What is the key difference between Sql Steward and Schemabrain?

Sql Steward belongs to the Databases category with local stdio execution, while Schemabrain belongs to the Databases category with local stdio execution.

How do I install Sql Steward or Schemabrain 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 Sql Steward and Schemabrain free or paid?

Sql Steward operates under a Free / Open Source model (No auth required). Schemabrain operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Sql Steward lists 0 tools with 0 views and 0 GitHub stars. Schemabrain lists 5 tools with 3 views and 9 GitHub stars.

Can I use both Sql Steward and Schemabrain 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.

How do I install Sql Steward or Schemabrain in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Sql Steward and Schemabrain free to use, or do they require API keys?

Sql Steward is listed under a Free / Open Source model with No auth required . Schemabrain operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Sql Steward and Schemabrain at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both sql-steward and arun-kc-schemabrain as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Sql Steward has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Schemabrain holds a Quality Score of 55 /100 ( Good ) with 3 views, 0 installs, and 9 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Sql Steward vs Schemabrain

In-depth architectural comparison of the Sql Steward and Schemabrain 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

Sql Steward

Databases · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Schemabrain

Databases · Local stdio

Quality: 55/100 (Good) | Auth: No auth required

Verdict Summary: Choose Sql Steward if you need specialized Databases tools running via a local process. Choose Schemabrain 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 Sql Steward 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).

Explore Sql Steward Details

Choose Schemabrain 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).
You have access to required keys: SCHEMABRAIN_POSTGRES_DSN, SCHEMABRAIN_AUDIT_LOG_PATH.
Primary tools included: Read-only architecture with no write-capable tools, PII-aware query refusal based on schema tagging, Tamper-evident SHA-256 append-only audit log.

Explore Schemabrain Details

Feature & Specification Comparison

Specification	S Sql Steward Databases	Schemabrain Arun-kc Databases
Summary	The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.	Read-only trust layer for Postgres: the agent never writes SQL — twelve tools compile it from definitions you control, PII and secret categories are refused before the query runs, and every call lands in a tamper-evident SHA-256 audit chain.
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

Sql Steward Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Schemabrain Tools (5)

Read-only architecture with no write-capable tools

PII-aware query refusal based on schema tagging

Tamper-evident SHA-256 append-only audit log

Twelve MCP tools for safe query compilation

Compatibility with multiple MCP clients including Claude Desktop and Cursor

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).

Sql Steward Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sql-steward": {
      "command": "npx",
      "args": [
        "-y",
        "sql-steward"
      ]
    }
  }
}

Schemabrain Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "arun-kc-schemabrain": {
      "command": "uvx",
      "args": [
        "schemabrain"
      ],
      "env": {
        "SCHEMABRAIN_POSTGRES_DSN": "YOUR_SCHEMABRAIN_POSTGRES_DSN_HERE",
        "SCHEMABRAIN_AUDIT_LOG_PATH": "YOUR_SCHEMABRAIN_AUDIT_LOG_PATH_HERE"
      }
    }
  }
}

Frequently Asked Questions

Sql Steward is categorized under Databases and uses a local stdio subprocess. In contrast, Schemabrain belongs to Databases using local stdio subprocess. Select Sql Steward when you need capabilities focused on databases and Schemabrain when you require tools for databases.

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