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Preflight
Social scheduler that checks every post before it leaves
Preflight schedules one post to 12 networks (YouTube, TikTok, Instagram, Facebook, Threads, LinkedIn, Pinterest, Bluesky, Mastodon, Telegram, Discord, Tumblr) and checks it against each network's real rules first: text length counted the way the network counts it, file size, video length, ratios. Clients approve posts from a link, no account needed. REST API and an MCP server for Claude and ChatGPT on every plan, Free included.
Hi, I'm Adam, I built Preflight. I kept watching scheduled posts fail halfway through a list of networks: a Bluesky post over 300 graphemes, an Instagram picture in the wrong ratio, a TikTok video longer than the creator's account allows. The scheduler said "scheduled" and the network said no, usually at 3 a.m.
Preflight runs the same check in the composer, the REST API and the MCP server, using each network's real rules (counted the way the network counts), before anything is sent. It publishes to 12 networks, clients can approve posts from a link without an account, and Claude or ChatGPT can schedule through the MCP server on every plan, including Free.
Things you can try without signing up: the free tools (character counter, video checker, image compressor, aspect ratio checker) and the open dataset of network limits under CC BY 4.0. We also publish a dated tracker of rule changes on the networks, with sources.
I'd love to hear which network's rules have burned you most. I'll answer every comment today.
About Preflight on Product Hunt
“Social scheduler that checks every post before it leaves”
Preflight was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #43 on the daily leaderboard. Preflight schedules one post to 12 networks (YouTube, TikTok, Instagram, Facebook, Threads, LinkedIn, Pinterest, Bluesky, Mastodon, Telegram, Discord, Tumblr) and checks it against each network's real rules first: text length counted the way the network counts it, file size, video length, ratios. Clients approve posts from a link, no account needed. REST API and an MCP server for Claude and ChatGPT on every plan, Free included.
On the analytics side, Preflight competes within Social Media, Marketing and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Preflight performed against the three products that launched closest to it on the same day.
Who hunted Preflight?
Preflight was hunted by Adam Skalický. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Preflight including community comment highlights and product details, visit the product overview.
Adam Skalický