SkySQL MCP Server

This package contains everything needed to set up the SkySQL/MariaDB Cloud MCP (Model Context Protocol) server, which provides a powerful interface for managing SkySQL MariaDB database instances and interacting with AI Agents.

Features

• Launch and manage serverless MariaDB database instances

• Interact with AI-powered database agents

• Execute SQL queries directly on SkySQL (MySQL/MariaDB) instances

• Manage database credentials and IP allowlists

• List and monitor database services

Related MCP server: MySQL MCP Server Pro

Installation

Prerequisites

• Python 3.10 or higher

• A SkySQL/MariaDB Cloud API key

Option 1: Run locally

Installation steps

1. Clone the repository:

   git clone git@github.com:skysqlinc/skysql-mcp.git
   cd skysql-mcp

2. Run the installation script:

   chmod +x install.sh
   ./install.sh

3. Create a .env file in the root directory of the cloned git repository with your SkySQL API key. Obtain API key by signing up for free on SkySQL.

   SKYSQL_API_KEY=<your_skysql_api_key_here>

4. Start the MCP server (HTTP mode):

   chmod +x launch.sh
   ./launch.sh

   The server will start on http://localhost:8000/mcp by default.

5. Configure your IDE:

Cursor

Add the following to your Cursor MCP config (~/.cursor/mcp.json or .cursor/mcp.json in your project):

{
  "mcpServers": {
    "skysql-mcp-server": {
      "url": "http://localhost:8000/mcp",
      "headers": {
        "X-API-Key": "<your-skysql-api-key>"
      }
    }
  }
}

The X-API-Key header is sent with each request, allowing per-user API keys when the server is hosted remotely.

Windsurf

Add the following to your Windsurf MCP config (~/.codeium/windsurf/mcp_config.json):

{
  "mcpServers": {
    "skysql-mcp-server": {
      "serverUrl": "http://localhost:8000/mcp"
    }
  }
}

Note: Windsurf uses serverUrl (not url) and cannot send request headers. Start the server in single-tenant mode so it falls back to the API key in your environment:

SKYSQL_SINGLE_TENANT=true ./launch.sh

With SKYSQL_API_KEY set in .env (step 3). Without SKYSQL_SINGLE_TENANT, the server requires every HTTP caller to supply its own X-API-Key header and will reject requests that don't — deliberately, so a shared deployment can never serve requests using the operator's key.

Claude

Add the server as a custom connector (Settings > Connectors > Add custom connector), then supply your API key under Request headers:

Generate the key at app.skysql.com/user-profile/api-keys. Enter it exactly as-is — Claude sends the value verbatim and does not add a scheme or prefix.

Claude requires a publicly reachable HTTPS URL, so http://localhost:8000/mcp will not work here; deploy the server first. Request header authentication is currently in beta and may need to be enabled for your organization.

6. (Optional) Test the server interactively with MCP CLI:

   npx @wong2/mcp-cli uv run python src/mcp-server/server.py