Yandex Wordstat MCP

import readline from "node:readline"; const OAUTH_URL = "https://oauth.yandex.com/authorize"; const TOKEN_URL = "https://oauth.yandex.com/token"; function openBrowser(url) { const start = process.platform === "darwin" ? "open" : process.platform === "win32" ? "start" : "xdg-open"; import("node:child_process").then(({ exec }) => { exec(`${start} "${url}"`); }); } async function prompt(question) { const rl = readline.createInterface({ input: process.stdin, output: process.stdout, }); return new Promise((resolve) => { rl.question(question, (answer) => { rl.close(); resolve(answer.trim()); }); }); } async function exchangeCodeForToken(code, clientId, clientSecret) { const response = await fetch(TOKEN_URL, { method: "POST", headers: { "Content-Type": "application/x-www-form-urlencoded", }, body: new URLSearchParams({ grant_type: "authorization_code", code, client_id: clientId, client_secret: clientSecret, }), }); if (!response.ok) { const error = await response.text(); throw new Error(`Token exchange failed: ${error}`); } const data = await response.json(); return data.access_token; } export async function runAuth() { const clientId = process.env.YANDEX_CLIENT_ID; const clientSecret = process.env.YANDEX_CLIENT_SECRET; if (!clientId || !clientSecret) { console.error("Missing credentials. Set environment variables:"); console.error(" export YANDEX_CLIENT_ID=your_client_id"); console.error(" export YANDEX_CLIENT_SECRET=your_client_secret"); console.error(""); console.error("Then run: npx yandex-wordstat-mcp auth"); process.exit(1); } console.log("Starting OAuth flow...\n"); const authUrl = `${OAUTH_URL}?response_type=code&client_id=${clientId}`; console.log("Opening browser for authorization..."); console.log("If browser doesn't open, visit this URL manually:\n"); console.log(authUrl); console.log(""); openBrowser(authUrl); const code = await prompt("Paste the authorization code from Yandex: "); if (!code) { console.error("No code provided. Aborting."); process.exit(1); } console.log("\nExchanging code for token..."); try { const token = await exchangeCodeForToken(code, clientId, clientSecret); console.log("\n✓ Authorization successful!\n"); console.log("Your access token:"); console.log("─".repeat(50)); console.log(token); console.log("─".repeat(50)); console.log("\nAdd it to your MCP config:"); console.log(` { "mcpServers": { "yandex-wordstat": { "command": "npx", "args": ["-y", "yandex-wordstat-mcp"], "env": { "YANDEX_WORDSTAT_TOKEN": "${token}" } } } } `); } catch (err) { console.error("Failed to get token:", err); process.exit(1); } }