@sassoftware/mcp-serverjs/src/createMcpServer.js

A mcp server for SAS Viya

/*
 * Copyright © 2025, SAS Institute Inc., Cary, NC, USA.  All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
import { randomUUID } from "node:crypto"
import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { isInitializeRequest } from "@modelcontextprotocol/sdk/types.js"
import toolSet from './toolSet/index.js';


async function createMcpServer(mode, appEnv) {
  //const log = debug('mcpserver');
  // Create an MCP server

  const mcpServer = new McpServer({
    name: 'Viya-scoring-mcp-server',
    version: '0.3.0'
  }, { capabilities: {
      tools: {
        listChanged: true
      },
    }
  });

  // Register the addition tool
  // TBD: Register resources and prompts


 // log(`Creating MCP server in ${mode} mode`);
  toolSet.forEach(tool => {
    // (`Registering tool in createMcpServer  : ${JSON.stringify(tool)}`);
    mcpServer.tool(
      tool.name,
      tool.description,
      tool.schema,
      tool.handler
    )
  })
  appEnv.mcpServer = mcpServer;
  let transport;
  transport = new StreamableHTTPServerTransport({
    sessionIdGenerator: undefined,
    enableJsonResponse: true,
   
  });


  console.error('[Note] Transport mode:', mode);
  await mcpServer.connect(transport);
  return transport;
  
}
export default createMcpServer;