@benborla29/mcp-server-mysql/dist/src/config/index.js

MCP server for interacting with MySQL databases with write operations support

import * as dotenv from "dotenv";
import { parseSchemaPermissions, parseMySQLConnectionString } from "../utils/index.js";
export const MCP_VERSION = "2.0.2";
dotenv.config();
const connectionStringConfig = process.env.MYSQL_CONNECTION_STRING
    ? parseMySQLConnectionString(process.env.MYSQL_CONNECTION_STRING)
    : {};
if (process.env.NODE_ENV === "test" && !process.env.MYSQL_DB) {
    process.env.MYSQL_DB = "mcp_test_db";
}
export const ALLOW_INSERT_OPERATION = process.env.ALLOW_INSERT_OPERATION === "true";
export const ALLOW_UPDATE_OPERATION = process.env.ALLOW_UPDATE_OPERATION === "true";
export const ALLOW_DELETE_OPERATION = process.env.ALLOW_DELETE_OPERATION === "true";
export const ALLOW_DDL_OPERATION = process.env.ALLOW_DDL_OPERATION === "true";
export const MYSQL_DISABLE_READ_ONLY_TRANSACTIONS = process.env.MYSQL_DISABLE_READ_ONLY_TRANSACTIONS === "true";
export const SCHEMA_INSERT_PERMISSIONS = parseSchemaPermissions(process.env.SCHEMA_INSERT_PERMISSIONS);
export const SCHEMA_UPDATE_PERMISSIONS = parseSchemaPermissions(process.env.SCHEMA_UPDATE_PERMISSIONS);
export const SCHEMA_DELETE_PERMISSIONS = parseSchemaPermissions(process.env.SCHEMA_DELETE_PERMISSIONS);
export const SCHEMA_DDL_PERMISSIONS = parseSchemaPermissions(process.env.SCHEMA_DDL_PERMISSIONS);
export const IS_REMOTE_MCP = process.env.IS_REMOTE_MCP === "true";
export const REMOTE_SECRET_KEY = process.env.REMOTE_SECRET_KEY || "";
export const PORT = process.env.PORT || 3000;
const dbFromEnvOrConnString = connectionStringConfig.database || process.env.MYSQL_DB;
export const isMultiDbMode = !dbFromEnvOrConnString || dbFromEnvOrConnString.trim() === "";
export const mcpConfig = {
    server: {
        name: "@benborla29/mcp-server-mysql",
        version: MCP_VERSION,
        connectionTypes: ["stdio", "streamableHttp"],
    },
    mysql: {
        ...(connectionStringConfig.socketPath || process.env.MYSQL_SOCKET_PATH
            ? {
                socketPath: connectionStringConfig.socketPath || process.env.MYSQL_SOCKET_PATH,
            }
            : {
                host: connectionStringConfig.host || process.env.MYSQL_HOST || "127.0.0.1",
                port: connectionStringConfig.port || Number(process.env.MYSQL_PORT || "3306"),
            }),
        user: connectionStringConfig.user || process.env.MYSQL_USER || "root",
        password: connectionStringConfig.password !== undefined
            ? connectionStringConfig.password
            : process.env.MYSQL_PASS === undefined
                ? ""
                : process.env.MYSQL_PASS,
        database: connectionStringConfig.database || process.env.MYSQL_DB || undefined,
        connectionLimit: 10,
        waitForConnections: true,
        queueLimit: process.env.MYSQL_QUEUE_LIMIT ? parseInt(process.env.MYSQL_QUEUE_LIMIT, 10) : 100,
        enableKeepAlive: true,
        keepAliveInitialDelay: 0,
        connectTimeout: process.env.MYSQL_CONNECT_TIMEOUT ? parseInt(process.env.MYSQL_CONNECT_TIMEOUT, 10) : 10000,
        authPlugins: {
            mysql_clear_password: () => () => Buffer.from(connectionStringConfig.password !== undefined
                ? connectionStringConfig.password
                : process.env.MYSQL_PASS !== undefined
                    ? process.env.MYSQL_PASS
                    : ""),
        },
        ...(process.env.MYSQL_SSL === "true"
            ? {
                ssl: {
                    rejectUnauthorized: process.env.MYSQL_SSL_REJECT_UNAUTHORIZED === "true",
                },
            }
            : {}),
    },
    paths: {
        schema: "schema",
    },
};