MCP Datalink vs Postgres MCP

In-depth architectural comparison of the MCP Datalink 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 Datalink 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).
• Primary tools included: list_databases, list_tables, describe_table.

Explore MCP Datalink Details

Choose Postgres MCP when:

• You need dedicated capabilities in the Databases domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: other (Free / Open Source).
• You have access to required keys: POSTGRES_USER, POSTGRES_PASSWORD, POSTGRES_DB.
• Primary tools included: query, execute, explain_query.

Explore Postgres MCP Details

Feature & Specification Comparison

Specification	MCP Datalink pilat Databases	Postgres MCP JaviMaligno Databases
Summary	MCP server for secure database access (PostgreSQL, MySQL, SQLite) with parameterized queries and schema inspection	PostgreSQL MCP server with 14 tools for querying, schema exploration, and table analysis. Features security-first design with SQL injection prevention and read-only by default.
Category & Scope	Databases

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": {
    "pilat-mcp-datalink": {
      "command": "npx",
      "args": [
        "-y",
        "@pilat/mcp-datalink"
      ]
    }
  }
}

{
  "mcpServers": {
    "javimaligno-postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "npx"
      ],
      "env": {
        "POSTGRES_USER": "YOUR_POSTGRES_USER_HERE",
        "POSTGRES_PASSWORD": "YOUR_POSTGRES_PASSWORD_HERE",
        "POSTGRES_DB": "YOUR_POSTGRES_DB_HERE"
      }
    }
  }
}

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