Popular MCP Servers

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  ArcadeDB Multi-Model DBMSofficial

  ArcadeData

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  ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

  Last updated 2026-05-28

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  Apache 2.0
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  Baidu Vector Database MCPofficial

  baidu

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  A server that provides access to Baidu Cloud Vector Database functionality through the Model Context Protocol, enabling LLM applications to perform vector searches and database operations via natural language.

  Last updated 2025-05-08

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  Apache 2.0
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  Pinecone Developer MCPofficial

  pinecone-io

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  Pinecone Developer MCP

  Last updated 2026-05-09

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  Apache 2.0
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  Redis MCP Serverofficial

  redis

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  The official Redis MCP Server is a natural language interface designed for agentic applications to efficiently manage and search data in Redis.

  Last updated 2026-05-20

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  MIT
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  mcp-server-qdrantofficial

  qdrant

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  This repository is an example of how to create a MCP server for Qdrant, a vector search engine.

  Last updated 2026-05-20

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  1,406

  Apache 2.0
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  CPersonaofficial

  Cloto-dev

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  Persistent AI memory server with 3-layer hybrid search (vector + FTS5 + keyword), confidence scoring via Reciprocal Rank Fusion, episodic/profile memory, and 16 tools. Zero LLM dependency. Works standalone with Claude Desktop and Claude Code. MIT licensed.

  Last updated 2026-05-26

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  MIT

• Nordic Financial MCP

  AIDataNordic

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  Semantic search over Nordic economic data — market announcements, quarterly reports (162 companies), macro data (NO/SE/DK/FI), commodity prices, and press releases. 180,000+ vectors.

  Last updated 2026-05-19

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  MIT
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  Chroma MCP Serverofficial

  chroma-core

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  A server that provides data retrieval capabilities powered by Chroma embedding database, enabling AI models to create collections over generated data and user inputs, and retrieve that data using vector search, full text search, and metadata filtering.

  Last updated 2025-09-17

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  Apache 2.0
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  Zilliz MCP Serverofficial

  zilliztech

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  Enables AI agents to interact with Milvus vector databases and Zilliz Cloud through natural language, allowing users to create clusters, manage collections, insert vector data, and perform semantic searches directly from their AI assistants.

  Last updated 2025-07-03

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  Apache 2.0

• Chroma MCP Server

  privetin

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  A Model Context Protocol server providing vector database capabilities through Chroma, enabling semantic document search, metadata filtering, and document management with persistent storage.

  Last updated 2025-01-01

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  MIT

• Memory MCP

  gregpriday

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  An MCP server that provides AI assistants with persistent, semantic memory using Turso for storage and OpenAI for vector search. It enables natural language operations to store, retrieve, and refine information with automatic duplicate detection and quality validation.

  Last updated 2026-03-10

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  MIT

• knowledge-rag

  lyonzin

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  Local RAG system for Claude Code with hybrid search (semantic + BM25), cross-encoder reranking, markdown-aware chunking, and 12 MCP tools. Zero external servers, pure ONNX in-process.

  Last updated 2026-05-26

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  MIT

• CockroachDB MCP Server

  amineelkouhen

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  A natural language interface that enables LLMs and agentic applications to manage, monitor, and query data in CockroachDB through MCP (Model Content Protocol).

  Last updated 2026-01-25

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  10

  Python

  MIT

• PinRAG

  ndjordjevic

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  RAG MCP server for PDFs, YouTube, GitHub repos, and Discord exports. Index documents and query with citations via LangChain and Chroma.

  Last updated 2026-04-10

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  MIT

• MCP Power - Knowledge Search

  wspotter

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  Enables semantic search across multiple knowledge datasets using FAISS vector embeddings, allowing natural language queries to find relevant documents with fast retrieval.

  Last updated 2025-11-30

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• Engram

  staticroostermedia-arch

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  Headless geometric memory engine for AI agents — no Vector DB, no cloud, no API key. Store and retrieve by meaning using native Vector Symbolic Architecture (NVSA) math over O_DIRECT NVMe mapping. Runs entirely on your machine via MCP.

  Last updated 2026-05-07

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  AGPL 3.0

• MemoVault

  Blvckjs96

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  A personal memory system that provides AI assistants with long-term memory capabilities through semantic search and vector storage. It enables Claude Code to store, retrieve, and manage personal context and project preferences using flexible LLM backends.

  Last updated 2026-04-17

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  MIT

• memento-mcp

  gannonh

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  Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.

  Last updated 2025-10-27

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  MIT

• food-recipe-mcp

  AIDataNordic

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  A production-grade semantic search server for food recipes — built for AI agents using the Model Context Protocol (MCP). Search across 50,000+ recipes with hybrid dense + sparse retrieval and cross-encoder reranking.

  Last updated 2026-05-20

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  MIT

• MCP Memory Service

  doobidoo

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  Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.

  Last updated 2026-05-28

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  Apache 2.0