v0.4.0 Release Notes

Released: 26 Jan 2026

MCPSDK v0.4.0 brings multi-language support with shareable URLs, API call tracking in your dashboard, and new admin controls for managing site access.

🌟 What's New

• Multi-Language Support - Switch between English, Chinese, and Japanese with shareable URLs
• API Call Tracking - Monitor your MCP Server usage directly in the dashboard
• Access Mode Control - Admins can now switch between Public, Invite-Only, and Waitlist modes
• Improved Language Switcher - Instantly switch languages with proper page updates

✨ New Features

🌐 Multi-Language Support

Share links in any language.

MCPSDK now supports multiple languages with URL-based switching:

• English (default): mcpsdk.dev/pricing
• 简体中文: mcpsdk.dev/zh-CN/pricing
• 日本語: mcpsdk.dev/ja/pricing

Simply click the language icon in the navigation bar to switch. Your chosen language is reflected in the URL, making it easy to share links with others in their preferred language.

📊 API Call Tracking

See how your MCP Servers are being used.

The dashboard now includes API call statistics:

• View total API calls across all your servers
• Track usage trends over time
• Monitor which servers are most popular
• Keep an eye on your monthly usage

Find these stats in your Dashboard under the new API Calls section.

🔐 Access Mode Control (Admin)

Control who can access your MCPSDK instance.

System administrators can now configure site access modes:

• Public - Anyone can sign up and use the platform
• Invite-Only - Only users with invite codes can join
• Waitlist - Users apply and wait for approval

Access this setting in System Admin → Settings → Access Mode.

💬 Improved Language Switcher

Switch languages instantly.

The language switcher has been improved:

• Shows your currently selected language correctly
• Updates the entire page when you switch
• Keeps you on the same page in the new language
• Works reliably across all pages

🐛 Bug Fixes

• Fixed language selector always showing "English" even after switching
• Fixed page content not updating when switching languages
• Fixed some pages returning 404 after language changes
• Fixed redirect issues on protected pages
• Improved overall stability of the language system

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Questions or feedback? Visit our GitHub or check the documentation.

Happy building! 🚀