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promptboard

Verified Safe

by pjueon

Overview

Provides a shared whiteboard as a visual context buffer for AI agents via the Model Context Protocol (MCP).

Installation

Run Command
npx -y promptboard

Environment 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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Stats

Interest Score67
Security Score8
Cost ClassHigh
Avg Tokens750000
Stars4
Forks0
Last Update2025-12-06

Tags

WhiteboardMCPAI AgentVisual ContextElectron