One for Gemini CLI

ai.withone/mcp

Search, document and execute authenticated API calls across 700+ apps via one MCP server

client:Gemini CLI transport:streamable-http runtime:npm

Install One in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "mcp": {
      "httpUrl": "https://mcp.withone.ai/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs