Vector Databases

Specialized database systems designed for storing, indexing, and querying high-dimensional vector embeddings. Enables similarity search, semantic retrieval, and powering features like AI context retrieval, nearest neighbor search, and RAG workflows for LLMs.

MCP ServersBrowse all →

food-recipe-mcp
RAG Systems Search Vector Databases
AIDataNordic
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license
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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
14
2
MIT
Nordic Financial MCP
Finance RAG Systems Vector Databases
AIDataNordic
A
license
A
quality
A
maintenance
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 2026-05-12
42
6
MIT
CPersonaofficial
Knowledge & Memory Vector Databases Local
Cloto-dev
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license
A
quality
B
maintenance
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
21
1
MIT
Chroma MCP Serverofficial
Vector Databases RAG Systems Knowledge & Memory
chroma-core
A
license
A
quality
D
maintenance
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
13
549
Apache 2.0
Pinecone Developer MCPofficial
RAG Systems Vector Databases Developer Tools
pinecone-io
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license
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quality
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maintenance
Pinecone Developer MCP
Last updated 2026-05-09
1
2,330
65
Apache 2.0
Baidu Vector Database MCPofficial
Vector Databases RAG Systems Hybrid
baidu
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license
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quality
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maintenance
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
14
2
Apache 2.0
mcp-server-qdrantofficial
Vector Databases RAG Systems Knowledge & Memory
qdrant
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license
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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
2
1,406
Apache 2.0
ArcadeDB Multi-Model DBMSofficial
Databases Vector Databases RAG Systems
ArcadeData
F
license
A
quality
A
maintenance
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 2026-05-26
2
10
898
Redis MCP Serverofficial
Databases RAG Systems Vector Databases
redis
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license
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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 2026-05-13
51
509
MIT
Zilliz MCP Serverofficial
Vector Databases RAG Systems Databases
zilliztech
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license
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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
16
34
Apache 2.0
Vectorize MCP Server
Vector Databases RAG Systems Search
dannwaneri
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license
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quality
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maintenance
Provides semantic search capabilities by connecting Claude Desktop to a Cloudflare Workers backend powered by Vectorize. It enables natural language querying of knowledge bases using vector similarity and edge-based embedding generation.
Last updated 2026-04-26
2
MIT
MCP Memory Service
Knowledge & Memory Vector Databases RAG Systems
doobidoo
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license
B
quality
A
maintenance
Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.
Last updated 2026-05-25
3
1,881
Apache 2.0
Memory Box MCP Server
Vector Databases Knowledge & Memory RAG Systems
amotivv
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license
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quality
B
maintenance
Cline MCP integration that allows users to save, search, and format memories with semantic understanding, providing tools to store and retrieve information using vector embeddings for meaning-based search.
Last updated 2025-09-22
12
9
MIT
MCP RAG
RAG Systems Vector Databases Knowledge & Memory
santis84
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license
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quality
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maintenance
A complete MCP server for Retrieval-Augmented Generation with file management and vector memory for agents. Supports multiple document formats (PDF, DOCX, TXT, MD, CSV, JSON) with semantic search using Hugging Face embeddings and ChromaDB for efficient vector storage.
Last updated 2025-08-29
11
4
1
MIT
AWS MCP Server
Cloud Platforms Vector Databases Monitoring
Havoc24k
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license
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quality
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Enables Claude to interact with core AWS services like S3, EC2, RDS, and CloudWatch, along with a generic SDK wrapper for any AWS operation. It also supports cost monitoring and optional vector store capabilities for document ingestion and search.
Last updated 2025-11-25
10
3
The Unlicense
Context MCP
Vector Databases Knowledge & Memory RAG Systems
Raunak-dev-18
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license
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quality
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maintenance
Provides persistent context management for AI agents by storing and querying semantic information using Upstash Vector DB and Google AI embeddings. It enables semantic search, batch operations, and metadata filtering to help agents retrieve relevant stored knowledge.
Last updated 2026-02-05
6
3
MIT
Better Qdrant MCP Server
Vector Databases RAG Systems Search
wrediam
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license
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quality
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A Model Context Protocol server that enables semantic search capabilities by providing tools to manage Qdrant vector database collections, process and embed documents using various embedding services, and perform semantic searches across vector embeddings.
Last updated 2025-12-16
4
22
3
MIT
MCP Memory LibSQL
Vector Databases Knowledge & Memory RAG Systems
joleyline
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A high-performance, persistent memory system for the Model Context Protocol (MCP) providing vector search capabilities and efficient knowledge storage using libSQL as the backing store.
Last updated 2025-03-05
6
216
24
MIT
AINative ZeroDB MCP Server
Vector Databases Knowledge & Memory RAG Systems
AINative-Studio
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license
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Provides AI assistants with vector search and persistent memory capabilities using ZeroDB. Enables storing and retrieving context across sessions, semantic document search, and analytics through natural language interactions.
Last updated 2026-03-22
6
76
MIT
MCP RAG Server
RAG Systems Vector Databases Developer Tools
LuizDoPc
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Provides local Retrieval-Augmented Generation (RAG) capabilities using Ollama for embeddings and ChromaDB for vector storage. It enables users to ingest and perform semantic searches across PDF, Markdown, and TXT documents within MCP-compatible clients.
Last updated 2025-09-25
4
30
1
MIT
project-code-intelligence
Code Analysis Vector Databases RAG Systems
cvandesande
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Hardware-accelerated codebase mapping that indexes Git repositories into Postgres/pgvector and serves code search, relationships, and static analysis results via a stdio MCP server.
Last updated 2026-05-24
8
MIT
MemoVault
Knowledge & Memory Vector Databases RAG Systems
Blvckjs96
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license
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quality
C
maintenance
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
8
MIT
dakera-mcpofficial
Knowledge & Memory Vector Databases Autonomous Agents
Dakera-AI
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license
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quality
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maintenance
Self-hosted MCP-native agent memory server. Gives AI agents persistent, decay-weighted memory via 83 MCP tools — no cloud, full control. RocksDB+HNSW backend. Works with Claude Code, Cursor, and any MCP-compatible agent.
Last updated 2026-05-25
14
2
MIT
Engram
Knowledge & Memory Vector Databases Autonomous Agents
staticroostermedia-arch
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license
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quality
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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
31
6
AGPL 3.0
memento-mcp
Knowledge & Memory Databases Vector Databases
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
17
35
418
MIT
dex-kline-mcp
Blockchain Web3 & Decentralized Tech Vector Databases
kukapay
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license
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quality
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maintenance
An MCP server that streams K-line (candlestick) data from decentralized exchanges (DEXs) to power your AI agents and workflows.
Last updated 2025-07-02
1
4
MIT
Neo4j GraphRAG MCP Server
RAG Systems Databases Vector Databases
neo4j-field
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license
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quality
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maintenance
An MCP server that enables LLMs to perform semantic and fulltext searches within Neo4j while executing complex, search-augmented Cypher queries for GraphRAG applications. It provides tools for database schema discovery and supports multi-provider embeddings to facilitate advanced graph traversals.
Last updated 2026-03-26
5
2
MIT
mcp-ragchat
RAG Systems Vector Databases Web Scraping
gogabrielordonez
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license
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quality
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maintenance
An MCP server that enables RAG-powered AI chat integration for websites by crawling content, building local vector stores, and generating embeddable chat widgets. It simplifies the setup of local chat servers with support for various LLM and embedding providers.
Last updated 2026-02-20
5
4
1
MIT
Connapse
RAG Systems Knowledge & Memory Vector Databases
Destrayon
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license
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quality
C
maintenance
Self-hosted knowledge backend for AI agents. Provides 11 MCP tools for hybrid vector + keyword search, container-isolated knowledge bases, and 4 storage connectors (S3, Azure Blob, MinIO, filesystem). Built with .NET, runs via Docker.
Last updated 2026-04-30
11
11
MIT
My Finance MCP Server
Finance Vector Databases Search
xinrong-meng
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license
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quality
C
maintenance
Enables Claude to store and query personal finance transactions using semantic search. Transactions are persisted in ChromaDB and JSON, allowing natural language questions about spending trends and portfolio allocations.
Last updated 2025-11-16
4
MIT