What happend?
I tried this tutorial( 👉https://modelcontextprotocol.io/quickstart ) , and encountered following error in MCP log when I started the Claude Desktop App.
2024-12-12T07:24:00.201Z [error] Could not start MCP server weather: Error: spawn node ENOENT
at ChildProcess._handle.onexit (node:internal/child_process:286:19)
at onErrorNT (node:internal/child_process:484:16)
at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
errno: -2,
code: 'ENOENT',
syscall: 'spawn node',
path: 'node',
spawnargs: [Array]
}
Environment
macOS 14.3.1(Sonoma)
asdf v0.13.1
node v20.11.0
% which node
/Users/user_name/.asdf/shims/node
Solution
My claude_desktop_config.json has problems.
I changed laude_desktop_config.json like "after" and restarted the Claude Desktop App.
- before
{
"mcpServers": {
"weather": {
"command": "node",
"args": [
"/Users/user_name/develop/mcp/tutorial/weather-server/build/index.js"
]
}
}
}
- after
{
"mcpServers": {
"weather": {
"command": "node",
"args": ["/Users/user_name/develop/mcp/tutorial/weather-server/build/index.js"],
"env": {
"PATH": "/Users/user_name/.asdf/shims:/usr/bin:/bin",
"ASDF_DIR": "/opt/homebrew/opt/asdf/libexec",
"ASDF_DATA_DIR": "/Users/user_name/.asdf",
"ASDF_NODEJS_VERSION": "20.11.0"
}
}
}
}
I add "env" key.
ASDF_DIR is set this(↓) value.
% echo $ASDF_DIR
/opt/homebrew/opt/asdf/libexec
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