Periodic Table 2026 for Gemini CLI

io.github.changzhiai/periodic-table

Interactive periodic table with all 118 elements. Properties, comparisons, and more.

client:Gemini CLI transport:streamable-http tools:4

Install Periodic Table 2026 in Gemini CLI

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

{
  "mcpServers": {
    "periodic-table": {
      "httpUrl": "https://theperiodictable.org/mcp"
    }
  }
}

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