Asynthetic for Gemini CLI

io.github.asyntheticai/asynthetic

Ground truth for AI coding agents: what breaks between library versions and how to fix it

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

Install Asynthetic in Gemini CLI

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

{
  "mcpServers": {
    "asynthetic": {
      "httpUrl": "https://asynthetic.up.railway.app/mcp"
    }
  }
}

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