Google Drive MCP Server
by benjamine
- gdrive-mcp
- src
setup-auth.ts•11.1 kB
#!/usr/bin/env bun
import { exec } from "node:child_process";
import * as http from "node:http";
import * as url from "node:url";
import { promisify } from "node:util";
import type { OAuth2Client } from "google-auth-library";
import { google } from "googleapis";
const execAsync = promisify(exec);
// Default OAuth2 credentials for gdrive-mcp
// These are shared credentials - users are encouraged to create their own for better reliability
const DEFAULT_CLIENT_ID =
"532676558209-9qhpu7jnl0s6vr9i6cq4k0i1pjs0vg7k.apps.googleusercontent.com";
const DEFAULT_CLIENT_SECRET = "GOCSPX-YourSecretHere"; // TODO: Replace with actual secret
const SCOPES = [
"https://www.googleapis.com/auth/drive",
"https://www.googleapis.com/auth/documents.readonly",
];
const REDIRECT_PORT = 48127;
async function openBrowser(urlToOpen: string): Promise<void> {
const platform = process.platform;
let command: string;
if (platform === "darwin") {
command = `open "${urlToOpen}"`;
} else if (platform === "win32") {
command = `start "${urlToOpen}"`;
} else {
// Linux and others
command = `xdg-open "${urlToOpen}"`;
}
try {
await execAsync(command);
} catch (_error) {
// Silently fail if browser can't be opened
console.log(
"⚠️ Could not open browser automatically. Please open the URL manually.",
);
}
}
async function getAuthorizationCode(
oauth2Client: OAuth2Client,
): Promise<string> {
const authUrl = oauth2Client.generateAuthUrl({
access_type: "offline",
scope: SCOPES,
prompt: "consent", // Force consent screen to ensure we get a refresh token
});
console.log("\n🔗 Opening your browser for authorization...");
console.log(" If it doesn't open automatically, visit this URL:");
console.log(` ${authUrl}\n`);
// Try to open browser automatically
await openBrowser(authUrl);
return new Promise((resolve, reject) => {
const server = http.createServer(async (req, res) => {
try {
if (req.url && req.url.indexOf("/oauth2callback") > -1) {
const qs = new url.URL(req.url, `http://localhost:${REDIRECT_PORT}`)
.searchParams;
const code = qs.get("code");
if (code) {
res.writeHead(200, { "Content-Type": "text/html" });
res.end(`
<!DOCTYPE html>
<html>
<head>
<title>Authorization Successful</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.container {
text-align: center;
padding: 3rem;
background: white;
border-radius: 1rem;
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
max-width: 500px;
}
h1 { color: #2d3748; margin: 0 0 1rem 0; }
p { color: #4a5568; font-size: 1.1rem; }
.checkmark {
font-size: 4rem;
margin-bottom: 1rem;
}
</style>
</head>
<body>
<div class="container">
<div class="checkmark">✅</div>
<h1>Authorization Successful!</h1>
<p>You can close this window and return to the terminal.</p>
</div>
</body>
</html>
`);
server.close();
resolve(code);
} else {
res.writeHead(400, { "Content-Type": "text/html" });
res.end(`
<!DOCTYPE html>
<html>
<head>
<title>Authorization Failed</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.container {
text-align: center;
padding: 3rem;
background: white;
border-radius: 1rem;
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
max-width: 500px;
}
h1 { color: #2d3748; margin: 0 0 1rem 0; }
p { color: #4a5568; font-size: 1.1rem; }
.cross {
font-size: 4rem;
margin-bottom: 1rem;
}
</style>
</head>
<body>
<div class="container">
<div class="cross">❌</div>
<h1>Authorization Failed</h1>
<p>No authorization code received. Please try again.</p>
</div>
</body>
</html>
`);
server.close();
reject(new Error("No code in callback"));
}
}
} catch (e) {
reject(e);
}
});
server.listen(REDIRECT_PORT, () => {
console.log(
`⏳ Waiting for authorization on http://localhost:${REDIRECT_PORT}...\n`,
);
});
});
}
async function main() {
console.log("\n╔════════════════════════════════════════════════════════╗");
console.log("║ 🔐 Google Drive MCP Server - OAuth2 Setup ║");
console.log("╚════════════════════════════════════════════════════════╝\n");
// Get client ID and secret from environment or command line args
let clientId: string = process.env.GOOGLE_CLIENT_ID || process.argv[2] || "";
let clientSecret: string =
process.env.GOOGLE_CLIENT_SECRET || process.argv[3] || "";
// Use defaults if not provided
const usingDefaults = !clientId || !clientSecret;
if (usingDefaults) {
clientId = DEFAULT_CLIENT_ID;
clientSecret = DEFAULT_CLIENT_SECRET;
console.log("ℹ️ Using default OAuth2 credentials (shared among all users)");
console.log("");
console.log("⚠️ For better reliability and performance, create your own:");
console.log(
" 1. Visit: https://console.cloud.google.com/apis/credentials",
);
console.log(" 2. Create a new OAuth 2.0 Client ID (Desktop app)");
console.log(" 3. Run setup again with your credentials:");
console.log(" bun run setup <CLIENT_ID> <CLIENT_SECRET>");
console.log("");
} else {
console.log("✅ Using custom OAuth2 credentials");
console.log("");
}
console.log(
"📋 This setup will authorize gdrive-mcp to access your Google Drive",
);
console.log("");
console.log(" Permissions requested:");
console.log(" • Read access to Google Drive files");
console.log(" • Read access to Google Docs");
console.log("");
const oauth2Client = new google.auth.OAuth2(
clientId,
clientSecret,
`http://localhost:${REDIRECT_PORT}/oauth2callback`,
);
try {
// Get authorization code
const code = await getAuthorizationCode(oauth2Client);
console.log("✅ Authorization code received!");
console.log("🔄 Exchanging code for tokens...\n");
// Exchange for tokens
const { tokens } = await oauth2Client.getToken(code);
if (!tokens.refresh_token) {
throw new Error("No refresh token received. Please try again.");
}
// Store credentials securely using Bun.secrets
console.log("🔐 Storing credentials securely in system keychain...\n");
await Bun.secrets.set({
service: "gdrive-mcp",
name: "client_id",
value: clientId as string,
});
await Bun.secrets.set({
service: "gdrive-mcp",
name: "client_secret",
value: clientSecret as string,
});
await Bun.secrets.set({
service: "gdrive-mcp",
name: "refresh_token",
value: tokens.refresh_token,
});
console.log("╔════════════════════════════════════════════════════════╗");
console.log("║ ✨ Setup Complete! ║");
console.log("╚════════════════════════════════════════════════════════╝\n");
console.log("✅ Credentials stored securely in your system keychain");
console.log(
" (macOS Keychain / Linux libsecret / Windows Credential Manager)\n",
);
console.log("📝 Add this to your Claude Desktop config:");
console.log(" File location:");
console.log(
" • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json",
);
console.log(" • Windows: %APPDATA%\\Claude\\claude_desktop_config.json");
console.log(" • Linux: ~/.config/Claude/claude_desktop_config.json\n");
console.log(" Configuration:");
console.log(" {");
console.log(' "mcpServers": {');
console.log(' "gdrive": {');
console.log(' "command": "bunx",');
console.log(' "args": ["--bun", "gdrive-mcp"]');
console.log(" }");
console.log(" }");
console.log(" }\n");
console.log("💡 No need to store sensitive credentials in config files!");
console.log(" They're securely stored in your system keychain.\n");
if (usingDefaults) {
console.log(
"⚠️ Remember: You're using shared credentials. Consider creating your own!",
);
}
console.log("\n✅ Next steps:");
console.log(
" 1. Copy the configuration above to your Claude Desktop config",
);
console.log(" 2. Restart Claude Desktop");
console.log(" 3. Try asking Claude to read a Google Doc!\n");
} catch (error) {
console.error("\n❌ Setup failed:", error);
console.error("\n💡 Troubleshooting:");
console.error(" • Make sure you allowed all permissions");
console.error(" • Check that port 48127 is not in use");
console.error(" • Try running the setup again");
process.exit(1);
}
}
main();
Latest Blog Posts
- MCP Moves to the Linux Foundation: Neutral Stewardship for Agentic InfrastructureBy Om-Shree-0709 on .mcpanthropicLinux Foundation
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/benjamine/gdrive-mcp'
If you have feedback or need assistance with the MCP directory API, please join our Discord server