MCP Servers 281

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.

Postgres

io.github.pgEdge/postgres-mcp

A✓Verified

Enterprise PostgreSQL MCP server with NL queries, hybrid search (pgvector+BM25), and web UI

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

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

C◆ advisory

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

Bigquery

io.github.ergut/mcp-bigquery-server

C◆ advisory

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

Pgconsole

io.github.pgplex/pgconsole

B◆ advisory

Minimal Postgres editor for speed, collaboration, and AI

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…

Connect your AI assistants to Keboola and expose your data, transformations, SQL queries, ...

Dynoxide

io.github.nubo-db/dynoxide

A✓Verified

A DynamoDB emulator with an MCP server exposing 35 DynamoDB tools to coding agents.

Mxcp

io.github.raw-labs/mxcp

C◆ advisory

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

Microsoft Access Database

io.github.unmateria/msaccess-database

B✓Verified

Read and edit Microsoft Access databases (.accdb/.mdb) - forms, VBA, tables, queries.

MySQL change tracking with instant row-level recovery and forensic attribution for compliance.

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.

Narwhal

io.github.nonanti/narwhal

C◆ advisory

Multi-driver TUI database client with a built-in MCP server.

Create and manage vector database indexes, backups, and collections

Database MCP server for MySQL, MariaDB, PostgreSQL & SQLite