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Let your AI assistant post it

The post kit that the letter opens has one ready prompt for the whole post, every channel in it. Give it to the AI assistant you already use, one that can work a web browser, and it downloads the video, opens the platform and puts the video up with its text while you watch. There is nothing to connect and nothing to set up in Reelwire: the prompt carries everything the assistant needs. To have an assistant post with nobody watching, straight from your webhook, see Let an AI session post it.

Be clear about what that is. Browser automation is young, it works well with some assistants on some platforms and poorly elsewhere, and platforms change their pages often. Treat the assistant as a colleague doing the typing while you sit beside it, not as an autopilot. When it is not working, posting by hand takes two minutes.

What you need​

An AI assistant that can use a web browser. That is how it reaches the platform. ChatGPT in agent mode, Claude with Claude in Chrome, and other assistants with a browser of their own can. A chat assistant that only answers in text cannot post, though it can still help you word a caption.

You, signed in to the platform in that browser, before you start. Open Instagram, TikTok, YouTube, Facebook or LinkedIn in the browser the assistant will use and sign in yourself. The assistant never needs your password.

The letter. "Ready to post" arrives when a post is due. Its button opens the post kit, which works for 14 days.

Step by step​

  1. Open the post kit with the button in the letter.
  2. Copy the prompt. Under the kit's first card, open A prompt for your AI assistant and press Copy. It covers every channel of the post still to be posted.
  3. Paste it into your assistant and send it. Add anything the prompt cannot know, such as which of your accounts to use.
  4. Watch it work. It downloads the video, opens the platform, starts the upload, attaches the video and pastes the text, then stops and shows you the post.
  5. Check the last screen (see below), then press the button that publishes yourself, or tell the assistant to.
  6. Mark it as published. The assistant tells you the link to the post. Paste it into the box beside Mark as published in that channel's card and press it, so Posts reads Published. If you decide not to post it after all, press Skip this post instead.

A post for several channels is still one prompt: it numbers them and asks the assistant to post them one at a time, stopping before each one publishes and telling you its link before it starts the next. Steps 4 to 6 then go round once per channel.

What the prompt says​

For each channel still to post, it asks the assistant to post the video, on the channel's platform where the channel names one, for the account you call by the channel's name. It carries the link to download the video, its shape, the title where there is one, and the text to use exactly as written: the channel's own text, or all three lengths for a channel on No specific platform, to take the one for where it goes. It ends by asking the assistant to show you each post before it publishes, and to tell you the link once it is up. A channel already marked as published or skipped, or whose video is no longer stored, is left out, so opening the kit again gives a prompt for what is left.

You can add to it in your own words:

Post it on our company page, not my personal profile.

The video is already in my Downloads folder. Upload it from there.

Use the first line of the text as the YouTube title and the whole text as the description.

Make it stop before the last button​

The prompt already asks the assistant to show you the post before it publishes. Keep that line, and say it again if you rewrite the prompt: "stop before you press Share, Post or Publish, and show me." Some assistants ask before anything that publishes anyway; do not rely on that, because the button that publishes is named differently on every platform and an assistant cannot always tell it from the ones before it.

On that last screen, check:

  • The account. Your personal profile or the company page, the right Instagram account when you have several.
  • The video. The right one, and not cropped: on instagram.com the crop step should say Original.
  • The text. All of it, with the disclaimer and the link still in.
  • Who can see it. Public, or whatever the platform calls it, where it asks.

Safety and the platforms' rules​

You are the one publishing. The post goes out under your account, and the platform holds you responsible for it, not the assistant. Review before it posts.

The platforms have rules about automation. Most platforms restrict automated use of their websites in their terms, and some watch for it. An assistant clicking through the site on your account is automation, even with you watching. Read the terms of the platform you post to, and if they forbid it, post by hand. Reelwire cannot give you permission that the platform does not.

Never give the assistant your password, or a code from a text message or an authenticator app. Sign in yourself. If the assistant meets a sign-in page, a two-step code or an "is this you?" check, it should stop and hand over to you.

One post at a time. A burst of uploads looks like a bot to a platform, and a mistake repeated ten times is ten posts to delete. Let one finish and check it before it starts the next; the prompt asks for exactly that.

Keep the post kit to yourself. Anybody holding its link can download the videos and mark the post as published, so paste the prompt into your own assistant and nowhere public.

When it gets stuck​

At the file picker. Getting a file into an upload is where assistants differ most: some cannot work a file picker at all, because it belongs to your computer rather than to the web page. Download the video yourself with Download video in the post kit, choose it when the platform asks, then tell the assistant to carry on.

It cannot find a button. Platforms move things, and the same page can look different for different accounts. Tell it what you see, or do that step yourself and let it continue. The steps for each platform are in Post a video by hand.

A pop-up is in the way. A cookie banner, a "try our new feature" dialogue, a survey. Close it yourself, or tell it to.

A sign-in page, a captcha or a two-step code. Always yours to do.

It says it posted, but nothing is there. Look on the platform yourself before asking again. A second attempt may put up a second copy.

When in doubt, finish by hand. Once the video is up, mark it as published in the post kit, with the link to the post, or under More on Posts. Until then the post reads Handed over, and a day after the letter a reminder asks about it.