Run402 vs MCP Server Duckdb

In-depth architectural comparison of the Run402 and MCP Server Duckdb 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 Run402 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: provision_postgres_project, run_sql, rest_query.

Explore Run402 Details

Choose MCP Server Duckdb 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: query, Input, Output.

Explore MCP Server Duckdb Details

Feature & Specification Comparison

Specification	Run402 Databases	MCP Server Duckdb ktanaka101 Databases
Summary	x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.	DuckDB database integration with schema inspection and query capabilities
Category & Scope	Databases	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": {
    "run402": {
      "command": "npx",
      "args": [
        "--yes",
        "run402@3.7.5"
      ]
    }
  }
}

{
  "mcpServers": {
    "ktanaka101-mcp-server-duckdb": {
      "command": "uvx",
      "args": [
        "mcp-server-duckdb"
      ]
    }
  }
}

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