What is the key difference between Spark SQL and Adx MCP Server?

Spark SQL belongs to the Databases category with local stdio execution, while Adx MCP Server belongs to the Databases category with local stdio execution.

How do I install Spark SQL or Adx MCP Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Spark SQL and Adx MCP Server free or paid?

Spark SQL operates under a Free / Open Source model (No auth required). Adx MCP Server operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Spark SQL lists 4 tools with 1 views and 1 GitHub stars. Adx MCP Server lists 5 tools with 1 views and 59 GitHub stars.

Can I use both Spark SQL and Adx MCP Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Spark SQL vs Adx MCP Server

In-depth architectural comparison of the Spark SQL and Adx MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Spark SQL

Databases · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

Adx MCP Server

Databases · Local stdio

Quality: 45/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Spark SQL if you need specialized Databases tools running via a local process. Choose Adx MCP Server if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Spark SQL when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: list_databases, list_tables, describe_table.

Explore Spark SQL Details

Choose Adx MCP Server when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: ADX_CLUSTER_URL, ADX_DATABASE, AZURE_TENANT_ID, AZURE_CLIENT_ID, ADX_TOKEN_FILE_PATH, ADX_MCP_SERVER_TRANSPORT, ADX_MCP_BIND_HOST, ADX_MCP_BIND_PORT.
Primary tools included: execute_query, list_tables, get_table_schema.

Feature & Specification Comparison

Specification	Spark SQL Databases	Adx MCP Server pab1it0 Databases
Summary	Query Spark SQL clusters via Thrift/HiveServer2. Works with Spark, EMR, Hive, Impala.	Query and analyze Azure Data Explorer databases
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

Spark SQL Tools (4)

list_databases

List all available databases

list_tables

List tables in a database

describe_table

Get table schema (columns, types)

execute_query

Run read-only SQL queries with formatted results

Adx MCP Server Tools (5)

execute_query

Execute a KQL query against Azure Data Explorer

list_tables

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Spark SQL Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "spark-sql": {
      "command": "uvx",
      "args": [
        "spark-sql-mcp-server"
      ]
    }
  }
}

Adx MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "pab1it0-adx-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "pab1it0-adx-mcp-server"
      ],
      "env": {
        "ADX_CLUSTER_URL": "YOUR_ADX_CLUSTER_URL_HERE",
        "ADX_DATABASE": "YOUR_ADX_DATABASE_HERE",
        "AZURE_TENANT_ID": "YOUR_AZURE_TENANT_ID_HERE",
        "AZURE_CLIENT_ID": "YOUR_AZURE_CLIENT_ID_HERE",
        "ADX_TOKEN_FILE_PATH": "YOUR_ADX_TOKEN_FILE_PATH_HERE",
        "ADX_MCP_SERVER_TRANSPORT": "YOUR_ADX_MCP_SERVER_TRANSPORT_HERE",
        "ADX_MCP_BIND_HOST": "YOUR_ADX_MCP_BIND_HOST_HERE",
        "ADX_MCP_BIND_PORT": "YOUR_ADX_MCP_BIND_PORT_HERE"
      }
    }
  }
}

Frequently Asked Questions

Spark SQL is categorized under Databases and uses a local stdio subprocess. In contrast, Adx MCP Server belongs to Databases using local stdio subprocess. Select Spark SQL when you need capabilities focused on databases and Adx MCP Server when you require tools for databases.

More alternatives to Spark SQL More alternatives to Adx MCP Server Databases category hub Canonical compare URL