promptboard
Verified Safeby pjueon
Overview
Provides a shared whiteboard as a visual context buffer for AI agents via the Model Context Protocol (MCP).
Installation
npx -y promptboardEnvironment Variables
- MCP_DEBUG
Security Notes
The application uses a two-process architecture with local WebSocket communication (`localhost`) between the MCP Bridge (Node.js) and the Electron GUI. This local-only communication mitigates remote attack vectors. File system operations for saving/loading whiteboard state and user settings are expected for a desktop application. The Electron preload script uses `contextBridge` for secure exposure of IPC functionality. The `postinstall` script downloads platform-specific Electron binaries from GitHub Releases, which is a common practice but introduces a minimal supply chain risk if the GitHub repository were compromised. `child_process.spawn` is used to launch the GUI from the MCP bridge, which is a necessary and justified pattern for this architecture.
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