Hevy MCP

import dotenvx from "@dotenvx/dotenvx"; import * as Sentry from "@sentry/node"; // Configure dotenvx with quiet mode to prevent stdout pollution in stdio mode dotenvx.config({ quiet: true }); // Sentry monitoring is baked into the built MCP server so usage and errors // from users of the published package are captured for observability. const sentryConfig = { dsn: "https://ce696d8333b507acbf5203eb877bce0f@o4508975499575296.ingest.de.sentry.io/4509049671647312", // Tracing must be enabled for MCP monitoring to work tracesSampleRate: 1.0, sendDefaultPii: false, } as const; Sentry.init(sentryConfig); import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { z } from "zod"; import { name, version } from "../package.json"; import { registerFolderTools } from "./tools/folders.js"; import { registerRoutineTools } from "./tools/routines.js"; import { registerTemplateTools } from "./tools/templates.js"; import { registerWebhookTools } from "./tools/webhooks.js"; import { registerWorkoutTools } from "./tools/workouts.js"; import { assertApiKey, parseConfig } from "./utils/config.js"; import { createClient } from "./utils/hevyClient.js"; const HEVY_API_BASEURL = "https://api.hevyapp.com"; const serverConfigSchema = z.object({ apiKey: z .string() .min(1, "Hevy API key is required") .describe("Your Hevy API key (available in the Hevy app settings)."), }); export const configSchema = serverConfigSchema; type ServerConfig = z.infer<typeof serverConfigSchema>; function buildServer(apiKey: string) { const baseServer = new McpServer({ name, version, }); const server = Sentry.wrapMcpServerWithSentry(baseServer); const hevyClient = createClient(apiKey, HEVY_API_BASEURL); console.error("Hevy client initialized with API key"); registerWorkoutTools(server, hevyClient); registerRoutineTools(server, hevyClient); registerTemplateTools(server, hevyClient); registerFolderTools(server, hevyClient); registerWebhookTools(server, hevyClient); return server; } export default function createServer({ config }: { config: ServerConfig }) { const { apiKey } = serverConfigSchema.parse(config); const server = buildServer(apiKey); return server.server; } export async function runServer() { const args = process.argv.slice(2); const cfg = parseConfig(args, process.env); const apiKey = cfg.apiKey; assertApiKey(apiKey); const server = buildServer(apiKey); console.error("Starting MCP server in stdio mode"); const transport = new StdioServerTransport(); await server.connect(transport); }