Requires Node 18+ on your system so npx can fetch the package on first run. Cursor reloads its MCP servers automatically the moment the file is saved — no restart needed. Paste the config below, then follow the reload step to register @developer-smallestai/smallest-mcp-server.
~/.cursor/mcp.json.cursor/mcp.json (commit alongside your repo){
"mcpServers": {
"smallest": {
"command": "npx",
"args": [
"-y",
"@developer-smallestai/smallest-mcp-server"
],
"env": {
"ATOMS_API_KEY": "sk_your_key_here"
}
}
}
}