EAEshaan Agrawalineshaanaghashnodedev.hashnode.dev·20h ago · 6 min readHow I Found a Silent API Bug in a 3,548-Star MCP ServerThe API accepted your request. Returned HTTP 200. And then quietly did nothing. No error. No stack trace. Just an empty result where your Cypher query should have run. This is the story of how I found21O