The bottleneck was never uploading — it was writing six different versions and remembering which network needs a vertical video. That part is now the AI’s job.
Six destinations, six different asks. The rules on the right are the ones each network genuinely enforces.
The work is not uploading, it is rewriting. Give Claude, ChatGPT or Cursor the piece and it produces the Short title, the Reel caption, the tweet, the LinkedIn version and the Threads hook — then dry-runs each against its network’s limits through PostMCP.
Fill the calendar in one session and drag things around when life happens. Month, week and day views, and every card shows its real delivery state rather than a hopeful tick.
Generate a post image from a prompt, steered by a reference image so the thumbnails look like a set instead of six unrelated experiments.
Seven platforms, one calendar, one login. Instagram, YouTube Shorts, Threads, X, LinkedIn, Facebook and Bluesky — including the ones you keep meaning to be consistent on.
One that adapts the post rather than duplicating it. PostMCP AI publishes to seven networks from a single action and lets each carry its own copy and media — so the Short gets a title, the tweet gets a hook, and LinkedIn gets the reasoning, all from one piece of content.
Yes. Instagram publishes video as a Reel and requires media on every post; YouTube Shorts needs a vertical video up to 3 minutes and 256MB, and takes its title from the first line of your copy, truncated at 100 characters. Both are pre-flighted before anything queues.
Write your voice down once — tone, audience, the phrases you use, a reference image for visuals — in your agent’s own instructions, a Claude Project or ChatGPT’s custom instructions. Every draft it sends to PostMCP reads it first. Without it you get competent generic copy; with it you get something that actually sounds like your channel.
Always. Drafts land as drafts, and your agent asks before it runs a tool that publishes. Nothing reaches a network until you say so, and a scheduled post stays editable right up until its slot.
Yes — Free Forever gives you 5 connected profiles and 20 credits a month with the full calendar. Starter is $20/month, or $16/month billed annually, for 10 profiles and 2,000 credits.
The others still go out. Each profile is its own delivery with its own status and the network’s actual error message. Retrying re-sends only the ones that failed, so nobody gets the same post twice.