Search and retrieval (RAG) MCP servers

1,827 servers

Index your own content and search it by meaning (retrieval-augmented generation, RAG).

Filter and sort these servers

Start from the first servers

Contextual io.github.NitishGourishetty/contextual-mcp-server

RAG-enabled MCP server using Contextual AI. Supports single-agent and multi-agent modes.

Version check not run yet

Search and retrieval (RAG) Official MCP Registry · PyPI Local
@imenam/mcp-documentor com.npmjs.imenam/mcp-documentor

MCP server to create, manage and search project documentation with staleness tracking and semantic search.

Version check not run yet

Docs and knowledge bases npm Local 556 a week ISC
@flinkhouse/mcp-server-elasticsearch io.github.zhangjianhrm/mcp-server-elasticsearch

Elasticsearch MCP Server

Version check not run yet

Search and retrieval (RAG) npm Local APACHE-2.0
openwebui-mcp-server io.github.marccyberleda/openwebui-mcp-server

MCP server for Claude Code and Claude Desktop to interact with Open WebUI — manage chats, RAG knowledge bases, functions, and more.

Version check not run yet

Docs and knowledge bases npm Local 4 a week MIT
@mcpflow.io/mcp-ragdocs-mcp-server io.github.heltonteixeira/ragdocs-ak5jrw

基于 RAG 的文档搜索和管理的 MCP 服务器

Version check not run yet

Search and retrieval (RAG) npm Local APACHE-2.0
Elasticsearch io.github.cr7258/elasticsearch-mcp-server

MCP server for interacting with Elasticsearch

Version check not run yet

Search and retrieval (RAG) Official MCP Registry · PyPI Local
mdya io.github.yoshihirosuzuki/mdya

Local Markdown retrieval primitive (BM25 + on-device vector + MCP).

Version check not run yet

Search and retrieval (RAG) crates.io · Go modules Local MIT
@red-hat-developer-hub/backstage-plugin-augment-backend io.github.redhat-developer/rhdh-plugins-augment-backend

Backend plugin for Augment - configurable AI assistant with RAG, tool calling, and safety guardrails

Version check not run yet

Search and retrieval (RAG) npm Local 24 a week APACHE-2.0
tdocs7 io.github.rafael-rueda/tdocs7

MCP Server para busca em documentação com RAG-like chunking

Version check not run yet

Search and retrieval (RAG) npm Local 13 a week ISC
basemind io.github.goldziher/basemind

Full AI context layer over MCP — tree-sitter code-map, document RAG (PDF/Office/HTML/email + OCR + reranker), shared agent memory, on-demand web crawl, git history + blame + per-symbol diff. 300+ lang

Version check not run yet

Office documents and spreadsheets crates.io Local
parisinnov-mcp io.github.martinbon39/parisinnov-mcp

MCP Server with Smart Query Builder (GLM-4.7) for RAG-powered knowledge base

Version check not run yet

Docs and knowledge bases npm Local 8 a week MIT
Memory Vault io.github.MihaiBuilds/memory-vault

Local-first AI memory layer with hybrid search. Postgres + pgvector. Self-hosted, MIT.

Version check not run yet

Memory and context Official MCP Registry Local
MCP Retrieval io.github.Role1776/mcp-retrieval

Local Go MCP server: DuckDuckGo/Bing web + image search, readability scraping to Markdown.

Version check not run yet

Web search and scraping Official MCP Registry Local
talon-mcp-server io.github.darkmice/talon-mcp-9nz2yp

MCP server for Talon multi-model data engine — SQL, KV, Vector, TimeSeries, MQ, FTS, GEO, Graph, AI

Version check not run yet

Databases npm Local 3 a week MIT
exaflow io.github.codewithkenzo/exaflow

🚀 Advanced semantic search & AI integration toolkit with Exa API and MCP server support

Version check not run yet

Web search and scraping npm Local 6 a week MIT
rag-mcp io.github.godspeedsystems/rag-mcp-server

Godspeed RAG agent

Version check not run yet

Search and retrieval (RAG) npm Local 49 a week ISC
pigx-wiki-mcp io.github.pig-mesh/pigx-knowledge-mcp

PIGX 微服务开发平台知识库助手 - 基于 Milvus 向量数据库的智能知识检索

Version check not run yet

Docs and knowledge bases npm Local 14 a week MIT
@yejianye/smart-connections-mcp io.github.yejianye/ob-smart-connections-mcp-xd4chy

MCP server for Smart Connections - semantic search for Obsidian vaults

Version check not run yet

Docs and knowledge bases npm Local 15 a week MIT
@daeseoksong/afterglow-mcp io.github.daeseoksong/afterglow-server

Afterglow MCP server — manage 퇴사자 에이전트 폴더 + persona + RAG, surfaced as Claude Code slash commands.

Version check not run yet

Search and retrieval (RAG) npm Local APACHE-2.0
@damiensmith1/cairn io.github.damiensmith1/cairn

Searchable memory for your Claude Code sessions: local hybrid search with reranking, a CLI, and an MCP server for agents.

Version check not run yet

Search and retrieval (RAG) npm Local MIT
@fk0u/ruas io.github.ourcreativity/ruas

Universal Code Intelligence Engine with Bayesian Graph Retrieval, Multi-Language ASTs & MCP Integration

Version check not run yet

Developer tools npm Local MIT
@kodrax/overseer io.github.kodrax/overseer

Cross-harness requirements registry and Agile board for coding agents: MCP server, CLI and local web board backed by SQLite with local embeddings.

Version check not run yet

Search and retrieval (RAG) npm Local APACHE-2.0
deepseek-web-retrieval io.github.gwokhou/deepseek-web-retrieval

Token-efficient DeepSeek Search and Fetch for coding agents, starting with OpenCode v2.

Version check not run yet

Model and agent tools npm Local MIT
smallright io.github.kogasura/smallright

AI-friendly browser automation MCP server that reduces token consumption by zone-based partial DOM retrieval

Version check not run yet

Browser automation npm Local MIT
whimsicality-mcp io.github.whimsicalitylabs/whimsicality-mcp

MCP server providing persistent agent memory and BM25 document retrieval with safe cross-process coordination.

Version check not run yet

Memory and context npm Local MIT
zeph-acp io.github.bug-ops/zeph-gbgv6d

ACP (Agent Client Protocol) server for IDE embedding

Version check not run yet

Developer tools crates.io Local
@kaspnilsson/mcp-memory-supabase io.github.kaspnilsson/mcp-memory-supabase

MCP Knowledge Graph Memory Server with Supabase + pgvector for semantic search

Version check not run yet

Memory and context npm Local 3 a week MIT
viberag io.github.mdrideout/viberag

Local code RAG for AI coding assistants - semantic search via MCP server

Version check not run yet

Coding agent tools npm Local 4 a week AGPL-3.0
brief-mcp io.github.marlowetal653/innovhack

Brief MCP - Context-first development with RAG-powered knowledge base

Version check not run yet

Docs and knowledge bases npm Local 6 a week MIT
deepmatch-mcp io.github.657kb/deepmatch-mcp

Semantic code search server for MCP, powered by vector embeddings and Qdrant

Version check not run yet

Search and retrieval (RAG) npm Local 6 a week MIT
@sukep/engram io.github.kuruusuniku/engram

MCP server for persistent memory - stores, searches, and associates conversation logs using hybrid search (FTS5 + vector) with A-MEM style note structuring

Version check not run yet

Memory and context npm Local 1 a week MIT
qmd-cloud io.github.tarkeztarkez/qmd-cloud

Query Markup Documents - On-device hybrid search for markdown files with BM25, vector search, and LLM reranking

Version check not run yet

Search and retrieval (RAG) npm Local 2 a week MIT
org-mcp-server io.github.szaffarano/org-mcp-server

Model Context Protocol (MCP) server providing AI assistants with access to org-mode knowledge bases through search, content retrieval, and ID-based lookups

Version check not run yet

Docs and knowledge bases crates.io Local
@indokq/memory-mcp io.github.indokq/memory-mcp

MCP server for semantic memory and codebase search with LanceDB and Voyage AI embeddings

Version check not run yet

Search and retrieval (RAG) npm Local 6 a week MIT
sct-rs io.github.pacharanero/sct

Local-first SNOMED CT toolchain: RF2 → NDJSON, SQLite, Parquet, Markdown, Arrow embeddings, and MCP server

Version check not run yet

Search and retrieval (RAG) crates.io Local
scout-mcp io.github.terragon-labs/scout-mcp

Scout MCP server for enhanced coding context via vector search and RAG

Version check not run yet

Search and retrieval (RAG) npm Local 22 a week MIT
breadcrumb-mcp io.github.amantiwari57/breadcrumb-mcp

MCP Server for storing and retrieving user conversation breadcrumbs with semantic search using LlamaIndex

Version check not run yet

Search and retrieval (RAG) npm Local 28 a week MIT
@mcpservers/ragdocs io.github.heltonteixeira/ragdocs-971tm5

MCP server for RAG-based document search and management

Version check not run yet

Search and retrieval (RAG) npm Local MIT
@intellara/trovegen-mcp com.npmjs.intellara/trovegen-mcp

MCP server for troveGEN — gives any MCP-capable agent grounded, cited answers, hybrid search, and exact table computation over troveGEN knowledge bases.

Version check not run yet

Docs and knowledge bases npm Local 403 a week APACHE-2.0
memforge io.github.memforgeai/memforge

The open-source memory layer for AI agents — MCP server backed by PostgreSQL + pgvector + Apache AGE

Version check not run yet

Memory and context npm Local 2 a week BUSL-1.1
@codai/memorai-mcp io.github.codai-ecosystem/codai-project

MemorAI Advanced MCP Server - CBD-Based High-Performance Vector Memory System with HTTP/SSE Support

Version check not run yet

Memory and context npm Local 30 a week MIT
@zhadyz/mnemosyne-mcp io.github.zhadyz/mnemosyne-mcp

Mnemosyne MCP: FREE Local Embeddings for Knowledge Graph Memory - No API Keys Required

Version check not run yet

Memory and context npm Local 14 a week MIT
@cchez/memory-mcp io.github.miuid/mcps-memory-mcp

AI memory MCP server with Qdrant vector storage and Ollama/OpenAI embeddings

Version check not run yet

Search and retrieval (RAG) npm Local 7 a week
kytip-mcp io.github.vedatonuryilmaz/dev_kytipmcp

Turnkey MCP server for note ingestion, meeting retrieval, and kytip-pm-compatible project memory orchestration.

Version check not run yet

Docs and knowledge bases npm Local 7 a week
@edgequake/mcp-server io.github.raphaelmansuy/edgequake-mcp

MCP server for EdgeQuake Graph-RAG — use EdgeQuake as persistent agent memory

Version check not run yet

Memory and context npm Local 3 a week APACHE-2.0
kontex-core io.github.arekbee/kontex-kontex-core

Core engine for kontex — quality gate, MCP server, compilation, embedding, storage, hooks, auth

Version check not run yet

Files and storage npm Local 1 a week MIT
memory-mcp io.github.butterflyskies/memory-mcp

MCP server for semantic memory — pure-Rust embeddings, vector search, git-backed storage

Version check not run yet

Search and retrieval (RAG) crates.io Local
@jackjackstudios/ambiance-mcp io.github.sbarron/ambiancemcp

MCP server for code context with semantic search, AI analysis and summary

Version check not run yet

Search and retrieval (RAG) npm Local 16 a week MIT