PostgreSQL MCP Server vs Supabase

In-depth architectural comparison of the PostgreSQL MCP Server and Supabase 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 PostgreSQL MCP Server 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 PostgreSQL MCP Server Details

Choose Supabase 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 Supabase Details

Feature & Specification Comparison

Specification	PostgreSQL MCP Server Databases	Supabase Databases
Summary	PostgreSQL MCP server with 203 tools, connection pooling, HTTP/SSE, OAuth 2.1, and tool filtering	MCP server for interacting with the Supabase platform
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": {
    "postgresql-mcp-server-3": {
      "command": "npx",
      "args": [
        "-y",
        "postgresql-mcp-server-3"
      ]
    }
  }
}

{
  "mcpServers": {
    "supabase": {
      "url": "https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fregistry.modelcontextprotocol.io%2Fv0.1%2Fservers%2Fcom.supabase%252Fmcp%2Fversions%2Flatest&query=%24.server.version&label=MCP%20Registry&logo=modelcontextprotocol)](https://registry.modelcontextprotocol.io/?q=com.supabase%2Fmcp"
    }
  }
}

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