Dropbox MCP list_folder tool has invalid JSON Schema - breaks all Claude sessions with 400 error
I'm reporting a bug in the official Dropbox MCP server (https://mcp.dropbox.com/mcp) that makes it unusable with Anthropic's Claude API (Claude Code, Claude Desktop, and any other Claude client that loads MCP tool schemas). Whenever the Dropbox MCP server is connected, Claude sessions intermittently fail at the very first…
