Is Mssqlclient MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Mssqlclient MCP Server do?

Mssqlclient MCP Server documents 25 tools to the agent, including execute_query, execute_query_in_database, execute_stored_procedure. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Mssqlclient MCP Server

Unclaimed

by aadversteeg

A Microsoft SQL Server client implementing the Model Context Protocol (MCP). This server provides SQL query capabilities through a simple MCP interface.

Install

docker run -d --name mssql-mcp -e "MSSQL_CONNECTIONSTRING=Server=your_server;Database=your_db;User Id=your_user;Password=your_password;TrustServerCertificate=True;" mssqlclient-mcp-server:latest

Set up this server

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This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

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25 of 25 tools

Documented tools (25)

From project documentation. A server handshake does not verify each tool’s description or behavior.

execute_query

Executes a SQL query on the connected SQL Server database.

execute_query_in_database

Executes a SQL query in a specific database.

execute_stored_procedure

Executes a stored procedure with automatic parameter type conversion.

execute_stored_procedure_in_database

Executes a stored procedure in a specific database with automatic parameter type conversion.

get_command_timeout

Returns current timeout configuration settings.

get_session_results

Get results from a completed or running query/stored procedure session.

get_session_status

Check the status of a running query or stored procedure session.

get_stored_procedure_definition

Gets the SQL definition of a stored procedure.

get_stored_procedure_definition_in_database

Gets the SQL definition of a stored procedure from a specific database.

get_stored_procedure_parameters

Gets parameter information for a stored procedure in table or JSON Schema format.

get_table_schema

Gets the schema of a table from the connected SQL Server database.

get_table_schema_in_database

Gets the schema of a table from a specific database.

list_databases

Lists all databases on the SQL Server instance.

list_sessions

List all query and stored procedure sessions.

list_stored_procedures

Lists all stored procedures in the current database with detailed information.

list_stored_procedures_in_database

Lists all stored procedures in a specific database.

list_tables

Lists all tables in the connected SQL Server database with schema and row count information.

list_tables_in_database

Lists all tables in a specific database.

server_capabilities

Returns detailed information about the capabilities and features of the connected SQL Server instance.

set_command_timeout

Updates the default command timeout for all new operations.

start_query

Start a SQL query in the background on the connected database. Returns a session ID to check progress. Best for long-running queries.

start_query_in_database

Start a SQL query in the background for a specific database. Returns a session ID to check progress. Best for long-running queries (server mode).

start_stored_procedure

Start a stored procedure execution in the background. Returns a session ID to check progress. Best for long-running procedures.

start_stored_procedure_in_database

Start a stored procedure execution in the background for a specific database. Returns a session ID to check progress. Best for long-running procedures (server mode).

stop_session

Stop a running query or stored procedure session.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Mssqlclient MCP Server

How do I connect Mssqlclient MCP Server to Claude?: The listing records `docker run -d --name mssql-mcp -e "MSSQL_CONNECTIONSTRING=Server=your_server;Database=your_db;User Id=your_user;Password=your_password;TrustServerCertificate=True;" mssqlclient-mcp-server:latest` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code as compatible clients.
Is Mssqlclient MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Mssqlclient MCP Server do?: Mssqlclient MCP Server documents 25 tools to the agent, including execute_query, execute_query_in_database, execute_stored_procedure. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.