RAG & Vector Search MCP Servers

MCP servers matching "RAG & Vector Search" by name or description — 192 MCP servers, ranked by GitHub stars.

M

mcp-server-any-openapi

Search & Research

A MCP server that enables Claude to discover and call any API endpoint through semantic search. Intelligently chunks OpenAPI…

★ 82 MCP Server
C

CogniCore

Databases & Data

Memory, reflection and safety for AI agents. Hosted or local, no vector database.

★ 82 MCP Server Requires auth
D

DecisionNode

Knowledge & Memory

Record development decisions as structured JSON with Gemini embeddings and search them semantically from a local store shared across AI…

★ 82 MCP Server
E

epicure-mcp

Knowledge & Memory

Public read-only MCP server for the Epicure ingredient-embedding model

★ 82 MCP Server
C

crg

Version Control

Token-efficient code review knowledge graph: semantic search and call-graph resolution.

★ 76 MCP Server
K

karaage0703/mcp-rag-server

Other

★ 71 MCP Server
K

kaeru

Knowledge & Memory

Memory for LLM agents: a local graph where the agent itself keeps decisions, tasks, hypotheses and reasoning between sessions, and gets a…

★ 69 MCP Server
K

Kaimon.jl

Development

MCP server giving AI agents full access to Julia's runtime via a live Gate — code execution, introspection, debugging, testing, and…

★ 66 MCP Server
Z

ZettelForge

Security

Agentic memory for cyber threat intelligence. STIX graphs, actor aliasing, offline RAG, Sigma/YARA.

★ 66 MCP Server
G

graphrag_mcp

Search & Research

This is a MCP server I built to interact with my hybrid graph rag db.

★ 64 MCP Server
D

devrag

Knowledge & Memory

Lightweight local RAG MCP server. 40x token reduction.

★ 64 MCP Server
M

minirag-mcp

Search & Research

Local-first RAG MCP server: hybrid search over a folder of your own documents

★ 60 MCP Server
S

smart-connections-mcp

Knowledge & Memory

Local semantic search over Obsidian vaults via Smart Connections embeddings. Multi-vault, private.

★ 59 MCP Server
K

knowledge-mcp

Search & Research

A MCP server that is a locally running knowledge base with a hybrid vector and graph RAG engine using LightRAG

★ 59 MCP Server
S

srclight

Development

Code indexing with SQLite FTS5, tree-sitter and embeddings for symbol search, call graphs, git intelligence and hybrid semantic search.

★ 59 MCP Server
M

Memory-Plus

Search & Research

a lightweight, local RAG memory store to record, retrieve, update, delete, and visualize persistent "memories" across sessions—perfect for…

★ 56 MCP Server
R

rag-code-mcp

Development

Privacy-first semantic code navigation MCP server using RAG. Features deep AST multi-language support (Go, PHP/Laravel/WP, JS/TS/React,…

★ 55 MCP Server
J

jevreel

Knowledge & Memory

Search and understand videos without embeddings: contact sheets plus Jev typed decisions.

★ 54 MCP Server
T

tikoci/rosetta

Databases & Data

MCP Server with RouterOS docs + commands + products + changelogs, using SQLite-as-RAG, sourced from MikroTik

★ 54 MCP Server
O

ocpp-rag

Search & Research

MCP server with RAG knowledge base for OCPP 1.6, OCPP 2.0.1, and EV charging standards

★ 53 MCP Server
C

cortex-engine

Knowledge & Memory

Cognitive engine for AI agents — semantic memory, observations, embeddings, dream consolidation. Cloud Run service + MCP tools.

★ 51 MCP Server
D

Dragon-Brain

Knowledge & Memory

Dragon Brain — persistent long-term memory for AI agents via MCP (Model Context Protocol). Knowledge graph (FalkorDB) + vector search…

★ 51 MCP Server
S

sandraschi/calibremcp

Other

Calibre library automation via FastMCP — metadata, shelves, RAG, ai workflows. Plus webapp and tauri rust winapp

★ 51 MCP Server
V

video-db/agent-toolkit

Design & Media
Official

Server for advanced AI-driven video editing, semantic search, multilingual transcription, generative media, voice cloning, and content…

★ 49 MCP Server
C

crawl4ai-rag-mcp

Search & Research

A self-contained MCP server in docker that combines the Crawl4AI, SearXNG, and Supabase to provide AI agents and coding assistants with…

★ 47 MCP Server
R

RiMCP_hybrid

Search & Research

Rimworld Coding RAG MCP server

★ 46 MCP Server
I

ia-programming/youtube-mcp

Databases & Data

YouTube MCP Server is an AI-powered solution designed to revolutionize your YouTube experience. It empowers users to search for YouTube…

★ 46 MCP Server
S

Sense

Development

Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.

★ 46 MCP Server
P

pluck

Search & Research

MCP-native code retrieval for AI agents — 84-88% fewer read tokens, BM25F + semantic search, AST chunks, session dedup

★ 43 MCP Server
C

cocoindex-code-mcp-server

Search & Research

An RAG for code development, implemented as MCP server with cocoindex

★ 42 MCP Server
P

pdf-rag-mcp-server

Search & Research

PDF RAG server for cursor.

★ 42 MCP Server
S

serverless-rag-mcp-server

Cloud & Monitoring

★ 40 MCP Server
C

COMSOL-Multiphysics-MCP

Other

Local MCP server for COMSOL modeling workflows, validation, and RAG-assisted multiphysics automation.

★ 40 MCP Server
S

src-to-kb

Development

Convert source code repositories into searchable knowledge bases using chunking, OpenAI embeddings and GPT-5 search.

★ 40 MCP Server
R

rag-anything-mcp

Search & Research

An MCP server for rag-anything (A multi-modal RAG system)

★ 39 MCP Server
D

dense-mem

Databases & Data

Self-hosted AI agent memory server with MCP, evidence provenance, typed claims, conflict detection, embeddings, recall, PostgreSQL, and…

★ 39 MCP Server
C

cerebellum

Databases & Data

Agent-readable second brain using PostgreSQL + pgvector for semantic search and memory storage.

★ 37 MCP Server
A

aio-mcp

Productivity

🚀 All-in-one MCP server with AI search, RAG, and multi-service integrations (GitLab/Jira/Confluence/YouTube) for AI-enhanced development…

★ 36 MCP Server
K

kwanleefrmvi/mcp-rag-server

Search & Research

mcp-rag-server is a Model Context Protocol (MCP) server that enables Retrieval Augmented Generation (RAG) capabilities. It empowers Large…

★ 36 MCP Server
Q

qdrant-mcp-server

Databases & Data

MCP server for semantic search using local Qdrant vector database and OpenAI embeddings

★ 36 MCP Server
L

Local FAISS MCP Server

Knowledge & Memory

Local FAISS vector database for RAG with document ingestion, semantic search, and MCP prompts.

★ 36 MCP Server
D

design_patterns_mcp

Search & Research

MCP Server for suggestion of Design Patterns - Provides semantic search and recommendations for software design patterns

★ 35 MCP Server
G

grafema

Development

Semantic code graph: indexes a codebase into a typed graph for call-chain tracing, data-flow analysis, semantic search and invariant…

★ 35 MCP Server
A

agent-library

Knowledge & Memory

Agent Library personal knowledge base with a search and retrieval system MCP Server and CLI. Preconfigured local models and support for…

★ 33 MCP Server
P

project-rag

Search & Research

A Rust-based Model Context Protocol (MCP) server that provides AI assistants with powerful RAG (Retrieval-Augmented Generation)…

★ 33 MCP Server
E

enhanced-mcp-memory

Knowledge & Memory

An enhanced MCP (Model Context Protocol) server for intelligent memory and task management, designed for AI assistants and development…

★ 33 MCP Server
R

rust-code-mcp

Knowledge & Memory

mcp server for rust code semantic hybrid search bm25 + embeddings with tree-sitter, gpu accelerated indexing and merkle tree updates

★ 32 MCP Server
S

smg-claude-memory-mcp

Search & Research

Production-grade vector memory MCP server for Claude Code. Semantic search, per-project isolation, rules enforcement, team sharing via git.

★ 32 MCP Server
C

consensus-mcp

Search & Research

Official Consensus MCP server. Semantic search over 400M+ research papers, including all of PubMed, for Claude, ChatGPT, Cursor and any…

★ 31 MCP Server
1

1c-templates-mcp

Knowledge & Memory

MCP-сервер с семантическим поиском по шаблонам кода 1С (BSL). 2200+ шаблонов, CRUD веб-UI с Monaco Editor, ChromaDB + embeddings.

★ 31 MCP Server
G

get-sema/sema

Search & Research

Local semantic code index and MCP server for Claude Code, Codex, and opencode. Includes semantic search, reuse checks, impact analysis,…

★ 31 MCP Server
A

agentset-ai/mcp-server

Search & Research

RAG MCP for your [Agentset](https://agentset.ai/) data.

★ 30 MCP Server
J

jenkins-mcp-enterprise

Development

The most advanced Jenkins MCP server available - Enterprise debugging, multi-instance management, AI-powered failure analysis, vector…

★ 30 MCP Server
V

vectara-mcp

Search & Research

Access Vectara's RAG-as-a-service platform.

★ 30 MCP Server
L

lexis

Knowledge & Memory

Lexical + structural code search MCP server for Claude Code, Cursor, Windsurf and any MCP client. Gives AI assistants 28 precise search…

★ 29 MCP Server
D

DocPull

Other

Sync public web sources into cited context packs for AI agents, RAG, and MCP clients.

★ 29 MCP Server
S

searchpin

Search & Research

Self-hosted web search for AI agents — zero API keys, embedding rerank, multi engine parallel search

★ 28 MCP Server
R

rag-rat

Development

Repository intelligence, code graph, history, papertrail, and cross-agent memory for coding agents.

★ 26 MCP Server
C

caelum29/calibre-mcp

Search & Research

Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

★ 25 MCP Server
I

inkeep/mcp-server-python

Search & Research
Official

RAG Search over your content powered by [Inkeep](https://inkeep.com)

★ 25 MCP Server