Mcp Database Server
by
Provides Claude with direct access to SQLite, SQL Server, PostgreSQL, and MySQL databases through an MCP server.
Mcp Database Server Overview
What is Mcp Database Server about?
Mcp Database Server enables Claude to interact with various relational databases (SQLite, SQL Server, PostgreSQL, MySQL) by exposing a set of query and schema‑management tools via the Model Context Protocol.
How to use Mcp Database Server?
- Installation – clone the repo, run
npm install, and build withnpm run build. - Direct usage – install the package globally with
npm install -g @executeautomation/database-serveror usenpxto run it without a global install. - Run the server – invoke the compiled
index.jswith the appropriate flags for the target database (e.g.,node dist/src/index.js /path/to/db.sqlitefor SQLite, or use--sqlserver,--postgresql,--mysqlflags for other databases). - Configure Claude Desktop – add entries to
claude_desktop_config.jsonthat point to the command and arguments for each database type.
Key features
- Unified MCP interface for four major relational databases.
- Supports both standard credentials and AWS IAM authentication for MySQL.
- Built‑in tools:
read_query,write_query,create_table,alter_table,drop_table,list_tables,describe_table,export_query,append_insight,list_insights. - Optional SSL and connection‑timeout parameters for secure and reliable connections.
- Easy global installation via npm or on‑the‑fly execution with
npx.
Use cases
- Enable Claude to fetch, analyze, and modify business data stored in existing SQL databases.
- Automate report generation by running SELECT queries and exporting results as CSV/JSON.
- Perform schema migrations or introspection directly from Claude commands.
- Securely access Amazon RDS MySQL instances using IAM authentication without managing passwords.
FAQ
Q: Do I need to build the project before using it?
A: Not if you use the npm package with npx; the pre‑built binary will be fetched automatically. Building is only required for local development.
Q: Which Node.js version is required? A: Node.js 18 or newer.
Q: How do I connect to a SQL Server using Windows Authentication?
A: Omit the --user and --password flags; the server will fall back to Windows Authentication.
Q: Can I run multiple database servers simultaneously? A: Yes. Configure separate entries in Claude Desktop for each database type or instance.
Q: Where are the configuration files for Claude Desktop located?
A: macOS – ~/Library/Application Support/Claude/claude_desktop_config.json; Windows – %APPDATA%\Claude\claude_desktop_config.json; Linux – ~/.config/Claude/claude_desktop_config.json.
Mcp Database Server's README
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/executeautomation/mcp-database-server.git
cd mcp-database-server
- Install dependencies:
npm install
- Build the project:
npm run build
Usage Options
There are two ways to use this MCP server with Claude:
- Direct usage: Install the package globally and use it directly
- Local development: Run from your local development environment
Direct Usage with NPM Package
The easiest way to use this MCP server is by installing it globally:
npm install -g @executeautomation/database-server
This allows you to use the server directly without building it locally.
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
Standard Authentication
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)
AWS IAM Authentication
For Amazon RDS MySQL instances with IAM database authentication:
Prerequisites:
- AWS credentials must be configured (the RDS Signer uses the default credential provider chain)
- Configure using one of these methods:
aws configure(uses default profile)AWS_PROFILE=myprofileenvironment variableAWS_ACCESS_KEY_IDandAWS_SECRET_ACCESS_KEYenvironment variables- IAM roles (if running on EC2)
node dist/src/index.js --mysql --aws-iam-auth --host <rds-endpoint> --database <database-name> --user <aws-username> --aws-region <region>
Required parameters:
--host: RDS endpoint hostname--database: Name of the database--aws-iam-auth: Enable AWS IAM authentication--user: AWS IAM username (also the database user)--aws-region: AWS region where RDS instance is located
Note: SSL is automatically enabled for AWS IAM authentication
Configuring Claude Desktop
Direct Usage Configuration
If you installed the package globally, configure Claude Desktop with:
{
"mcpServers": {
"sqlite": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"/path/to/your/database.db"
]
},
"sqlserver": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--sqlserver",
"--server", "your-server-name",
"--database", "your-database-name",
"--user", "your-username",
"--password", "your-password"
]
},
"postgresql": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--postgresql",
"--host", "your-host-name",
"--database", "your-database-name",
"--user", "your-username",
"--password", "your-password"
]
},
"mysql": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--mysql",
"--host", "your-host-name",
"--database", "your-database-name",
"--port", "3306",
"--user", "your-username",
"--password", "your-password"
]
},
"mysql-aws": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--mysql",
"--aws-iam-auth",
"--host", "your-rds-endpoint.region.rds.amazonaws.com",
"--database", "your-database-name",
"--user", "your-aws-username",
"--aws-region", "us-east-1"
]
}
}
}
Local Development Configuration
For local development, configure Claude Desktop to use your locally built version:
{
"mcpServers": {
"sqlite": {
"command": "node",
"args": [
"/absolute/path/to/mcp-database-server/dist/src/index.js",
"/path/to/your/database.db"
]
},
"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"
]
},
"mysql-aws": {
"command": "node",
"args": [
"/absolute/path/to/mcp-database-server/dist/src/index.js",
"--mysql",
"--aws-iam-auth",
"--host", "your-rds-endpoint.region.rds.amazonaws.com",
"--database", "your-database-name",
"--user", "your-aws-username",
"--aws-region", "us-east-1"
]
}
}
}
The Claude Desktop configuration file is typically located at:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json - Linux:
~/.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 |
|---|---|---|
read_query |
Execute SELECT queries to read data | query: SQL SELECT statement |
write_query |
Execute INSERT, UPDATE, or DELETE queries | query: SQL modification statement |
create_table |
Create new tables in the database | query: CREATE TABLE statement |
alter_table |
Modify existing table schema | query: ALTER TABLE statement |
drop_table |
Remove a table from the database | table_name: Name of tableconfirm: Safety flag (must be true) |
list_tables |
Get a list of all tables | None |
describe_table |
View schema information for a table | table_name: Name of table |
export_query |
Export query results as CSV/JSON | query: SQL SELECT statementformat: "csv" or "json" |
append_insight |
Add a business insight to memo | insight: Text of insight |
list_insights |
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
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Mcp Database Server's Information
- Author
- executeautomation
- Category
- Databases
- Language
- TypeScript
- License
- MIT License
- Version
- v1.1.0
- Stars
- 157
- Updated
- 21 days ago
Configuration
{
"mcpServers": {
"sqlite": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"/path/to/your/database.db"
],
"env": {}
},
"sqlserver": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--sqlserver",
"--server",
"<your-server-name>",
"--database",
"<your-database-name>",
"--user",
"<username>",
"--password",
"<password>"
],
"env": {}
},
"postgresql": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--postgresql",
"--host",
"<your-host-name>",
"--database",
"<your-database-name>",
"--user",
"<username>",
"--password",
"<password>"
],
"env": {}
},
"mysql": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--mysql",
"--host",
"<your-host-name>",
"--database",
"<your-database-name>",
"--port",
"3306",
"--user",
"<username>",
"--password",
"<password>"
],
"env": {}
},
"mysql-aws": {
"command": "npx",
"args": [
"-y",
"@executeautomation/database-server",
"--mysql",
"--aws-iam-auth",
"--host",
"<your-rds-endpoint.region.rds.amazonaws.com>",
"--database",
"<your-database-name>",
"--user",
"<aws-username>",
"--aws-region",
"<region>"
],
"env": {}
}
}
}Configure Clients
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