Why your MCP server randomly shows no tools: the npx startup tax
This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.
If you've wired an MCP server into an agent client with "command": "npx" , you've probably met this one. The server runs fine when you launch it by hand. The agent insists the tools don't exist. No error, nothing useful in the log, and maybe it works again tomorrow. I've been digging through a pile…
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- 2026-09-16 17:16 · DEV Community — AI
Why your MCP server randomly shows no tools: the npx startup tax