MCP Bigquery Server vs Postgres MCP

In-depth architectural comparison of the MCP Bigquery Server and Postgres MCP 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 MCP Bigquery Server when:

• You need dedicated capabilities in the Databases domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: GOOGLE_APPLICATION_CREDENTIALS.
• Primary tools included: Read-only access with SQL query validation, Supports tables and materialized views, Field-level data access restrictions configurable.

Explore MCP Bigquery Server Details

Choose Postgres MCP 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: DATABASE_URI.

Feature & Specification Comparison

Specification	MCP Bigquery Server ergut Databases	Postgres MCP crystaldba Databases
Summary
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": {
    "ergut-mcp-bigquery-server": {
      "command": "npx",
      "args": [
        "-y",
        "@ergut/mcp-bigquery-server"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "YOUR_GOOGLE_APPLICATION_CREDENTIALS_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "crystaldba-postgres-mcp": {
      "command": "uvx",
      "args": [
        "postgres-mcp"
      ],
      "env": {
        "DATABASE_URI": "YOUR_DATABASE_URI_HERE"
      }
    }
  }
}

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