Orionbelt Semantic Layer vs Pg Aiguide

In-depth architectural comparison of the Orionbelt Semantic Layer and Pg Aiguide 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.

Which MCP Server Should You Choose?

Choose Orionbelt Semantic Layer 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 Orionbelt Semantic Layer Details

Choose Pg Aiguide when:

• You need dedicated capabilities in the Databases domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Pg Aiguide Details

Feature & Specification Comparison

Specification	Orionbelt Semantic Layer Databases	Pg Aiguide Databases
Summary	API-first semantic layer MCP server compiling YAML models into dialect-specific SQL	Comprehensive PostgreSQL documentation and best practices, including ecosystem tools
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "orionbelt-semantic-layer": {
      "command": "uvx",
      "args": [
        "orionbelt-semantic-layer-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "pg-aiguide": {
      "url": "https://mcp.tigerdata.com/docs"
    }
  }
}

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