2026
Social Auto-Posting Stack
Posting the same clip to five platforms by hand is about twenty minutes of identical work: the same file, the same caption, five different upload flows, five different scheduling widgets. Done a few times a week it quietly becomes a part-time job.
This collapses it into one instruction. A video, a caption and a publish time go in, and the post lands on YouTube, TikTok, Instagram, Facebook and LinkedIn at the time asked for.
What it actually does
YouTube takes Shorts and long-form, sets the title and description, uploads the thumbnail, and can go back afterwards to change any of it. Both channels are wired up, so a video goes to whichever one it is meant for.
Instagram and Facebook cover the whole composer: reels, feed posts and stories, with captions, and a chosen cover frame on a reel. One run does both platforms at once. TikTok takes the video with its caption and its privacy setting. LinkedIn posts text and images through the official API.
And anything that can be posted can be scheduled instead, on any of them, for whatever time is asked for.
Two routes, on purpose
Every one of these platforms has an official upload API. The catch is who they are for: Instagram, Facebook and TikTok all gate theirs behind a business account and an approved app, which is not something one person posting their own work has. YouTube and LinkedIn I can use directly, so those two go through their official APIs, which is the version that keeps working when a page gets redesigned.
The other three go through the real composer in a real browser instead, with each login kept in its own browser profile. The usual objection to that is fragility: a redesign moves a button and the upload breaks. That is true of a script clicking fixed coordinates, and it is not what this is. Claude Code drives these runs from the skill, so a button that has moved is something it can find rather than something it trips over, and anything that does trip a run gets written back into the skill afterwards. It gets more reliable the more it is used.
The one saving that falls out of it: Meta runs Instagram and the Facebook Page through a single composer, so those two are one pass rather than two.
Want to know more?
It is part of a bigger private setup. If you would like to find out more about it, contact me.