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mcp/harbor
Gemini CLI

alttext mcp for Gemini CLI

io.github.alttextai/alttext-mcp

Generate alt text, translate descriptions, and manage your AltText.ai image library.

client:Gemini CLI transport:stdio runtime:npm

Install alttext mcp in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "alttext-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alttext_ai/alttext-mcp"
      ],
      "env": {
        "ALTTEXT_API_KEY": "<ALTTEXT_API_KEY>",
        "ALTTEXT_API_BASE_URL": "<ALTTEXT_API_BASE_URL>"
      }
    }
  }
}

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

alttext mcp in other clients

alttext mcp MCP server