Retrieval Augmented Generation MCP Servers

Tools that implement RAG systems with vector stores, document indexing, and semantic search to ground LLM responses in external knowledge bases. Does NOT include general search, web scraping without retrieval, or knowledge graphs without vector embeddings.

There are 63 retrieval augmented generation servers tracked. 2 score above 50 (established tier). The highest-rated is shinpr/mcp-local-rag at 62/100 with 156 stars.

Get all 63 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=mcp&subcategory=retrieval-augmented-generation&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Server Score Tier
1 shinpr/mcp-local-rag

Local-first RAG server for developers using MCP. Semantic + keyword search...

62
Established
2 nkapila6/mcp-local-rag

"primitive" RAG-like web search model context protocol (MCP) server that...

53
Established
3 AmberLee2427/nancy-brain

Nancy's RAG backend and HTTP API/MCP server connectors.

49
Emerging
4 tac0de/knowledge-to-action-mcp

MCP server for Obsidian GraphRAG, agent-ready context, preview-only...

45
Emerging
5 Daniel-Barta/mcp-rag-server

Lightweight RAG server for the Model Context Protocol: ingest source code,...

43
Emerging
6 yumeiriowl/repo-graphrag-mcp

An MCP server that uses LightRAG and Tree-sitter to build a repository...

42
Emerging
7 HaseebKhalid1507/VelociRAG

Lightning-fast RAG for AI agents. ONNX-powered, 4-layer fusion, MCP server....

41
Emerging
8 JonnoC/CodeRAG

Advanced graph-based code analysis for AI-assisted software development

40
Emerging
9 gogabrielordonez/mcp-ragchat

MCP server that adds RAG-powered AI chat to any website. One command from...

38
Emerging
10 kwanLeeFrmVi/mcp-rag-server

mcp-rag-server is a Model Context Protocol (MCP) server that enables...

38
Emerging
11 no13productions/ai-agent-history-rag-mcp

Full featured aggregation of all your AI agents in single vector database...

37
Emerging
12 khalidsaidi/ragmap

RAG MCP Registry Finder (RAGMap): subregistry API + MCP server + Firestore ingestion

35
Emerging
13 wrxck/srag

Semantic code search and RAG system written in Rust with tree-sitter...

35
Emerging
14 hyson666/pdf-rag-mcp-server

PDF RAG server for cursor.

34
Emerging
15 a-earthperson/lightrag-mcp

Streamable HTTP MCP Server for LightRAG

34
Emerging
16 PranithChowdary/Real-time-web-search-RAG-with-MCP

A conversational agent that combines static knowledge (RAG over your docs)...

34
Emerging
17 shabib87/supernova-mcp-rag

A practical POC demonstrating how to build and run a local MCP server with...

32
Emerging
18 fvanevski/lightrag_mcp

MCP server for accessing local LightRAG deployment.

30
Emerging
19 ryan-m-bishop/docrag

AI-powered documentation RAG system with MCP server for Claude Code. Search...

30
Emerging
20 jvanmelckebeke/mcp-synaptic

Memory-enhanced MCP server with local RAG database and expiring memory capabilities

25
Experimental
21 srfrog/goldie-mcp

Retrieval-Augmented Generation (RAG) MCP server written in Go that runs...

24
Experimental
22 musoukun/ragdb-mcp

MCP対応のRAGシステム。Markdownドキュメントをベクトル化し、自然言語で高速検索。LibSQL、Qdrant、PostgreSQLに対応してます。

23
Experimental
23 uiqkos/llamacloud-rag-mcp

🦙 Professional MCP server for LlamaCloud RAG - TypeScript implementation...

23
Experimental
24 agarwalvishal/mcp-rag-server

MCP RAG server — local embeddings, your docs never leave your machine....

22
Experimental
25 anton-lunden/inkdex

RAG for your markdown docs, exposed over MCP. Local embeddings, zero config.

22
Experimental
26 node2flow-th/gemini-files-search-rag-mcp-community

MCP server for Gemini RAG — manage File Search stores, upload documents,...

21
Experimental
27 M-vdBerg/GraphRAG

Graph-based RAG system: markdown files → PostgreSQL+AGE graph → MCP server

21
Experimental
28 hensing/searchless-ngx

Stop searching your documents. Start asking them. Transform Paperless-ngx...

21
Experimental
29 rexnzm/MCP-rag-with-Chromadb

🗂️ Build a versatile MCP server with RAG capabilities, supporting multiple...

21
Experimental
30 leomarviegas/Ollqd

MCP client-server RAG system — index codebases & documents into Qdrant using...

21
Experimental
31 dzikrisyairozi/rag-mcp-pipeline-research

A learning repository exploring Retrieval-Augmented Generation (RAG) and...

21
Experimental
32 umiii100/local-rag-server

Deploy a local, multi-user RAG system to query PDF and DOCX documents using...

21
Experimental
33 gillisandrew/dprr-mcp

Natural-language prosopographic queries for the Roman Republic. Generates...

21
Experimental
34 mohandshamada/RAG-MCP

Rag MCP server for ai documentation

21
Experimental
35 boxcalfdevelopmentallearning748/OpenScout

🔍 Enhance your queries with OpenScout, a RAG system that retrieves, ranks,...

21
Experimental
36 kasssandr/archilles

Calibre RAG for researchers: page-level citations and LLM access via MCP....

21
Experimental
37 BrijeshRakhasiya/Agentic-Doc-Search-RAG

Self-corrective Agentic RAG with LangGraph - eliminates hallucinations...

21
Experimental
38 torkian/rag-mcp-server

A Model Context Protocol (MCP) server for RAG applications that connects to...

21
Experimental
39 aniketpoojari/OmniDoc-QA-LLM-RAG

Agentic NL-to-SQL assistant using Model Context Protocol (MCP) with...

21
Experimental
40 CyprianFusi/MCP-rag-with-Chromadb

A powerful MCP (Model Context Protocol) server that provides RAG...

19
Experimental
41 nateislas/PyRag

PyRag is an MCP (Model Context Protocol) server that provides AI coding...

18
Experimental
42 mohllal/markdown-rag-mcp

📖 A Retrieval-Augmented Generation (RAG) MCP server for markdown...

17
Experimental
43 SAKET-SK/RAG-MCP-Project

An intelligent HR assistant that orchestrates multiple data sources using...

17
Experimental
44 agarwalvishal/MCP-Powered-Agentic-RAG-Application

A fully functional and intelligent application capable of fielding complex...

17
Experimental
45 CyprianFusi/mcp-rag-chroma-streamlit

A production-ready Retrieval-Augmented Generation (RAG) application built...

17
Experimental
46 lalitsuryan/lightragmcp

Model Context Protocol (MCP) server for LightRAG - 30+ tools for RAG and...

17
Experimental
47 norandom/ragflow-claude-desktop-local-mcp

RAGflow at your GenAI flows - for expert-knowledge access based of complex documents

16
Experimental
48 krokozyab/ofrag

Agentic SQL & RAG engine (MCP server) for Oracle Fusion. Features local...

15
Experimental
49 thebardchat/shanebrain_mcp

27-tool MCP server for Weaviate RAG + Ollama on Raspberry Pi 5 — knowledge,...

14
Experimental
50 diwushennian4955/velocirag-nexaapi-tutorial

VelociRAG + NexaAPI: Lightning-Fast RAG Pipeline for AI Agents (No PyTorch!)...

14
Experimental
51 modpotatodotdev/ASTRA

AST-driven RAG with vector biased A* graph traversal

14
Experimental
52 mayankag22/RAG_demo_with_monitor

This application takes input from user via PDF and databricks table, updates...

14
Experimental
53 ArthurSrz/graphRAGmcp

Repo for the MCP of the law graph

14
Experimental
54 Pavansomisetty21/MCP-Powered-PDF-Retrieval-Augmented-Generation-Assistant

In this we implemented RAG Architecture using MCP

13
Experimental
55 nabojyoti/agentic-rag-a2a-mcp

A unified AI agent system integrating Retrieval-Augmented Generation (RAG),...

13
Experimental
56 cgaeking/rlm-connector

Your complete documents folder READONLY as a RLM knowledge base MCP server...

13
Experimental
57 ydkulks/rag-template

Project template for creating RAG pipeline

13
Experimental
58 Renewdxin/web-rag-fusion-mcp-server

A powerful RAG (Retrieval-Augmented Generation) server with dynamic...

13
Experimental
59 evokateur/rag-knowledge-mcp

My RAG knowledge base MCP server

13
Experimental
60 kshidenko/rag-memory-pg-mcp

PostgreSQL-based RAG Memory MCP Server with Supabase - hybrid semantic...

13
Experimental
61 AP3X-Dev/RIG

Runtime Integration Gateway is the fastest way to ship safe agent tools....

13
Experimental
62 sayeedajmal/personalGPT

An autonomous AI agent with MCP (Model Context Protocol) integration,...

13
Experimental
63 ahardy42/devdocs-rag-mcp

MCP server with RAG tooling for developer docs

11
Experimental