Post to X from ChatGPT
ChatGPT is OpenAI's AI assistant. On chatgpt.com you can add your own MCP server as a plugin, and ChatGPT then calls its tools in your chats. A text-only post or a video with text, cut to X's 280-character count.
Connect ChatGPT to Kreatix
Sign in with Kreatix
No key to copy: paste the address, sign in to Kreatix and press Allow.
- Open chatgpt.com/plugins in ChatGPT on the web.
- Select the + button, then Add custom MCP server.
- Enter Kreatix as the name. Under Connection, enter https://api.kreatix.cc/mcp as the Server URL.
- For authentication choose OAuth. You don't need a client ID: Kreatix supports automatic client registration.
- Review the risk warning, select I understand and want to continue, then select Create as a plugin.
- Find Kreatix in your personal plugins, install it and complete the sign-in: sign in to Kreatix and press Allow.
- In a chat, type @ and pick Kreatix.
https://api.kreatix.cc/mcpWith a key
For setups without sign-in. The key works like a password, so keep it to yourself.
- In Kreatix, open Settings > AI agent and create a key. It is shown once.
- Open chatgpt.com/plugins, select + and choose Add custom MCP server.
- Enter Kreatix as the name and paste the address with your key (https://api.kreatix.cc/mcp/YOUR_KEY) as the Server URL.
- For authentication choose No authentication.
- Select I understand and want to continue, then Create as a plugin.
- Install Kreatix from your personal plugins. In a chat, type @ and pick Kreatix.
https://api.kreatix.cc/mcp/YOUR_KEYWhat ChatGPT can do on X
A text-only post or a video with text, cut to X's 280-character count.
| Setting | Values | Needed | What it does |
|---|---|---|---|
caption | string (max 5000) | No | The post text. Only the first 280 go, counted X's way: a link is 23, an emoji 2. A text-only post needs it. |
media_url | URL | No | One video to attach: a link from your Kreatix library or a public YouTube, TikTok, Instagram or Facebook post. Leave it out for a text-only post. |
Ask in plain words
A chat message on chatgpt.com. Type @, pick Kreatix and ask, for example: "@Kreatix which of my pages got the most views this week?"
- Post this on X tomorrow at 10:00: Our spring sale starts Monday, 30% off everything.
- Share my newest video on X and LinkedIn tomorrow at 9:00 with the same caption.
- What do I have planned on X this week?
X rules to know
- Only the first 280 characters go to X, counted X's way: a link counts as 23 and an emoji as 2.
- A longer text is cut, not refused, and never in the middle of a link or an emoji.
- A text-only post needs a caption.
- get_stats has no numbers for X.
Tips for ChatGPT
- Pick Kreatix with @ in the prompt box. If ChatGPT reaches for web search instead, say "use only Kreatix" or name the tool, such as get_stats.
- ChatGPT asks you to confirm before it schedules, moves or cancels a post. You can remember your answer for one conversation; a new conversation asks again.
- When Kreatix adds new tools, open the plugin at chatgpt.com/plugins and select Refresh.
- The agent checks the pages, caption and time with you before it posts. It cannot delete pages, read messages or change your account, and you can remove it any time in Settings > AI agent.
Questions
How do I post to X from ChatGPT?
Connect ChatGPT to Kreatix once, as shown above. Then ask it to post: name your X pages or a page group, the video or text and the time. ChatGPT shows you the plan and posts after you say yes.
What happens to a caption longer than 280 characters?
Kreatix sends the longest start that fits in 280, counted the way X counts: a link is 23 and an emoji 2. It never cuts a link or an emoji in half.
Can I post text only, without a video?
Yes. X, LinkedIn and Facebook take text-only posts. Leave media_url out and give a caption.
Can my agent read how my X posts did?
No. get_stats measures Instagram, Facebook, TikTok and YouTube; X, LinkedIn and Pinterest have no numbers in Kreatix.
Can I share a TikTok or YouTube video on X?
Yes. Give the agent the public link: Kreatix imports the video into your library first, then attaches it to the X post with your text.
Will ChatGPT post without asking me?
No. ChatGPT treats scheduling, moving and cancelling as write actions and asks you to confirm each one. Reading your pages, queue and stats runs without a prompt, because Kreatix marks those tools read-only.
Can I give ChatGPT my key in a header?
No. ChatGPT can't send custom API keys. Use Sign in with Kreatix (OAuth), or paste the address with the key in it and choose No authentication.
Kreatix schedules one video to every page you run, each with its own platform settings.
Start free, then connect ChatGPT