How do I use beginAssetUpload from Claude or ChatGPT?

Connect your AI to The Cloud at https://mcp.thecloud.so/mcp and sign in once. Then ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "upload this master to The Cloud", and it calls beginAssetUpload.

Is beginAssetUpload safe to let an AI call?

beginAssetUpload changes your workspace. What an AI creates is Private until you share it.

Files & Drive

`beginAssetUpload`

Begin Asset Upload

Open a resumable upload for a large file you hold on a container or a MachineSync box (a mastered WAV, a long recording, a video), up to 209715200 bytes, which lands in Cloud Files and, for audio,…

write

Ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "upload this master to The Cloud", and it calls beginAssetUpload.

Example call

The MCP tools/call params, with the required arguments only.

{
  "arguments": {
    "byteSize": 1,
    "contentSha": "<contentSha>",
    "contentType": "<contentType>",
    "name": "<name>"
  },
  "name": "beginAssetUpload"
}

Arguments

byteSizeintegerrequiredThe file's exact size in bytes, at most 209715200.
contentShastringrequiredThe whole file's SHA-256 as 64 hex characters.
contentTypestringrequiredThe file's MIME type, e.g. 'audio/wav'. An audio type also files a Studio Audio asset.
durationMsnumberoptionalAudio length in milliseconds, when you know it.
folderIdstringoptionalFiles folder to land in (folderId from listFiles). Omit for the Files root.
namestringrequiredThe file name, e.g. 'river-meditation.wav'.
provenanceobjectoptionalWho made an audio file, for the Studio Audio chips: role, model and surface.
sourceAudioAssetIdstringoptionalThe Studio Audio asset this file was made from, to file it beside that source.
titlestringoptionalStudio Audio title. Defaults to the file name without its extension.

Returns

The registry does not declare a return shape.

Declared limits

byteSize: greater than 0
byteSize: maximum 9007199254740991

Ask for it

The Cloud routes these requests to this verb.

upload this master to The Cloud
send the cleaned WAV back
push the 115 MB file from the lane

Pair it with

The verbs that finish the job.

Questions

What does beginAssetUpload do?
Open a resumable upload for a large file you hold on a container or a MachineSync box (a mastered WAV, a long recording, a video), up to 209715200 bytes, which lands in Cloud Files and, for audio,… It is one of the tools The Cloud MCP server gives every connected AI.
How do I use beginAssetUpload from Claude or ChatGPT?
Connect your AI to The Cloud at https://mcp.thecloud.so/mcp and sign in once. Then ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "upload this master to The Cloud", and it calls beginAssetUpload.
Is beginAssetUpload safe to let an AI call?
beginAssetUpload changes your workspace. What an AI creates is Private until you share it.

Connect

One endpoint gives your AI this tool and every other one: connect Claude, ChatGPT, Cursor or Gemini, read what The Cloud is, or see pricing.