Preflight

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Preflight is a social media scheduler that checks every post against each network's real publishing rules before it leaves, so a post never fails halfway through a list of networks. It publishes one post to 12 networks: YouTube, TikTok, Instagram, Facebook, Threads, LinkedIn, Pinterest, Bluesky, Mastodon, Telegram, Discord and Tumblr. Text length (counted the way each network counts it), hashtags, file formats and sizes, video length and frame rate, image ratios and per-account limits are checked in the composer, in the REST API and in the hosted MCP server. Clients can approve posts from a link without creating an account, and a post changed after approval goes back for a new approval. Assistants such as Claude, ChatGPT and Cursor can draft, validate, schedule and publish posts through the MCP server with 27 tools. Calendar, queue per channel, analytics, comment inbox, media library and imports from Dropbox, Google Drive and Canva are included. Plans: Free, Starter ($13/month), Pro ($24/month) and Studio ($64/month); REST API, webhooks and MCP are included on every plan.