/**
* XERT MCP Server
*
* Model Context Protocol server for accessing XERT training data.
* Provides tools for fitness signature, training load, workouts, and activities.
*/
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import * as dotenv from 'dotenv';
import * as path from 'path';
import { fileURLToPath } from 'url';
import { SERVER_NAME, getServerInfo } from './serverInfo.js';
// Import all tools
import {
getTrainingInfoTool,
listWorkoutsTool,
getWorkoutTool,
downloadWorkoutTool,
listActivitiesTool,
getActivityTool,
uploadFitTool,
} from './tools/index.js';
// Load .env file from project root
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const projectRoot = path.resolve(__dirname, '..');
const envPath = path.join(projectRoot, '.env');
// IMPORTANT: Load env BEFORE any client initialization
dotenv.config({ path: envPath });
const { version: serverVersion } = getServerInfo();
// Create MCP server
const server = new McpServer({
name: SERVER_NAME,
version: serverVersion,
});
// Register tools
// Note: Using server.tool() which is the v1.x API
server.tool(
getTrainingInfoTool.name,
getTrainingInfoTool.description,
getTrainingInfoTool.inputSchema?.shape ?? {},
getTrainingInfoTool.execute
);
server.tool(
listWorkoutsTool.name,
listWorkoutsTool.description,
listWorkoutsTool.inputSchema?.shape ?? {},
listWorkoutsTool.execute
);
server.tool(
getWorkoutTool.name,
getWorkoutTool.description,
getWorkoutTool.inputSchema?.shape ?? {},
getWorkoutTool.execute
);
server.tool(
downloadWorkoutTool.name,
downloadWorkoutTool.description,
downloadWorkoutTool.inputSchema?.shape ?? {},
downloadWorkoutTool.execute
);
server.tool(
listActivitiesTool.name,
listActivitiesTool.description,
listActivitiesTool.inputSchema?.shape ?? {},
listActivitiesTool.execute
);
server.tool(
getActivityTool.name,
getActivityTool.description,
getActivityTool.inputSchema?.shape ?? {},
getActivityTool.execute
);
server.tool(
uploadFitTool.name,
uploadFitTool.description,
uploadFitTool.inputSchema?.shape ?? {},
uploadFitTool.execute
);
// Server startup
async function startServer(): Promise<void> {
try {
// CRITICAL: Only use console.error for STDIO servers!
// console.log would corrupt the JSON-RPC protocol
console.error(`Starting ${SERVER_NAME} v${serverVersion}...`);
const transport = new StdioServerTransport();
await server.connect(transport);
console.error(`${SERVER_NAME} v${serverVersion} connected via STDIO.`);
console.error('Available tools:');
console.error(' - xert-get-training-info');
console.error(' - xert-list-workouts');
console.error(' - xert-get-workout');
console.error(' - xert-download-workout');
console.error(' - xert-list-activities');
console.error(' - xert-get-activity');
console.error(' - xert-upload-fit');
} catch (error) {
console.error('Failed to start server:', error);
process.exit(1);
}
}
startServer();
