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Publish where developers actually read

Developer audiences are spread across Mastodon, Bluesky, Lemmy, DEV, Discord and Slack, and most schedulers cover only a few of those. GPTpost was built to publish to that long tail next to X and the mainstream networks.

What GPTpost does

The long tail, no app-review wait. Mastodon, Bluesky, Lemmy, DEV, WordPress, Telegram, Discord, Slack and Listmonk connect with the credentials you already control.
One post, a version per network. Write once, then shorten for Bluesky (300 characters), add CamelCase hashtags for Mastodon, and give the DEV article its own title.
Changelog and blog to social. Point GPTpost at an RSS feed. Each new item becomes a draft that goes through your normal review before it is scheduled.
Automate it. A public API, webhooks and an MCP server let you schedule from CI, scripts or an AI assistant.
AI on your own key. Writing help runs on your own OpenAI, Anthropic or Gemini key, so prompts go to the model account you chose.

What it does not do yet

Posts to Mastodon, Bluesky, X, Discord and Slack are text only in this release: attached images are refused rather than silently dropped. Telegram takes one photo or video.

X is available now. Facebook Pages, Instagram, Threads, TikTok, YouTube, LinkedIn, Pinterest and Google Business Profile are built into GPTpost and become available as each network completes its review of the app.