A developer encountered unexpected issues while debugging a server for the story-cli project, which uses the MCP protocol over stdio. Despite passing all automated tests, the server failed to respond to real requests. The investigation revealed three critical bugs related to Node.js process management and the stdio protocol. These included improper use of `process.exit()`, printing debug logs to stdout instead of stderr, and not properly waiting for asynchronous operations to complete within the `close` event. AI
IMPACT Highlights common pitfalls in inter-process communication for AI-adjacent tooling.
RANK_REASON Article details debugging of a specific tool's internal protocol implementation.
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