$ go install github.com/googleapis/genai-toolbox@latest
$ go install github.com/github/github-mcp-server/cmd/mcpcurl@latest

$ echo mysql.yaml
sources:
    my-mysql-source:
        kind: mysql
        host: localhost
        port: 3306
        database: classicmodels
        user: root
        password: p@55word
        queryTimeout: 30s # Optional: query timeout duration
tools:
  search_products_by_max_price:
    kind: mysql-sql
    source: my-mysql-source
    statement: |
      SELECT * FROM products
      WHERE productLine like ?
      AND buyPrice <= ?
      LIMIT 10
    description: |
      Use this tool to search products by product line and price.
      Example:
      {{
          "product-line": "Ships",
          "max-price": "888",
      }}
      Example:
      {{
          "product-line": "%L%",
          "max-price": 34,
      }}
    parameters:
      - name: product-line
        type: string
        description: productLine
      - name: max-price
        type: integer
        description: max price

mcpcurl --stdio-server-cmd 'genai-toolbox --stdio --tools-file ./mysql.yaml' tools search_products_by_max_price --product-line "Ships" --max-price 100
Error: unknown flag: --max-price
Usage:
  mcpcurl tools search_products_by_max_price [flags]

Flags:
  -h, --help                  help for search_products_by_max_price
      --product-line string   productLine

Global Flags:
      --pretty                    Pretty print MCP response (only for JSON or JSONL responses) (default true)
      --stdio-server-cmd string   Shell command to invoke MCP server via stdio (required)