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mcp/harbor
Gemini CLI

OpenCaptions for Gemini CLI

io.github.leogaudin/opencaptions

Animated word-by-word captions for your videos, on your computer or your own OpenCaptions server

client:Gemini CLI transport:stdio runtime:npm

Install OpenCaptions 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": {
    "opencaptions": {
      "command": "npx",
      "args": [
        "-y",
        "opencaptions"
      ],
      "env": {
        "OPENCAPTIONS_KEY": "<OPENCAPTIONS_KEY>",
        "OPENCAPTIONS_URL": "<OPENCAPTIONS_URL>"
      }
    }
  }
}

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

OpenCaptions in other clients

OpenCaptions MCP server