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mcp/harbor
Claude Desktop

OpenCaptions for Claude Desktop

io.github.leogaudin/opencaptions

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

client:Claude Desktop transport:stdio runtime:npm

Install OpenCaptions in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.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>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

OpenCaptions in other clients

OpenCaptions MCP server