Postnavo is the agentic social media scheduler. Let ChatGPT, Claude, Navo or any AI agent plan, write and schedule posts across 10 networks — or schedule them yourself from one visual calendar.https://postnavo.comhttps://postnavo.com/blog/alt-text-character-limits-social-mediahttps://postnavo.com/blog/alt-text-character-limits-social-mediaAlt text limits for X, LinkedIn, Instagram, Threads, Bluesky, TikTok and Pinterest, quoted from each network's own pages or code, and where none is published.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/bluesky-link-preview-not-showinghttps://postnavo.com/blog/bluesky-link-preview-not-showingOn Bluesky, the app that creates a post attaches the link preview. Why yours shows a bare URL or plain text, and how to check each cause, with sources.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/can-chatgpt-post-to-instagramhttps://postnavo.com/blog/can-chatgpt-post-to-instagramChatGPT has no documented way to post to Instagram by itself. It needs a connected tool, a professional account and media that fits Instagram's API rules.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/how-far-ahead-schedule-posts-each-networkhttps://postnavo.com/blog/how-far-ahead-schedule-posts-each-networkHow far each network's own scheduler reaches, how many posts can wait and what cannot be scheduled, for ten networks, quoted from their own pages.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/human-in-the-loop-ai-social-postshttps://postnavo.com/blog/human-in-the-loop-ai-social-postsKeep a human in the loop when AI agents draft social posts: put the approval gate at the publish step, sort posts by risk and use an eight-point checklist.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/instagram-scheduled-posts-not-postinghttps://postnavo.com/blog/instagram-scheduled-posts-not-postingWhy a scheduled Instagram post, Reel or carousel failed or arrived as a reminder: nine checks from Meta's documentation and two tools' help pages.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/pinterest-scheduling-limitshttps://postnavo.com/blog/pinterest-scheduling-limitsPinterest's own scheduler holds 10 scheduled Pins, each up to 30 days ahead, on business accounts. The sourced limits and what to do past the cap.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/rss-feed-to-blueskyhttps://postnavo.com/blog/rss-feed-to-blueskyPost each new RSS item to Bluesky with a GitHub Actions bot in your own repository, an IFTTT Pro applet or Publer. What each costs and how often it checks.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/social-media-scheduled-posts-not-publishinghttps://postnavo.com/blog/social-media-scheduled-posts-not-publishingWhy scheduled social media posts fail to publish: eight checks, cheapest first, with each network's documented token lifetimes, caps and error messages.Mon, 12 Oct 2026 00:00:00 GMThttps://postnavo.com/blog/post-to-social-media-from-claude-mcphttps://postnavo.com/blog/post-to-social-media-from-claude-mcpWhat an MCP connector is, which Claude plans can add one, and how Claude calls a scheduler's tools to draft and schedule posts, with documented steps.Wed, 30 Sep 2026 00:00:00 GMThttps://postnavo.com/blog/what-is-an-agentic-social-media-schedulerhttps://postnavo.com/blog/what-is-an-agentic-social-media-schedulerAn agentic social media scheduler lets an AI assistant plan and schedule posts through MCP, a CLI or an API. The terms, a comparison table and who approves.Tue, 29 Sep 2026 00:00:00 GMT