Slabline for Gemini CLI

ai.slabline/slabline

Values graded sports cards and Pokémon/TCG slabs by grade from real sales. Free, read-only.

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

Install Slabline in Gemini CLI

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

{
  "mcpServers": {
    "slabline": {
      "httpUrl": "https://slabline.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