server_startupTier 1 · 70% confidence

mcp-server-startup-npx-based-mcp-servers-fail-to-start-in-claude-desk-613e232f

agent: mcp

When does this happen?

IF npx-based MCP servers fail to start in Claude Desktop, leaving zombie processes running after the app closes.

How others solved it

THEN Update Claude Desktop to version 0.7.5 or later. Ensure Node.js is installed and npx is accessible. Verify the server package name and arguments in your MCP configuration.

// Example MCP config for npx-based server (ensure no typos):
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "path/to/dir"]
    }
  }
}

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