MCP-Server

The server uses `JSON.parse` directly on incoming WebSocket messages, which is generally safe from arbitrary code execution itself. However, the dynamic tool invocation mechanism (`tools[toolName](args)`) without explicit validation beyond checking `tools[toolName]` means that if future tools were to implement sensitive operations based on unvalidated user input, it could lead to vulnerabilities. The current 'hello' tool is benign. The WebSocket server is initiated with `{ port: 3000 }` without an explicit host, which might default to `0.0.0.0` (all interfaces) potentially exposing it beyond `localhost` if not secured by a firewall. No hardcoded secrets or 'eval' are present.