123
Verified IntegrationClient Configuration
— Connect 123 to Claude Desktop or Cursor in seconds{
"mcpServers": {
"123": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-123"
],
"env": {}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).System Overview
Simplifies the creation and operation of MCP servers and clients with minimal code.
7/21/2026
Open Source
stdio / SSE RPC
Frequently Asked Questions
Architecture and operational details for 123
Yes, MCP-123 features seamless OpenAI integration. The client uses your OpenAI API key to intelligently answer questions, automatically calling your defined tools as needed to fulfill user requests.
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