Microsoft SQL Server MCP Server
A read-only-by-default Model Context Protocol (MCP) server for Microsoft SQL Server that provides schema discovery, select-only queries, execution-plan analysis, opt-in writes, and profile-based access to multiple servers from a single toolset deployment.
People who work with mssql, read only and sql server and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in C#.
VERIFIED ACTIVE
LAST COMMIT 2026-09-23 · ★ 9 · #163 OF 174 MAINTAINED DATABASE · VERIFIED 2026-09-30
MIT · C# · how we verify → /methodology
01 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
license MIT - declared in the repository
registry namespace io.github.alyiox is GitHub-verified and matches the repo owner
02 · What Microsoft SQL Server can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
What you can build
An agent gets 2 documented tools across kind, includes, including kind, includes.
The 2 tools it gives your agent
Extracted from the project's README - what Microsoft SQL Server lets an agent do.
- kind
- - relation or routine.
- includes
- - Array of detail sections: columns, indexes, constraints, relationships (relations only), definition (routines only). relationships returns foreign keys in both
03 · Who maintains Microsoft SQL Server
Microsoft SQL Server is maintained by alyiox. We track 5 MCP servers from alyiox - 5 actively maintained, 9 combined GitHub stars, oldest repo from Feb 2026.
04 · Facts
- repository
- github.com/alyiox/mcp-mssql
- category
- database - ranked #163 of 174 actively-maintained database servers as of 2026-09-30.
- registry
- io.github.alyiox/mcp-mssql (active, first published 2026-04-30 · 7 versions)
- packages
- nuget:Alyio.McpMssql
05 · Microsoft SQL Server FAQ
What is Microsoft SQL Server?
A read-only-by-default Model Context Protocol (MCP) server for Microsoft SQL Server that provides schema discovery, select-only queries, execution-plan analysis, opt-in writes, and profile-based access to multiple servers from a single toolset deployment.
Is Microsoft SQL Server still maintained?
Yes - as of 2026-09-30, its last commit was 2026-09-23. We re-verify nightly.
06 · Alternatives to Microsoft SQL Server
Alternatives to Microsoft SQL Server
Maintained database servers if Microsoft SQL Server isn't the fit.
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- LINQ to DB Inspect database schemas and execute SQL queries across multiple database providers with LINQ to DB. ★ 3,331 · 2026-09-30
- Supabase MCP server for interacting with the Supabase platform ★ 2,926 · 2026-09-28
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