Privacy Policy

Last updated: February 1, 2026

Your privacy is important to us. This policy explains how MCP Challenge collects, uses, and protects your personal information.

Overview

MCP Challenge is an educational platform for learning the Model Context Protocol. We collect minimal data necessary to provide our services and improve your learning experience. We do not sell your personal information to third parties.

What Data We Collect
We collect the following types of information:
  • Account Information
    When you sign in via GitHub OAuth, we collect your email address, username, and profile picture from your GitHub account.
  • Authentication Data
    We store session tokens and authentication credentials to keep you signed in securely.
  • Game & Challenge Data
    We track your game scores, challenge completions, achievements earned, and learning progress to provide personalized features and leaderboards.
  • Usage Analytics
    We use Google Analytics to collect anonymous usage data including pages visited, time spent on site, browser type, and general location (country/city level).
How We Use Cookies
We use cookies and similar technologies for the following purposes:
  • Essential Cookies
    Session cookies required for authentication and core functionality. These cookies are necessary for the site to work properly.
  • Analytics Cookies
    Google Analytics cookies (if you accept) help us understand how users interact with our platform to improve user experience.
  • Preference Cookies
    Cookies that remember your language selection, theme preferences, and cookie consent choices.
How We Use Your Data
We use your personal data for the following purposes:
  • Authentication & Account Management
    To create and manage your account, authenticate your identity, and provide secure access to our platform.
  • Gamification Features
    To track your progress, display leaderboards, award achievements, and personalize your learning experience.
  • Service Improvement
    To analyze usage patterns, identify bugs, improve our content, and develop new features based on user behavior.
  • Communication
    To send important updates about your account, respond to your inquiries, and notify you of changes to our services (if you opt-in).
Third-Party Services
We use the following third-party services:
  • GitHub OAuth
    We use GitHub for secure authentication. GitHub may collect data according to their privacy policy when you sign in. We receive only the basic profile information you authorize.
  • Google Analytics (GA4)
    Google Analytics ID: G-FM35KECLVH. We use this to track anonymous usage statistics. Google may use this data according to their privacy policy. You can opt-out through our cookie consent banner.
  • Cloudflare
    Our infrastructure is hosted on Cloudflare Pages and uses Cloudflare Workers. Cloudflare may collect connection data for security and performance purposes according to their privacy policy.
Data Retention
We retain your data as follows:
  • Account & Profile Data
    Stored indefinitely while your account is active. You can request deletion at any time by contacting us.
  • Analytics Data
    Google Analytics data is retained for 26 months according to Google's data retention policies. We have configured GA4 to use the shortest retention period available.
  • After Account Deletion
    When you delete your account, we remove all personally identifiable information within 30 days. Anonymized statistics may be retained for historical purposes.
Your Rights (GDPR)
Under GDPR and similar privacy laws, you have the following rights:
  • Right to Access
    You can request a copy of all personal data we hold about you.
  • Right to Rectification
    You can request corrections to any inaccurate or incomplete personal data.
  • Right to Erasure
    You can request deletion of your personal data ('right to be forgotten'), subject to legal obligations.
  • Right to Data Portability
    You can request your data in a structured, commonly used, machine-readable format.
  • Right to Object
    You can object to certain types of data processing, including direct marketing and analytics.
Data Security
How we protect your information:

We implement industry-standard security measures to protect your data including encryption in transit (HTTPS/TLS), secure authentication via OAuth 2.0, encrypted database storage, regular security audits, and access controls limiting employee data access. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.

Contact Us
Questions about this privacy policy?

If you have questions about this Privacy Policy, want to exercise your rights, or report a data concern, please contact us:

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of significant changes by posting a notice on our website or sending an email to registered users. Your continued use of MCP Challenge after changes constitutes acceptance of the updated policy.

By using MCP Challenge, you agree to this Privacy Policy. If you do not agree, please discontinue use of our services.

MCP Challenge - Learn & Master the Model Context Protocol