MCP Ms Sql Server MCP Server

A configurable **Model Context Protocol (MCP) server** for Microsoft SQL Server integration with Claude Code and other MCP clients. Enables AI

Local serverstdio

What is the MCP Ms Sql Server MCP server?

MCP Ms Sql Server MCP server exists for a simple reason — assistants are far more useful when they can act on MCP Ms Sql Server directly instead of describing what you should do. A configurable Model Context Protocol (MCP) server for Microsoft SQL Server integration with Claude Code and other MCP clients. Enables AI assistants to securely interact with SQL Server databases through project-based configurations.

Setting it up

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

What the assistant can call

Once MCP Ms Sql Server is connected, these are the calls the assistant has available:

  • ListConfigurations — Show all available project configurations
  • SwitchConfiguration — Switch to a different project configuration
  • GetCurrentConfiguration — View current configuration details
  • TestConnection — Test database connectivity
  • ExecuteQuery — Run SELECT queries within allowed schema
  • GetSchemaInfo — Explore database structure and objects
  • GetTableInfo — Get table metadata and sample data
  • InsertRecords — Insert new records with transaction support
  • UpdateRecords — Update existing records (requires WHERE clause)
  • DeleteRecords — Delete records (requires WHERE clause)
  • BuildQuery — Generate SQL queries from natural language
  • AnalyzeQueryPerformance — Analyze query execution plans

Configuration and credentials

You will need 2 environment variables: MCP_CONFIG_NAME, DB_PASSWORD. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 14 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch MCP Ms Sql Server.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the mcp ms sql server mcp server does with a few real requests.

Choosing this one

Among the database access options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. MCP Ms Sql Server's toolset — ListConfigurations, SwitchConfiguration, GetCurrentConfiguration and 11 more — is a fair guide to whether it matches your workflow. It is maintained by 0xhubed; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Available tools

ToolWhat it does
ListConfigurationsShow all available project configurations
SwitchConfigurationSwitch to a different project configuration
GetCurrentConfigurationView current configuration details
TestConnectionTest database connectivity
ExecuteQueryRun SELECT queries within allowed schema
GetSchemaInfoExplore database structure and objects
GetTableInfoGet table metadata and sample data
InsertRecordsInsert new records with transaction support
UpdateRecordsUpdate existing records (requires WHERE clause)
DeleteRecordsDelete records (requires WHERE clause)
BuildQueryGenerate SQL queries from natural language
AnalyzeQueryPerformanceAnalyze query execution plans
GetDatabasePerformanceStatsDatabase performance metrics
DiscoverDataSearch tables/columns by patterns

Configuration

VariableDescriptionRequired
MCP_CONFIG_NAMEConfiguration value read at startup.Optional
DB_PASSWORDConfiguration value read at startup.Optional

Example prompts to try

  • Use MCP Ms Sql Server to ListConfigurations.
  • Use MCP Ms Sql Server to SwitchConfiguration.
  • Use MCP Ms Sql Server to GetCurrentConfiguration.

Frequently asked questions

It connects MCP Ms Sql Server to MCP-compatible AI assistants such as Claude and Cursor, exposing 14 tools (ListConfigurations, SwitchConfiguration, GetCurrentConfiguration, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Ms Sql Server directly.