katto-mcp
Katto turns long videos, podcasts and Twitch VODs into scored, captioned 9:16 clips, straight from your AI agent.
What it can do
- Katto Create Clip Job: Submit a long video (YouTube, Twitch, Vimeo, Rumble, Zoom, Dailymotion) to Katto. Returns a job id; the clips finish asynchronously in ~5-7 min. Poll katto_get_job with the id u
- Katto Get Job: Get the status and clips of a Katto job by id. When status is 'completed', 'clips' holds the finished 9:16 MP4 urls and caption (SRT) urls.
- Katto List Jobs: List your recent Katto jobs, newest first. Paginate with 'cursor' and optionally filter by 'status'.
What data it sees
Do you need an account
No: the server works without sign-in
Katto turns long videos, podcasts and Twitch VODs into scored, captioned 9:16 clips, straight from your AI agent.
Connect via one-click hosted OAuth (no API key on disk). Katto transcribes, scores the best moments, reframes to vertical with face tracking, and burns captions.
Tools: create clip jobs, poll status, fetch finished clips, get timestamped transcripts, cancel jobs, re-render with new layouts and caption styles, dub into 8 languages, read plan and usage.
Supported sources: YouTube, Twitch, Vimeo, Rumble, Zoom, Dailymotion.
How to connect
How to connect katto-mcp to Claude
The server address to paste into Claude settings:
https://katto-mcp--dev-4lue.run.tools
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect katto-mcp to ChatGPT
The server address to paste into ChatGPT settings:
https://katto-mcp--dev-4lue.run.tools
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect katto-mcp to Cursor
The server address to paste into Cursor settings:
https://katto-mcp--dev-4lue.run.tools
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (15)
Raw names from tools/list. Only developers need these.
| katto_create_clip_job | Submit a long video (YouTube, Twitch, Vimeo, Rumble, Zoom, Dailymotion) to Katto. Returns a job id; the clips finish asynchronously in ~5-7 min. Poll katto_get_job with the id until status is 'completed'. |
| katto_get_job | Get the status and clips of a Katto job by id. When status is 'completed', 'clips' holds the finished 9:16 MP4 urls and caption (SRT) urls. |
| katto_list_jobs | List your recent Katto jobs, newest first. Paginate with 'cursor' and optionally filter by 'status'. |
| katto_get_clips | Convenience: fetch just the finished clips of a job (9:16 MP4 urls + caption SRT urls). |
| katto_get_usage | Get your current plan and monthly video quota: { plan, videos_used, videos_limit, videos_remaining }. |
| katto_get_transcript | Get the compact transcript of a completed job as timestamped segments [{ start, end, text }]. |
| katto_cancel_job | Cancel a still-running job (queued/processing) and refund the monthly video slot. Returns an error if the job already finished, failed, or was cancelled. |
| katto_get_account | Get the account behind this connection: plan, this key's scopes, and monthly quota { videos_used, videos_limit, videos_remaining }. |
| katto_list_sources | List the video platforms Katto can clip from, with an example URL for each. Use this to confirm a URL is supported before calling katto_create_clip_job. |
| katto_list_clip_lengths | List the valid values for the optional config.clipLength on katto_create_clip_job (target clip duration buckets). |
| katto_rerender_clip | Re-render one finished clip with a new reframe layout and/or caption style. Does NOT use video quota. Returns a rerender_id; poll katto_get_rerender for the new clip url. |
| katto_dub_clip | Re-render one finished clip dubbed into one or more languages (en, es, fr, it, pt, hi, ja, zh). Does NOT use video quota. Returns a rerender_id; poll katto_get_rerender for the result. |
| katto_get_rerender | Poll a re-render started by katto_rerender_clip or katto_dub_clip. Returns { status, clip_url, captions_url }. |
| katto_get_brand_kit | Get your saved brand kits (colors, caption font and position, default layout, watermark url). |
| katto_get_webhook_secret | Get your webhook signing secret and how to verify Katto's signed completion callbacks (HMAC-SHA256 of {timestamp}.{body}). Pass webhook_url on a job to receive them. |