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securityF
license-
qualityA server that enables interaction with PostgreSQL, MySQL, MariaDB, or SQLite databases through Claude Desktop using natural language queries.
Last updated -
Provides tools for connecting to and querying MySQL databases, supporting data reads, writes, schema modifications, and exports.
Allows interaction with PostgreSQL databases, providing tools for running queries, managing tables, and exporting data.
Enables running SQL queries against SQLite databases, including table creation, modification, and data manipulation.
MCP Database Server
This MCP (Model Context Protocol) server provides database access capabilities to Claude, supporting SQLite, SQL Server, PostgreSQL, and MySQL databases.
Installation
Clone the repository:
git clone https://github.com/shailesh5050/mcp-database-server.git
cd database-server
Install dependencies:
npm install
Build the project:
npm run build
Usage Options
How to Setup:
Local Development Setup
If you want to modify the code or run from your local environment:
Clone and build the repository as shown in the Installation section
Run the server using the commands in the Usage section below
Usage
SQLite Database
To use with an SQLite database:
node dist/src/index.js /path/to/your/database.db
SQL Server Database
To use with a SQL Server database:
node dist/src/index.js --sqlserver --server <server-name> --database <database-name> [--user <username> --password <password>]
Required parameters:
--server: SQL Server host name or IP address--database: Name of the database
Optional parameters:
--user: Username for SQL Server authentication (if not provided, Windows Authentication will be used)--password: Password for SQL Server authentication--port: Port number (default: 1433)
PostgreSQL Database
To use with a PostgreSQL database:
node dist/src/index.js --postgresql --host <host-name> --database <database-name> [--user <username> --password <password>]
Required parameters:
--host: PostgreSQL host name or IP address--database: Name of the database
Optional parameters:
--user: Username for PostgreSQL authentication--password: Password for PostgreSQL authentication--port: Port number (default: 5432)--ssl: Enable SSL connection (true/false)--connection-timeout: Connection timeout in milliseconds (default: 30000)
MySQL Database
To use with a MySQL database:
node dist/src/index.js --mysql --host <host-name> --database <database-name> --port <port> [--user <username> --password <password>]
Required parameters:
--host: MySQL host name or IP address--database: Name of the database--port: Port number (default: 3306)
Optional parameters:
--user: Username for MySQL authentication--password: Password for MySQL authentication--ssl: Enable SSL connection (true/false or object)--connection-timeout: Connection timeout in milliseconds (default: 30000)
Configuring Claude Desktop
Local Development Configuration
For local development, configure Claude Desktop to use your locally built version:
{
"mcpServers": {
"sqlserver": {
"command": "node",
"args": [
"/absolute/path/to/mcp-database-server/dist/src/index.js",
"--sqlserver",
"--server", "your-server-name",
"--database", "your-database-name",
"--user", "your-username",
"--password", "your-password"
]
},
"postgresql": {
"command": "node",
"args": [
"/absolute/path/to/mcp-database-server/dist/src/index.js",
"--postgresql",
"--host", "your-host-name",
"--database", "your-database-name",
"--user", "your-username",
"--password", "your-password"
]
},
"mysql": {
"command": "node",
"args": [
"/absolute/path/to/mcp-database-server/dist/src/index.js",
"--mysql",
"--host", "your-host-name",
"--database", "your-database-name",
"--port", "3306",
"--user", "your-username",
"--password", "your-password"
]
}
}
}
The Claude Desktop configuration file is typically located at:
macOS:
~/Library/Application Support/Claude/claude_desktop_config.jsonWindows:
%APPDATA%\Claude\claude_desktop_config.jsonLinux:
~/.config/Claude/claude_desktop_config.json
Available Database Tools
The MCP Database Server provides the following tools that Claude can use:
Tool | Description | Required Parameters |
| Execute SELECT queries to read data |
: SQL SELECT statement |
| Execute INSERT, UPDATE, or DELETE queries |
: SQL modification statement |
| Create new tables in the database |
: CREATE TABLE statement |
| Modify existing table schema |
: ALTER TABLE statement |
| Remove a table from the database |
: Name of table
: Safety flag (must be true) |
| Get a list of all tables | None |
| View schema information for a table |
: Name of table |
| Export query results as CSV/JSON |
: SQL SELECT statement
: "csv" or "json" |
| Add a business insight to memo |
: Text of insight |
| List all business insights | None |
For practical examples of how to use these tools with Claude, see Usage Examples.
Additional Documentation
SQL Server Setup Guide: Details on connecting to SQL Server databases
PostgreSQL Setup Guide: Details on connecting to PostgreSQL databases
Usage Examples: Example queries and commands to use with Claude
Development
To run the server in development mode:
npm run dev
To watch for changes during development:
npm run watch
Requirements
Node.js 18+
For SQL Server connectivity: SQL Server 2012 or later
For PostgreSQL connectivity: PostgreSQL 9.5 or later
License
MIT
This server cannot be installed
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