Read-only-by-default SQL Server: execution plans, parameterized SELECT, metadata, opt-in writes.
Install
Run one of the commands below, then add the client config underneath.
Alyio.McpMssqlAbout this server
Microsoft SQL Server is listed in the Databases category of the MCPNav directory. It is distributed as nuget and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Microsoft SQL Server MCP server?＋
Microsoft SQL Server is an MCP server by alyiox. Read-only-by-default SQL Server: execution plans, parameterized SELECT, metadata, opt-in writes.
How do I install Microsoft SQL Server?＋
Install it with: Alyio.McpMssql. Then add the JSON config to your client's MCP settings and restart the client.
Is Microsoft SQL Server free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/alyiox/mcp-mssql. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Microsoft SQL Server?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.