Semiotic for Gemini CLI

io.github.nteract/semiotic

Verified React chart generation: select, validate, repair, render, and inspect charts through MCP.

client:Gemini CLI transport:streamable-http runtime:npm tools:5

Install Semiotic in Gemini CLI

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

{
  "mcpServers": {
    "semiotic": {
      "httpUrl": "https://semiotic-mcp-server-481507046413.us-west1.run.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