Changelog
WarmInboxes Deliverability AI is live in ChatGPT
WarmInboxes is published in the ChatGPT plugin directory. Add it in one click, with no developer mode, no account and no API key, and ask ChatGPT what is wrong with your cold email: it runs our free checks, cites the tool behind every answer, and says what it could not see.
New
- The WarmInboxes plugin in ChatGPT: the free deliverability checks, copy and list tools, inbox planning, our placement research and the operator playbook, inside ChatGPT. Every Add to ChatGPT button on the site now opens the listing. Deliverability AI for ChatGPT
- Adding it no longer needs developer mode or a custom MCP server: open the plugin, click Add, and pick WarmInboxes from the + menu in a chat. Open in ChatGPT
- The ChatGPT plugin page is linked from the footer, under Platform.