Post to YouTube from Cursor

Attach PostWharf to Cursor once, then publish or schedule YouTube Shorts and long-form uploads by asking for them — and get a receipt saying what actually landed.

Connect it

Declared once in mcpServers, then available from the editor while you work. One workspace key scopes every call to a single brand, so Cursor can only ever reach the accounts in that workspace — not every account you run.

{
  "mcpServers": {
    "wharf": {
      "url": "https://mcp.postwharf.com/mcp",
      "headers": { "Authorization": "Bearer YOUR_WORKSPACE_KEY" }
    }
  }
}

Ask for a YouTube post

Once the server is attached the ask is a prompt in the editor, not a form — in the editor, with the changelog or the release notes already open in front of you:

"Write a description with timestamps for this upload and publish it once the render finishes."

Cursor finds your connected YouTube channel, checks the text against the 5,000-character ceiling before anything is queued, and hands back the queued time. Nothing publishes because a model decided it should.

The useful pattern here is turning a diff into an announcement — the file that changed is the context, so the post does not have to be written from memory afterwards.

What YouTube accepts

Character limit5,000
Counted onthe description
FormatsShorts and long-form uploads

A daily upload quota applies; the queue paces around it rather than failing the post.

What comes back

Every post carries a delivery receipt per channel: the state, the live URL once it is out, and the platform's own reason if it failed. Deliveries are re-checked after publishing, so a YouTube post removed later stops reporting as live instead of sitting in your history as a success. Ask Cursor for the status and it reads that receipt back rather than guessing.

Questions

Can Cursor post to YouTube automatically?

Yes. Connect the PostWharf MCP server to Cursor and it can publish or schedule to a connected YouTube channel, then read the delivery receipt back. The workspace key limits it to the accounts in one workspace, and you keep the approval step.

What do I need before YouTube will work?

A daily upload quota applies; the queue paces around it rather than failing the post. Once the channel is connected in PostWharf, Cursor reaches it the same way it reaches every other network.

How long can a YouTube post be?

5,000 characters, counted on the description. PostWharf checks that before the post is queued, so an over-length post is refused immediately rather than failing at YouTube after everything else in the same batch has already published.