MCP Servers 49

Xiyan

io.github.xgenerationlab/xiyan_mcp_server

D◆ advisory

A Model Context Protocol (MCP) server that enables natural language queries to databases

PerformanceStudio

io.github.erikdarlingdata/performancestudio

B◆ advisory

Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension.

Mongodb Lens

io.github.furey/mongodb-lens

E◆ advisory

🍃🔎 MongoDB Lens: Full Featured MCP Server for MongoDB Databases

Opennutrition

io.github.deadletterq/mcp-opennutrition

C◆ advisory

MCP server providing access to the comprehensive OpenNutrition food database with 300,000+ food items, nutritional data, and barcode lookups

Starrocks

io.github.starrocks/mcp-server-starrocks

B◆ advisory

StarRocks MCP (Model Context Protocol) Server

Pg

io.github.ericzakariasson/pg-mcp-server

C◆ advisory

MCP Server for Postgres

Duckdb

io.github.ktanaka101/mcp-server-duckdb

E◆ advisory

A Model Context Protocol (MCP) server implementation for DuckDB, providing database interaction capabilities

Claude Patent Creator

io.github.robthepcguy/claude-patent-creator

B◆ advisory

USPTO patent creation system with MCP server + Claude Code plugin.

Taiwan Legal Db

io.github.lawchat-oss/mcp-taiwan-legal-db

C◆ advisory

台灣司法院判決 + 全國法規資料庫 MCP server · Query Taiwan legal data from any MCP AI agent

Simple Pubmed

io.github.andybrandt/mcp-simple-pubmed

C◆ advisory

MCP server for searching and querying PubMed medical papers/research database

Samyama Graph

io.github.samyama-ai/samyama-graph

B◆ advisory

Graph-vector database that queried 1 billion edges for $2.50.

PostgreSQL Ops

io.github.call518/mcp-postgresql-ops

B◆ advisory

🐘 Give AI assistants full PostgreSQL DBA superpowers — 30+ tools for performance analysis, bloat detection, lock/deadlock monitoring, autovacuum & schema in…

Pgconsole

io.github.pgplex/pgconsole

B◆ advisory

Minimal Postgres editor for speed, collaboration, and AI

Bigquery

io.github.ergut/mcp-bigquery-server

C◆ advisory

A Model Context Protocol (MCP) server that provides secure, read-only access to BigQuery datasets.

Hubspot

io.github.baryhuang/mcp-hubspot

D◆ advisory

A Model Context Protocol (MCP) server that enables AI assistants to interact with HubSpot CRM data, providing built-in vector storage and caching mechanisms…

Knowledge Graph System

io.github.aaronsb/knowledge-graph-system

C◆ advisory

Kappa Graph — κ(G).

Sp500

io.github.zhensherlock/sp500-mcp-server

C◆ advisory

An MCP server and Next.js web app for querying S&P 500 company data from Supabase, with tools for company info, news, officers, and SEC filings, plus embedde…

Turbular

io.github.raeudigerraeffi/turbular

E◆ advisory

A MCP server allowing LLM agents to easily connect and retrieve data from any database

Mxcp

io.github.raw-labs/mxcp

C◆ advisory

Model eXecution + Context Protocol: Enterprise-Grade Data-to-AI Infrastructure

Go Mysql

io.github.zhwt/go-mcp-mysql

D◆ advisory

Zero burden, ready-to-use Model Context Protocol (MCP) server for interacting with MySQL and automation.

Bridgekit

io.github.mkbhardwas12/mcp-bridgekit

D◆ advisory

Embeddable MCP stdio → HTTP bridge with background jobs & live dashboard.

Duckdb Memory

io.github.izumisy/mcp-duckdb-memory-server

D◆ advisory

MCP Memory Server with DuckDB backend

Orionbelt Analytics

io.github.ralforion/orionbelt-analytics

B◆ advisory

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for f…

Apisql

io.github.apisql-dev/apisql-mcp

C◆ advisory

一个 MCP Server 连接你的所有数据库，数据库 MCP Server 的瑞士军刀。One MCP Server for all your databases.