🎉 Major New Features

OAuth 2.0 + PKCE Auto-Discovery Support

A significant update that brings enterprise-ready OAuth authentication capabilities to ChatMCP!

✨ New Features

• RFC 8414 compliant OAuth discovery service - Automatically detect OAuth configuration from MCP servers
• Dynamic client registration (RFC 7591) - Support for automatic OAuth client registration
• Public clients with PKCE support - No client_id pre-configuration required
• Auto-detect OAuth requirements - Intelligently identify authentication needs from MCP server URLs
• Bearer token authentication - Added token support for StreamableClient and SSEClient
• Web-based OAuth popup flow - Secure callback handling mechanism
• Browser extension message filtering - Clean OAuth callback experience
• Automatic token refresh and expiry handling - Seamless authentication state management

🔧 Supported Services

• ✅ Notion MCP - Tested and verified
• ✅ Atlassian MCP - Tested and verified
• ✅ Other OAuth-protected MCP services - Universal support

💪 Enterprise-Ready Features

• Production-ready code quality
• Complete documentation support
• Secure authentication flows
• Zero-configuration integration

🛠 Technical Improvements

• Implemented complete OAuth 2.0 authentication flow
• Added PKCE (Proof Key for Code Exchange) security mechanism
• Support for dynamic client registration to simplify integration
• Optimized user experience for web version

🎯 Use Cases

You can now seamlessly integrate with MCP services like:

• Notion workspaces
• Atlassian product suite
• Other enterprise MCP services requiring OAuth authentication

🙏 Contributors

Special thanks to @areisde for contributing this major feature!

Full Changelog: v0.0.74...v0.0.75