What is the best alternative to SQL Server?

The top-rated alternatives to SQL Server in the Databases category include MCP Toolbox for Databases, MCP Server Mysql, Supabase. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do SQL Server alternatives differ in installation and runtime?

SQL Server and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

Are alternatives to SQL Server free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare SQL Server with a specific alternative?

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.

Databases• MCP Alternatives Guide

Best Alternatives to SQL Server

Looking for an alternative to SQL Server? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Databases ecosystem, we have cataloged and compared the top alternative MCP servers below.

Browse all Databases servers →View SQL Server Specs →

Target Reference Server

SQL Server Overview

Servidor MCP para SQL Server com controle de permissões e modo somente-leitura

Specification Matrix: SQL Server vs Alternatives

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
S SQL Server (Target)	—	Free/None	Free	—	—	Current
M MCP Toolbox for Databases	npx	Free/None	Free	16,488	—	Compare →
M MCP Server Mysql	npx	Other	Free	2,138	—	Compare →
S Supabase	Remote (SSE)	Free/None	Free	2,926	—	Compare →
S StackQL MCP Server	npx	Free/None	Free	1,024	—	Compare →
L Legion MCP	uvx	Other	Free	94	—	Compare →
M MCP Server Sql Analyzer	uvx	No auth required	Free	32	—	Compare →
S SQL Server MCP (Windows)	npx	Free/None	Free	1	—	Compare →
M MCP Server Jdbc	npx	No auth required	Free	196	—	Compare →
P Postgres MCP	uvx	API key	Free	3,342	—	Compare →
Q QuestDB Web Console MCP Server	npx	Free/None	Free	2	—	Compare →
I Influxdb3 MCP Server	npx	API key	Bring your own API key (usage-based cost)	38	—	Compare →
M Mongo MCP	npx	Other	Free	175	—	Compare →

Detailed Evaluation of SQL Server Alternatives

MCP Toolbox for Databases

Runtime: npx

MCP Toolbox for Databases enables your agent to connect to your database.

1 0 16,488

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MCP Server Mysql

Runtime: npx

Connects AI clients to MySQL for schema inspection and SQL queries, with opt-in writes and configurable database access controls.

Key Features:

Read-only SQL access by default

Schema and column metadata resource

Opt-in insert, update, and delete permissions

3 0 2,138

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Supabase

Runtime: Remote (SSE)

MCP server for interacting with the Supabase platform

1 0 2,926

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StackQL MCP Server

Runtime: npx

SQL-native query and provisioning engine for cloud infrastructure, served over MCP.

1 0 1,024

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Legion MCP

Runtime: uvx

Query and inspect multiple database systems through one MCP interface with SQL, schema discovery, and database selection tools.

Key Features:

Multi-database connection support

SQL execution with markdown or JSON results

Schema and table inspection

5 0 94

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MCP Server Sql Analyzer

Runtime: uvx

MCP server for SQL syntax validation, linting, dialect conversion, and query analysis using SQLGlot.

Key Features:

SQL syntax validation and linting

SQL dialect transpilation (e.g., MySQL to PostgreSQL)

Extraction of table and CTE references

2 0 32

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SQL Server MCP (Windows)

Runtime: npx

SQL Server MCP with RAG capabilities for Windows (native ODBC support)

2 0 1

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MCP Server Jdbc

Runtime: npx

Connects MCP-enabled AI applications to JDBC databases for querying and data modification.

Key Features:

JDBC URL-based database connections

Database querying

Insert, update, and delete operations

2 0 196

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Postgres MCP

Runtime: uvx

MCP server for Postgres with tools for index tuning, query plans, health checks, and safe SQL execution.

Key Features:

Database health checks including index, vacuum, replication, and cache analysis

Industrial-strength index tuning algorithms

EXPLAIN plan validation and hypothetical index simulation

1 0 3,342

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QuestDB Web Console MCP Server

Runtime: npx

Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts.

1 0 2

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Influxdb3 MCP Server

Runtime: npx

Verified

Connects MCP clients to InfluxDB 3 for querying, schema discovery, data writes, database management, and token operations.

Key Features:

SQL and InfluxQL query tools

Line-protocol data writes

Database and schema discovery

13 0 38

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Mongo MCP

Runtime: npx

Connects an MCP client to MongoDB for schema inspection, queries, index management, and document changes.

Key Features:

Collection schema inspection

Filtered document queries

Single-document CRUD operations

3 0 175

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Best Alternatives to SQL Server

SQL Server Overview

Specification Matrix: SQL Server vs Alternatives

Detailed Evaluation of SQL Server Alternatives

Frequently Asked Questions: SQL Server Alternatives