Search and retrieval (RAG) MCP servers

1,824 servers

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

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mcp-memory-lancedb-pro io.github.bcornish1797/mcp-memory-lancedb-pro

Full-featured long-term memory system for Claude Code via MCP — hybrid retrieval, smart extraction, auto-capture, intelligent forgetting

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Memory and context npm Local 6 a week MIT
memo-rag io.github.felippefarias/memo-rag

Persistent memory CLI with knowledge graph + RAG vector search. 28 tools via ragm call.

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Search and retrieval (RAG) npm Local 3 a week MIT
@dolusoft/hirebase-mcp io.github.dolusoft/hirebase-dwkm7z

HireBase - AI-powered CV search engine with LanceDB and MCP

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Web search and scraping npm Local 6 a week MIT
@maderwin/vector-wiki-mcp io.github.maderwin/vector-wiki-mcp

MCP server for semantic search over markdown wiki memory

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Docs and knowledge bases npm Local
memory-safe io.github.eljoesb/memory-safe

MCP memory server for Claude Code — knowledge graph in SQLite, local ONNX embeddings, token-budgeted retrieval

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Memory and context npm Local 3 a week MIT
memmolt io.github.rituraj-io/memmolt

Structured, searchable, long-term memory for AI agents. Hybrid FTS5 + vector search over a local SQLite store, exposed via MCP.

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Memory and context npm Local 3 a week MIT
@smallthinkingmachines/semantic-code-mcp io.github.smallthinkingmachines/semantic-code-mcp

MCP server for semantic code search using AST-aware chunking and vector embeddings

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Search and retrieval (RAG) npm Local 7 a week MIT
opencode-personal-knowledge io.github.nocturnlabs/opencode-personal-knowledge-n74mgj

Personal knowledge MCP server with vector database for the Opencode ecosystem

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Docs and knowledge bases npm Local 30 a week MIT
spartan-ui-mcp io.github.nicolasaev/spartan-ui-mcp

MCP server for Spartan UI — RAG-powered documentation search, CLI command generation and project inspection.

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Docs and knowledge bases npm Local 4 a week MIT
@gmvp3/qmd-chinese io.github.gmvp3/qmd-chinese

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

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Search and retrieval (RAG) npm Local 3 a week MIT
vector-embedding-mcp-server io.github.sandeepmehta/vector-embedding-mcp-server

MCP Server for AI Embedding and RAG functionality

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Search and retrieval (RAG) npm Local 46 a week ISC
mnemo-mcp io.github.skye-flyhigh/mnemo-mcp

Portable cognitive memory MCP server with semantic search and decay

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Memory and context npm Local 7 a week MIT
pk-qmd io.github.kingkillery/pk-qmd

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

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Search and retrieval (RAG) npm Local 3 a week MIT
@chrisreedio/fontawesome-pro-mcp io.github.chrisreedio/fontawesome-mcp

Font Awesome Pro MCP Server for icon search and retrieval

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Design and media npm Local MIT
librainian io.github.nateschmiedehaus/librainian

Codebase knowledge and intelligence for coding agents: semantic indexing, confidence-calibrated retrieval, quality gates, and self-healing onboarding.

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Coding agent tools npm Local 5 a week MIT
@promptingbox/mcp io.github.promptingbox/mcp

MCP server for PromptingBox — save, search, and discover prompts from Claude, Cursor, and ChatGPT with AI-powered semantic search

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Model and agent tools npm Local 5 a week MIT
@jordnlvr/mendix-mcp-server io.github.jordnlvr/mendix-mcp-server

Self-learning MCP server for Mendix development with semantic vector search, auto-harvesting, project & theme analysis, and Beast Mode research

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Search and retrieval (RAG) npm Local 28 a week MIT
hive-mcp-server io.github.studioraming/hive-mcp-server

Hive MCP server — AI dev session logs, plans, and semantic search via Supabase pgvector

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Search and retrieval (RAG) npm Local 7 a week MIT
supabase-foia-mcp io.github.the-hole-foundation/supabase-foia-mcp

Remote MCP server for searching U.S. FOIA statutes via Supabase. Provides hybrid search (BM25 + vector + RRF) with VoyageAI embeddings and reranking.

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Search and retrieval (RAG) npm Local 4 a week MIT
osint-agent-mcp io.github.edamame-x/osint-agent-rag

MCP server for OSINT workflows backed by local writeups

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Security npm Local 7 a week ISC
@cloud9-labs/mcp-openai io.github.cloud9-labs/mcp-openai

MCP server for OpenAI API - chat completions, embeddings, images, and audio

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Model and agent tools npm Local 10 a week MIT
mcp-local-rag-anything io.github.lzfxxx/mcp-local-rag-anything

Local RAG MCP Server with extended file support (including PPTX)

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Search and retrieval (RAG) npm Local 7 a week MIT
@ragaas/mcp io.github.vertikon/ragaas.com.br

Servidor MCP do RAGaaS — RAG e memória de agente nas suas ferramentas (Claude Code, Cursor…)

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Files and storage npm Local 1 a week MIT
@shokan/engram-mcp io.github.shokan/engram-mcp

Engram MCP server — long-term hybrid-search memory for AI agents

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Memory and context npm Local 1 a week MIT
harmonyos-best-practices-mcp io.github.2351548518/harmonyos-best-practices-mcp

MCP server exposing HarmonyOS best-practices docs + reference code for retrieval during development.

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Docs and knowledge bases npm Local 1 a week MIT
whimsicality-db io.github.whimsicalitylabs/whimsicality-db

SQLite-backed MCP server with FTS5 full-text search for truly infinite agent context. Session tracking, event logging, and paged retrieval for long-horizon tasks.

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Search and retrieval (RAG) npm Local 1 a week MIT
wiki-hub-mcp io.github.karanjot786/wiki-hub-mcp

MCP server implementing Karpathy's LLM Wiki pattern. GitHub-backed persistent wiki with BM25 full-text search.

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Docs and knowledge bases npm Local 1 a week MIT
sinyx-mcp io.github.imbasito/sinyx-mcp

MCP server for Sinyx web content extraction, Markdown conversion, and RAG-ready website ingestion.

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Web search and scraping npm Local 1 a week MIT
venice-mcp io.github.georgeglarson/venice-mcp

MCP server for Venice AI - chat, images, TTS, embeddings, and account management

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Design and media npm Local 26 a week MIT
mcp-ragchat io.github.gogabrielordonez/mcp-ragchat

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

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Communication and chat npm Local 8 a week MIT
nidus io.github.duckedup/nidus

A pure-Rust vector store with full-text search that runs anywhere Rust runs: brute-force or ANN cosine search with pluggable persistence (local files, S3, GCS), queryable via a typed API or a SQL-shap

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Files and storage crates.io Local
@node2flow/gemini-file-search-rag-mcp io.github.node2flow-th/gemini-files-search-rag-mcp-community

MCP server for Gemini RAG — manage File Search stores, upload documents, and query with AI-powered retrieval-augmented generation

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Search and retrieval (RAG) npm Local 9 a week MIT
vectara-mcp io.github.vectara/vectara-mcp-9sw5pg

A Model Context Protocol (MCP) server that provides tools from Vectara

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Search and retrieval (RAG) PyPI Local
mcp-swarm io.github.abdrabdr/mcp-swarm-3fwwk3

Universal AI agent coordination platform with 35 smart tools, encrypted Vault, embedding cascade (Ollama/OpenAI/builtin), 6 vector backends, agent profiles, scheduled tasks, plugin system, and GitHub

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Search and retrieval (RAG) npm Local 9 a week MIT
@mpxjs/mcp-server-rag io.github.mpx-ecology/mcp-server-rag-2ez55k

MCP-Server for Mpx Docs RAG

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Search and retrieval (RAG) npm Local MIT
knowledge-mgmt-mcp io.github.manimaun/knowledge-mgmt-mcp

Production-ready MCP server for document ingestion and knowledge management with vector search. Supports PDF, DOCX, TXT, MD, CSV, JSON, HTML with ChromaDB and multiple embedding providers.

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Office documents and spreadsheets npm Local 45 a week MIT
@octodet/elasticsearch-mcp io.github.octodet/elasticsearch-mcp

Octodet Elasticsearch Model Context Protocol server with advanced operations

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Search and retrieval (RAG) npm Local MIT
@gpriday/memory-mcp io.github.gregpriday/memory-mcp

A memory MCP server backed by Turso (libSQL) with OpenAI embeddings and LLM-powered query generation

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Memory and context npm Local 5 a week MIT
@mixedbread/mcp-server io.github.mixedbread-ai/openbread-mcp-server-v69s09

MCP server for Mixedbread vector store operations

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Search and retrieval (RAG) npm Local APACHE-2.0
aicx io.github.loctree/aicx

Context search and retrieval for AI-agent session history — find relevant past events, recover user intent, identify unfinished deliverables, and spot claims never backed by results

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Calendar and scheduling crates.io Local
jina-ai-mcp-server-nodejs io.github.zk-armor/mcp-jina-ai

An MCP server for Jina AI, providing tools for embeddings, reranking, and generation. NodeJS Version.

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Search and retrieval (RAG) npm Local ISC
Formmy app.formmy/formmy

Run WhatsApp AI agents: manage agents, conversations, CRM contacts, orders and RAG docs.

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Docs and knowledge bases Official MCP Registry · npm Local
Brilliant design.brilliant/mcp

Local MCP bridge: your coding agent designs on Brilliant's real vector canvas, fully on 127.0.0.1.

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Design and media Official MCP Registry · npm Local
mcp-frontend-rag io.github.wn01011/frontend-rag

MCP-based RAG server for frontend development guidelines with ChromaDB

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Search and retrieval (RAG) npm Local 39 a week MIT
zeph-mcp io.github.bug-ops/zeph-xctvk2

MCP client with multi-server lifecycle and Qdrant tool registry for Zeph

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Search and retrieval (RAG) crates.io Local
knot io.github.raultov/knot

Codebase Graph + Vector RAG Indexer for Java, TypeScript, JavaScript, Kotlin, Rust, Python, Groovy, C/C++, C#, Build Systems, and HTML/CSS codebases

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Search and retrieval (RAG) crates.io Local
@node2flow/postgrest-mcp io.github.node2flow-th/postgrest-mcp-community

MCP server for PostgREST — 10 tools for CRUD operations, filtering, resource embedding, and RPC on PostgreSQL databases via REST API

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Databases npm Local 8 a week MIT
kernl-mcp io.github.dwasnwk/project-mind-mcp

KERNL V2.0 - Persistent Intelligence Layer for AI. Transform Claude from stateless to persistent with 75 tools: crash recovery, semantic search, cross-project learning, system control, and 100% Deskto

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Search and retrieval (RAG) npm Local 15 a week MIT