A Standalone Alternative to the VS Code MSSQL Extension

The MSSQL extension for Visual Studio Code (ms-mssql.mssql) is Microsoft's official extension for SQL Server, Azure SQL, and SQL database in Microsoft Fabric. As of September 2026 (version 1.45.1, released August 26, 2026), it pairs a T-SQL editor with IntelliSense with these generally available features: Object Explorer, the query results grid, the query plan visualizer, Table Designer, Schema Designer, Schema Compare, View and Edit Data, DACPAC and BACPAC, backup and restore, flat-file import, Query Profiler, SQL notebooks, local SQL Server containers, Data API builder, and GitHub Copilot integration. Since Azure Data Studio was retired on February 28, 2026, Microsoft points its users to this extension, and to SQL Server Management Studio for SQL Server Agent and full administration.

It depends on what you need beyond SQL Server editing. Jam SQL Studio is a standalone desktop app, so it does not need VS Code, and it connects to PostgreSQL, MySQL, MariaDB, Oracle, SQLite, and Azure Data Explorer as well as SQL Server. As of September 2026 it also has features the extension does not: table data compare with sync scripts, charts and dashboards from query results, a SQL Server Agent jobs manager (beta) on macOS, Windows, and Linux, and a local MCP server that any MCP-compatible AI agent can use. If you work only on SQL Server inside VS Code and rely on the Query Profiler, .dacpac files, or GitHub Copilot, the free extension already covers that.

No. Jam SQL Studio is a standalone desktop application for Mac, Windows, and Linux. You do not need VS Code or any editor extension. It ships its own Monaco-based editor, IntelliSense, object explorer, table designer, and admin tooling. To use the MSSQL extension's key for executing a query (Ctrl+Shift+E, or Cmd+Shift+E on macOS), pick the VS Code mssql extension scheme in Settings → Keyboard Shortcuts.

Yes. Jam SQL Studio reads Azure Data Studio's settings.json directly and imports your saved SQL Server, PostgreSQL, and Azure Data Explorer (Kusto) connections in one click — from the start page, the command palette, or Manage Connections. Your ADS connection groups are preserved as folders. Because Azure Data Studio never stored passwords, you re-enter them inline during import or on first connect. The MSSQL extension has its own Azure Data Studio Migration Toolkit (added in version 1.39.0) that imports SQL Server connections, connection groups, and settings; it skips PostgreSQL and other non-SQL Server connections.

It has schema compare but not data compare. Schema Compare became generally available in version 1.35.0 (August 2025); it compares databases, .dacpac files, and SQL projects, and can apply the changes or generate a script. As of September 2026, neither Microsoft's feature list nor the extension's changelog includes table data comparison, so syncing rows between two databases still takes another tool. Jam SQL Studio has both: schema compare for SQL Server, PostgreSQL, MySQL, MariaDB, Oracle, and SQLite, and data compare that generates INSERT, UPDATE, and DELETE sync scripts.

As of September 2026: a Query Profiler that captures Extended Events live, local SQL Server container creation, .dacpac deploy and extract plus SQL Database Projects, Data API builder for REST, GraphQL, and MCP endpoints, Microsoft Fabric and Azure SQL database provisioning, and GitHub Copilot integration. It is also free and MIT-licensed for any use, while Jam SQL Studio's free Personal tier is for non-commercial use. Jam SQL Studio handles BACPAC but not .dacpac, and for SQL Server monitoring it offers a Session Browser, Query Store viewer, Deadlock Analyzer, and Performance Dashboard instead of trace capture.

Not with the MSSQL extension. The GitHub request for SQL Server Agent support (issue #18635) was closed as not planned, and Microsoft's Azure Data Studio retirement page names SQL Server Management Studio, which runs only on Windows, as the home for SQL Server Agent. Jam SQL Studio includes an Agent Jobs Manager (beta) on macOS, Windows, and Linux for browsing jobs and their history, running and stopping jobs, and managing operators, alerts, and proxies.

Yes. Jam SQL Studio connects to SQL Server (including Azure SQL Database and Managed Instance), PostgreSQL, MySQL, MariaDB, Oracle, SQLite, and Azure Data Explorer (Kusto) from a single application. The VS Code MSSQL extension covers SQL Server, Azure SQL, and SQL database in Microsoft Fabric; PostgreSQL in VS Code needs Microsoft's separate PostgreSQL extension, and Microsoft's MySQL replacement is still listed as pending announcement.

Yes. Jam SQL Studio runs a built-in local MCP server (Model Context Protocol) on 127.0.0.1 with token authentication, so Claude Code, Claude Desktop, Codex CLI, Cursor, GitHub Copilot, and other MCP clients can run SQL against your saved connections. It executes no queries by default; read-only or approval-gated writes are opt-in. The VS Code MSSQL extension's AI features are GitHub Copilot chat and agent mode inside VS Code. Its Data API builder can also deploy an MCP endpoint (in preview) as a local Docker container: agents get create, read, update, and delete tools for the tables you select, not a way to run their own SQL.

For personal use, yes. The MSSQL extension and VS Code are free for any use. Jam SQL Studio's Personal tier is free for personal, non-commercial use and needs no account; work use requires Pro at $9.99 per month or $99 per year, which also removes the Personal tier's size caps, such as full data compare past 10,000 rows per table.

Yes. Jam SQL Studio supports Microsoft Entra ID authentication for Azure SQL Database using interactive browser sign-in, which works with MFA and caches tokens for reconnection. SQL Server authentication and Windows authentication are also supported, and imported ADS connections keep their original auth type.