Alto MCP server

• complete_uploadwrite actionFree

  Join the parts of an upload started with create_upload, create the video, and make one tracked link per recipient. Returns the video, its share link and each recipient's link.

• create_linkwrite actionFree

  Make a tracked link to a video for one person, so every view is tied to them. Returns the link's URL to paste into an email.

• create_uploadwrite actionFree

  Start uploading a finished video (MP4, MOV or WebM) in parts. Returns an uploadId and one URL per part: PUT each part's exact bytes to its URL with the same Authorization header, keep the etag each PUT answers, then call complete_upload. Parts are partBytes long except the last.

• get_momentsFree

  Plays, how much people watched, how far each chapter reached and which one was rewatched, and where the most viewers left. Part of Pro's full API.

• list_linksFree

  Every recipient link, or one video's, with its status (watching, watched, opened, not opened, expired, disabled) and how much was watched.

• list_videosFree

  Your library, newest first, with each video's id, title, share link and totals.

• list_viewersFree

  Everyone who opened one of your links: recipients, people their links were forwarded to, and anonymous viewers, with how much they watched and whether they're watching now.

• upload_videowrite actionFree

  Upload a finished video that is already online (an https URL Alto can download, up to 2 GB), create it, and make one tracked link per recipient. For a file on your machine, use create_upload.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 520ms (auth required)20/20
• Tool poisoning8 tool descriptions checked15/15
• Auth qualityOAuth resource metadata advertised on 40115/15
• Maintenanceno repository listed3/15
• Maintainer identityendpoint served from the registry-verified namespace domain8/10

Safety score

81/100

higher than 63% of 1,337 Media servers

Tools

8

the typical Media server has 7

Tools that change things

50%

typical: 4%. Fewer write tools means less an agent can break

Uptime

100%

of our recent checks; the typical remote Media server answers 100%

Response time

288 ms

faster than 56% of 862 Media servers

Alto: common questions

Is Alto MCP server safe?

Mostly: it is graded B (81/100). Read the Alto safety report

How do I install Alto?

It runs remotely at alto.video. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Alto need an API key?

No key to paste: it signs you in with OAuth when your client connects.

Is Alto maintained?

The latest release is v1.0.0.

Is Alto up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of Alto?

Servers from other publishers that do the same job: Bilibili Huasheng Video MCP server, proofcut MCP server and Katto MCP server.

How does Alto compare with other Media MCP servers?

safety score 81/100 (higher than 63% of 1,337 Media servers); tools 8 (the typical Media server has 7); tools that change things 50% (typical: 4%. Fewer write tools means less an agent can break). Full comparison.