Justcaptions

Connect Remote server

claude mcp add --transport http justcaptions https://api.justcaptions.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "justcaptions": {
      "url": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "justcaptions": {
      "type": "http",
      "url": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.justcaptions.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 9 found in our last check

• list_styles

  List 16 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.

• list_fonts

  List named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.

• get_pricing

  Current API prices and monthly free allowances, no key needed.

• get_usage

  Current usage, estimated bill and monthly spend cap for your configured API key.

• estimate_cost

  Estimate additional cloud charges and available allowance before a batch. Includes active budget holds; does not reserve credit.

• transcribe_audio

  Transcribe extracted audio into segments and word timestamps. Max 12 MB decoded. Never send video. Charged by audio duration past the free allowance.

• correct_captions

  Correct caption text, preserving caption count and order. Does not realign word timing. Billed by input characters.

• translate_captions

  Translate caption lines, preserving count and order. Target-language word timing is estimated by the local renderer. Billed by input characters.

• pick_emojis

  Pick one emoji for each caption. Billed by input characters.

Headers

Details

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