MCP Bridge for Claude.ai

Unlock advanced MCP capabilities in Claude.ai. Features OAuth 2.0, secure storage, and auto-connect.

Unlock the full power of the Model Context Protocol (MCP) directly within Claude.ai. This extension acts as a secure bridge, allowing you to connect Claude to your own local or remote MCP servers with enterprise-grade security. Whether you are a developer testing new tools or a power user integrating custom workflows, Claude MCP Bridge provides a seamless and secure connection layer. 🚀 Key Features: • Advanced Security: Built with a security-first approach featuring SSRF protection, strict URL validation, and XSS prevention. • OAuth 2.0 Support: Full support for PKCE flow authentication, ensuring secure connections to protected servers. • Encrypted Vault: Sensitive credentials and tokens are stored using AES-256-GCM encryption locally on your device. • Modern UI: A beautiful, intuitive interface built with Svelte 5, featuring dark mode support. • Auto-Connect: Smart reconnection logic ensures your tools are always ready when you are. • Keyboard Shortcut: Press Alt+Shift+G to quickly open the Manager. • Manifest V3: Fully compliant with the latest browser extension standards for performance and privacy. 🛡️ Privacy & Security: Your data stays yours. Tokens and configurations are stored locally on your device. We do not track your usage or transmit data to external servers. Note: This project uses proprietary licensing for enhancements while maintaining MIT attribution for original components. ================================================================================ MCP Bridge for Claude.ai - Release Notes (v1.0.2) ================================================================================ WHAT'S NEW ================================================================================ Auto-Connect on Page Load -------------------------- - Enabled MCP servers now connect automatically when you open Claude.ai - No more manual toggling required after a page refresh - Tools appear in Claude.ai as soon as the connection is ready Reliable Tool Injection ----------------------- - Fixed race condition where tools failed to appear in Claude.ai on the first page load despite the server connecting successfully - Extension now waits for Claude.ai's UI to fully mount before handing off the connection, preventing missed messages - Toggling a server off in Manager now immediately disconnects it from Claude.ai without requiring a page refresh Manager Page Cleanup -------------------- - Manager page now properly disconnects all active connections when the tab is closed, preventing orphaned background connections BUG FIXES ================================================================================ - Fixed disabled servers occasionally still attempting to connect - Fixed server config sent to page context could include raw unsanitized server data on storage changes (now always sanitized via allowlist) - Fixed connection resource leaks: port1 channels, pending request Maps, and warning timeouts are now properly cleaned up on disconnect - Fixed concurrent syncConnections() calls causing race conditions when toggling servers rapidly (mutex guard added) - Fixed disconnect() being unsafe to call multiple times (idempotency guard) - Fixed stale "Claude.ai hasn't responded" warnings firing after a server was already disabled