Strava MCP Server

import { z } from "zod"; import * as fs from 'node:fs'; import * as path from 'node:path'; import { exportRouteGpx as fetchGpxData } from "../stravaClient.js"; // import { McpServerTool } from "@modelcontextprotocol/sdk/server/mcp.js"; // Type doesn't seem exported/needed // import { McpResponse } from "@modelcontextprotocol/sdk/server/mcp.js"; // Type doesn't seem exported // Define the input schema for the tool const ExportRouteGpxInputSchema = z.object({ routeId: z.string().describe("The ID of the Strava route to export."), }); // Infer the input type from the schema type ExportRouteGpxInput = z.infer<typeof ExportRouteGpxInputSchema>; // Export the tool definition directly export const exportRouteGpx = { name: "export-route-gpx", description: "Exports a specific Strava route in GPX format and saves it to a pre-configured local directory.", inputSchema: ExportRouteGpxInputSchema, execute: async ({ routeId }: ExportRouteGpxInput) => { const token = process.env.STRAVA_ACCESS_TOKEN; if (!token) { // Strict return structure return { content: [{ type: "text" as const, text: "❌ Error: Missing STRAVA_ACCESS_TOKEN in .env file." }], isError: true }; } const exportDir = process.env.ROUTE_EXPORT_PATH; if (!exportDir) { // Strict return structure return { content: [{ type: "text" as const, text: "❌ Error: Missing ROUTE_EXPORT_PATH in .env file. Please configure the directory for saving exports." }], isError: true }; } try { // Ensure the directory exists, create if not if (!fs.existsSync(exportDir)) { console.error(`Export directory ${exportDir} not found, creating it...`); fs.mkdirSync(exportDir, { recursive: true }); } else { // Check if it's a directory and writable (existing logic) const stats = fs.statSync(exportDir); if (!stats.isDirectory()) { // Strict return structure return { content: [{ type: "text" as const, text: `❌ Error: ROUTE_EXPORT_PATH (${exportDir}) is not a valid directory.` }], isError: true }; } fs.accessSync(exportDir, fs.constants.W_OK); } const gpxData = await fetchGpxData(token, routeId); const filename = `route-${routeId}.gpx`; const fullPath = path.join(exportDir, filename); fs.writeFileSync(fullPath, gpxData); // Strict return structure return { content: [{ type: "text" as const, text: `✅ Route ${routeId} exported successfully as GPX to: ${fullPath}` }], }; } catch (err: any) { console.error(`Error in export-route-gpx tool for route ${routeId}:`, err); // Strict return structure let userMessage = `❌ Error exporting route ${routeId} as GPX: ${err.message}`; if (err.code === 'EACCES') { userMessage = `❌ Error: No write permission for ROUTE_EXPORT_PATH directory (${exportDir}).`; } return { content: [{ type: "text" as const, text: userMessage }], isError: true }; } }, };