How to make and post TikToks from ChatGPT or Claude

On its own, an assistant is good at the words: ideas for posts, opening lines, slide text, captions. It cannot render a slideshow or video in the shape each platform wants, and it cannot post, because TikTok, Instagram and YouTube only accept posts from their own apps or from apps they have approved, acting for an account you connected.

So the useful set-up is an assistant for the conversation and a tool behind it that makes and publishes the posts.

A connector gives the assistant a set of tools it can use for you. Most are built on MCP, an open standard both ChatGPT and Claude support. Adding one means pasting the tool's server address into the assistant's settings and signing in to that tool once; from then on the assistant can call it in any chat where it is switched on.

In Claude, open Customize, then Connectors, choose Add, then Add custom connector. Give it a name, paste the server address, and sign in when Claude asks. The free plan allows one custom connector; on a Team or Enterprise plan an owner adds it in the organization's settings, and each member then clicks Connect.

In ChatGPT on the web, open Plugins, choose to add a custom MCP server, paste the server address, choose how it signs in, and confirm. It is not available in the mobile apps. Which plans can add one, and what they can do with it, has changed often; OpenAI's help center has the current list.

If you work in Claude Code, Codex, Cursor or a similar agent, the same tools often come as a command-line program or a skill as well as an MCP server. A command-line tool is easier to script - for example, asking the agent to make this week's posts from your latest release notes.

Most tools treat a connected assistant as you, so your word in the chat is the approval. Tell it, at the start, to show you each post before it goes out and to say the price before anything that costs money. Keep posting, scheduling, deleting and disconnecting as things it does only when you ask.

Read what it made before you approve it. An assistant will happily post something confident and wrong about your own app.

Topped is one tool built for this. Add app.topped.ai/api/mcp as a custom connector in Claude or ChatGPT and sign in with Topped, and the assistant can read the drafts Topped proposed for you, make new ones as slideshows, walls of text or demo videos, show them as a card in the chat, and approve, schedule or post them to your own accounts. Coding agents can use the topped command-line tool or skill instead. It says the price before anything that spends credits, and there is a free plan with no card.