Do I need an API key to connect ChatGPT?

No. Antwork connects over OAuth — you approve a consent screen in the browser and you are done. There is no key to generate or paste into a URL, which is how most social MCP servers handle it.

Do I need a paid account?

No. The free tier covers one workspace, two connected accounts and 20 posts per cycle, and there is no plan gate on MCP access.

Will ChatGPT post without showing me first?

Not unless you ask it to. Drafting and publishing are two separate steps: the agent writes, renders the post card, and only publishes when you confirm.

Does the writing sound like AI?

Antwork learns a voice profile per connected account by reading what you have already published there, and the agent drafts from that profile. On YouTube Shorts that includes writing to the length the format rewards, up to 5,000 characters.

Antwork

How it works Who it's for Features Pricing

Connect your AI Sign in

Automatechatgpt × youtube

Automate YouTube Shorts with ChatGPT

YouTube is the only platform where the first line of what you write silently becomes the title of the video.

One value to paste

https://api.antwork.io/mcp

ChatGPT reaches Antwork through a custom app in Developer mode. It is the longest setup of any client here, and the only one where you build the connector yourself rather than pasting a single line.

Custom connectors are a paid ChatGPT feature, and Developer mode has to be switched on first.

Connect it

01Turn on Developer modeSettings, then Apps & Connectors, then Advanced settings. Custom connectors do not appear at all until this is on, which is the usual reason the option seems to be missing.

02Create the appBack in Apps & Connectors, click Create app. Name it antwork, paste the MCP server URL, set the connection to OAuth, confirm and create.

03Turn on memory, then authorizeSwitch on "Reference memories and chats" so ChatGPT keeps your brand voice across conversations, then sign in to authorize Antwork.

What you can say once YouTube Shorts is connected

Write the description for this YouTube Shorts video, and make the first line work as the title.

Schedule this Short for Sunday morning and use my usual voice.

Rewrite the first line of my last YouTube Shorts post so it reads better as a title.

How many views did my last five Shorts get?

What is different about YouTube Shorts

Only here

The first hundred characters are the title

YouTube takes the opening 100 characters of the body as the video title. It is the only platform Antwork posts to that derives a second field out of your text, so the agent writes that first line to stand on its own.

Only here

Three minutes, and that is a hard stop

Shorts ends at three minutes, the shortest runtime ceiling of anything here. Past that it is not a Short, and Antwork will not pretend otherwise.

Only here

Vertical or nothing

9:16 is the only ratio accepted. A landscape or square cut is refused outright, which is the usual reason a video that posted to TikTok will not come here unchanged.

Only here

The file size is effectively unlimited

Up to 256 GB per video, roughly a thousand times what Instagram allows. Whatever came out of your editor goes up without a re-encode.

YouTube Shorts limits, as the server enforces them

Max characters5,000

Media per post1

Countingcode points

Posts are capped at 5,000 characters, and the cap is enforced when you schedule or publish, not silently truncated. Note that the first 100 characters of the body also become the video title.

TypeFormatsMax sizePer postCeiling

Video.mp4, .mov, .avi, .wmv, .flv, .webm, .mkv, .m4v, .3gp256 GB1up to 1080x1920 · 3 min max · 9:16

Video.mp4, .mov, .avi, .wmv, .flv, .webm, .mkv, .m4v, .3gp

Max size: 256 GB
Per post: 1
Ceiling: up to 1080x1920 · 3 min max · 9:16

— 1 media items per post, in total.
— Images and video can never share a post. Ask for both and it has to be split into two.

These numbers are read at build time from the same rules file the publishers validate against, so this page cannot claim a limit the server does not enforce.

Questions

Do I need an API key to connect ChatGPT?: No. Antwork connects over OAuth — you approve a consent screen in the browser and you are done. There is no key to generate or paste into a URL, which is how most social MCP servers handle it.
Do I need a paid account?: No. The free tier covers one workspace, two connected accounts and 20 posts per cycle, and there is no plan gate on MCP access.
Will ChatGPT post without showing me first?: Not unless you ask it to. Drafting and publishing are two separate steps: the agent writes, renders the post card, and only publishes when you confirm.
Does the writing sound like AI?: Antwork learns a voice profile per connected account by reading what you have already published there, and the agent drafts from that profile. On YouTube Shorts that includes writing to the length the format rewards, up to 5,000 characters.

Keep going

All agents All platforms for ChatGPT Full ChatGPT setup Antwork for YouTube Shorts Open-source agent skills