How to Debug MCP Server Connection Issues in 60 Seconds

A 60-second workflow to debug MCP server connection issues using MCP Workbench. Confirm the server process launches cleanly, fix startup errors, and then use Workbench to send initialize and tools/list requests to identify issues. Once connected, test a tool and analyze the raw JSON-RPC response for errors. If stuck, compare JSON-RPC traffic with an official MCP server.