiu

MCP server for Dify Console API — programmatic agent creation, knowledge base management, DSL import/export, workflow control. Works with self-hosted Dify v1.6+.

★ 274updated a year ago
59
20

Layra

LAYRA—an enterprise-ready, out-of-the-box solution—unlocks next-generation intelligent systems powered by visual RAG and limitless visual multi-step agent workflow orchestration.

59
21

Clearly

Markdown editor and knowledge base for Mac

59
22

Slite

fajarmf

Model Context Protocol server for Slite integration - search and retrieve notes from your Slite workspace

★ 2updated 7 months agoMIT
56
23

Bookstack MCP

ttpears

MCP server for BookStack — 56 tools covering the full API + semantic vector search. Rust/tokio/axum, dual transport (SSE + Streamable HTTP), OAuth 2.1, pluggable DB (SQLite/Postgr…

★ 5updated 7 months agoMIT
53
24

Conduit AI Intelligence Hub

amlandas

Conduit automates the discovery and configuration of MCP servers while transforming your personal artifacts into a precise knowledge layer, delivering AI-ready context without the…

★ 1updated 7 months agoMIT
53
25

Unified Knowledge System

BjornMelin

A comprehensive unified knowledge management system integrating multiple data sources with advanced search capabilities

★ 7updated a year agoMIT
52
26

Selene

Selene is a desktop app that runs AI agents on your machine. Connect them to your WhatsApp, Telegram, Slack, or Discord. Write code, generate images, build personal assistants. Al…

52
27

Atomic

Self-hosted, semantically-connected personal knowledge base

52
28

Knowledge Base Server

Make every AI agent you use smarter. Persistent memory with SQLite FTS5, MCP server, Obsidian sync, and self-learning intelligence pipeline.

52
29

Llmwiki

Open Source Implementation of Karpathy's LLM Wiki. Upload documents, connect your Claude account via MCP, and have it write your wiki !

52
30

MindOS

MindOS is a Human-AI Collaborative Mind System, where human thinks and agents act. Globally sync your mind for all agents: transparent, controllable, and evolving symbiotically.

52
31

AI Localbase

一个本地优先的AI知识库系统(RAG),用于把本地文档接入辅导搜索与大模型对话流程。目前支持md、txt、pdf(文本)、xlsx、cvs类型。支持mcp服务

52
32

Stash

Shared memory for your team's coding agents

52
33

Arkon

Arkon gives organizations centralized control over how employees use any Ai Client. Admins manage resources, access policies, and workspace contexts from a single portal. Employee…

52
34

Awesome Openclaw Ob

OpenClaw 深度研究 Obsidian 知识库 | 351 篇笔记 · 3250+ 双链 · 100 张配图 · 9 大主题 | AI Agent 最全中文知识图谱

52
35

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…

52
36

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…

52
37

Open Reverselab

Open-source reverse engineering lab: 197-article knowledge base + MCP tools + CTF/APK/PE automation toolchain. Agent-native. Note:由于场景原因,目前有让几乎所有AI都会越狱的bug,暂时不修😉

52
38

Edgeever

Serverless, 100% free, and open-source Evernote alternative on Cloudflare with native MCP | 无需服务器、0费用、原生支持 AI Agent 的开源自托管『印象笔记』

52
39

Specrag

面向 PRD、业务规则、SOP、流程文档和产品截图的证据型 RAG 知识库。

52
40

PharosRAG

Pharos — local-first agentic RAG for your team's document library: multi-format ingest, hybrid retrieval, enterprise ACL, dual HTTP + MCP exits.

52
41

Sentient Os

An on-device LLM understands your entire life, then proactively offers to get your work done through computer use.

52
42

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.

52
43

Gno

Local semantic search for your documents. Index Markdown, PDF, and Office files with hybrid BM25 + vector search.

47
44

OpenDocuments

Open source RAG tool for AI document search - connect GitHub, Notion, Google Drive and ask questions with cited answers. Self-hosted with Ollama/OpenAI/Claude.

44
45

LLM Wiki

Git-backed wiki engine with MCP server — build knowledge that compounds

44
46

Modular Context Obsidian Plugin

Modular Context | Karpathy LLM Knowledge Base + Gmail & G-Cal — multi-account MCP server for Claude Code, encrypted local-first

44
47

Beever Atlas

Your First LLM-Wiki Conversation Knowledge Base

44
48

Remindb

An agentic memory database that cuts session tokens by 75–99%. One portable SQLite file — your agent's memory, anywhere.

44
49

Yopedia

A wiki designed for both humans and agents to read and write.

44
50

Engramory

A portable memory protocol for AI agents — load it as standing rules; a curation discipline + reference spec + optional cap hook.

44
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