What is the key difference between Schemabrain and Sql Steward?

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

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

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

Which MCP server has more tools and community activity?

Schemabrain lists 5 tools with 3 views and 9 GitHub stars. Sql Steward lists 0 tools with 1 views and 0 GitHub stars.

Can I use both Schemabrain and Sql Steward 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 Schemabrain or Sql Steward 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 Schemabrain and Sql Steward free to use, or do they require API keys?

Schemabrain is listed under a Free / Open Source model with No auth required . Sql Steward 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 Schemabrain and Sql Steward at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both arun-kc-schemabrain and sql-steward 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, Schemabrain has a Quality Score of 55 /100 ( Good ) with 3 views, 0 installs, and 9 GitHub stars. Sql Steward holds a Quality Score of 27 /100 ( Emerging ) with 1 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Schemabrain vs Sql Steward

In-depth architectural comparison of the Schemabrain and Sql Steward 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

Schemabrain

Databases · Local stdio

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

Sql Steward

Databases · Local stdio

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

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

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

Feature & Specification Comparison

Specification	Schemabrain Arun-kc Databases	S Sql Steward Databases
Summary	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.	The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

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

Sql Steward Tools (0)

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

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).

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"
      }
    }
  }
}

Sql Steward Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Schemabrain More alternatives to Sql Steward Databases category hub