DB Query MCP Server

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db-query-mcp

Introduction

db-query-mcp is a mcp tool supporting diverse database querying and exporting, featuring:

• Multi-DB Support: Full compatibility with mainstream databases (ElasticSearch, MySQL, PostgreSQL, Oracle, SQLite, etc.)
• Secure Access: Default read-only mode for data protection
• Smart Query: Natural language to SQL conversion with query optimization
• Data Export: CSV / Json export capabilities
• Roadmap: Expanding support for MongoDB and GraphDatabase to become full-stack DB query MCP

Demo

https://github.com/user-attachments/assets/60771cda-8b52-41bd-90e3-523c836f6366

Changelog

• 2025-06-02: Added support for ElasticSearch database queries

Installation

pip install db-query-mcp

ElasticSearch:

pip install "db-query-mcp[elasticsearch]"

Install from GitHub:

pip install git+https://github.com/NewToolAI/db-query-mcp

MySQL requires additional dependencies:

pip install pymysql

PostgreSQL requires additional dependencies:

pip install psycopg2-binary

For other databases, install their respective connection packages:

Database	Connection Package	Example Connection String
SQLite	Built-in Python	sqlite:///example.db
MySQL	pymysql or mysql-connector-python	mysql+pymysql://user:password@localhost/dbname
PostgreSQL	psycopg2 or psycopg2-binary	postgresql://user:password@localhost:5432/dbname
Oracle	cx_Oracle	oracle+cx_oracle://user:password@hostname:1521/sidname
SQL Server	pyodbc or pymssql	mssql+pyodbc://user:password@hostname/dbname

Configuration

Note: ​For certain clients, such as Cursor, only one db-query-mcp server can run at a time.​​

Run using uvx

{
  "mcpServers": {
      "sqlite_db_mcp": {
        "command": "uvx",
        "args": [
          "db-query-mcp",
          "--db",
          "sqlite",
          "--uri", 
          "sqlite:///sqlite_company.db"
        ]
      }
  }
}

{
  "mcpServers": {
      "es_db_mcp": {
        "command": "uvx",
        "args": [
          "db-query-mcp",
          "--db",
          "elasticsearch",
          "--uri", 
          "https://user:password@localhost:9200?index=test_data_index&ca_certs=/home/user/http_ca.crt"
        ]
      }
  }
}

Run Using command

{
  "mcpServers": {
      "sqlite_db_mcp": {
        "command": "db-query-mcp",
        "args": [
          "--db",
          "sqlite",
          "--uri", 
          "sqlite:///sqlite_company.db"
        ]
      }
  }
}

{
  "mcpServers": {
      "es_db_mcp": {
        "command": "db-query-mcp",
        "args": [
          "--db",
          "elasticsearch",
          "--uri", 
          "https://user:password@localhost:9200?index=test_data_index&ca_certs=/home/user/http_ca.crt"
        ]
      }
  }
}