OpenAI has unveiled a new plugin that integrates its ChatGPT with Apple Messages on Mac computers. This plugin empowers ChatGPT (on supported Macs) to search existing conversations, draft responses, analyze message histories, and send replies—all through iMessages, SMS, and RCS messages. Users must manually authorize each message send, and persistent permissions are discouraged. Full Disk Access plus Contact and Automation permissions are required for it to function properly. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
What You Can Do
Once installed from the ChatGPT Plugins interface (under the “Public” category), this Messages plugin allows for prompts like checking your calendar and replying to someone with your availability, suggesting follow-up messages from previous conversations, finding birthdays in Messages to add to Calendar, or detecting potential spam to clean up. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
By default, ChatGPT needs user approval every time a message is sent, avoiding any risks from accidental or unauthorized replies. But to explore messages, scan content, or analyze them, ChatGPT also demands access via Full Disk Access and permissions to contacts and automation tools. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
Availability & Limitations
This integration is limited to Macs with Apple silicon and works in the desktop version of ChatGPT — specifically under Work and Codex modes. It’s not supported in regular ChatGPT chats. Whether Apple was directly involved in creating this plugin is not clear. The implementation relies on AppleScript and macOS Accessibility settings rather than an official Apple-SDK interface. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
This comes amid ongoing legal conflict between Apple and OpenAI, with Apple suing OpenAI for alleged misuse of trade secrets. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
Because these features touch private data heavily, the plugin design emphasizes user control. While message drafts and responses are powered by AI, none of those messages can be sent without your say-so. Granting permanent approval is possible but warned against. Full Disk Access gives the plugin access to local messages data, which underscores the importance of understanding what’s being enabled. ([macrumors.com](https://www.macrumors.com/2026/08/20/chatgpt-imessages-mac/))
This launch signals deeper integration between AI assistants and core messaging platforms. As yet, the plugin doesn’t run on Intel Macs, and functionality is gated to specific modes of OpenAI’s offerings. Whether future updates will expand support or deepen features remains to be seen.
Why This Matters: Allowing AI to comb through your messages and act on your behalf reduces friction in everyday tasks: sending birthday reminders, sorting spam, responding to people, even managing appointments. For users who are compatible and comfortable with data privacy trade-offs, it’s a major productivity booster. But it also highlights how open AI platforms and Apple are handling privacy, automation, and control—topics increasingly under scrutiny. Going forward, watch how access permissions evolve, whether Apple responds, and if the feature expands beyond macOS on Apple silicon.
