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.