A2db vs Planetscale MCP

In-depth architectural comparison of the A2db and Planetscale 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 A2db 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: DB_PASSWORD.
• Primary tools included: login, logout, list_connections.

Explore A2db Details

Choose Planetscale MCP when:

• You need dedicated capabilities in the Databases domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• Primary tools included: Hosted PlanetScale MCP endpoint, Direct AI-agent access to PlanetScale databases, Part of the PlanetScale CLI ecosystem.

Explore Planetscale MCP Details

Feature & Specification Comparison

Specification	A2db Databases	Planetscale MCP planetscale Databases
Summary	Safe, read-only database access for AI agents. 5 databases, batch queries, SQLGlot.	The PlanetScale CLI includes an MCP server that provides AI tools direct access to your PlanetScale databases.
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": {
    "a2db": {
      "command": "npx",
      "args": [
        "-y",
        "a2db"
      ],
      "env": {
        "DB_PASSWORD": "YOUR_DB_PASSWORD_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "planetscale-mcp": {
      "url": "https://planetscale.com/docs/connect/mcp"
    }
  }
}

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