Privacy Policy for Lucy Desktop
Lucy Desktop is a local-first AI assistant for Mac. This policy explains how the desktop app handles local memories, chats, settings, models, and optional tools.
Short version
Lucy Desktop is designed so your core assistant data stays on your Mac. We do not sell your personal data, run an advertising profile, or require a cloud account for local use.
Information Lucy Desktop may store locally
Lucy may save app data on your Mac so the assistant can work across sessions. Depending on how you use Lucy, this may include:
- Chats, prompts, assistant responses, drafts, and task history.
- Local memories or notes that help Lucy remember preferences and context.
- Settings such as model provider choices, enabled tools, UI preferences, and local paths.
- Local AI model configuration and model files you add to the app.
- Local logs or diagnostic output needed to troubleshoot features.
How Lucy uses local data
Lucy uses local app data to answer your requests, remember context you choose to keep, run local tools, configure local AI models, and improve the continuity of your personal workspace. Lucy does not use your data for third-party advertising or sell it to data brokers.
AI models and optional internet tools
Lucy is built around local AI execution where available, including MLX on Apple Silicon and local GGUF models through llama.cpp on supported Intel Macs. If you choose to configure an external model provider, web search, remote API, or other internet-enabled tool, the information you send through that feature may be processed by the relevant third-party service under that service’s own terms and privacy policy.
Only enable internet-connected tools if you are comfortable sending the selected request or content to that service.
Browser content
Lucy Desktop can receive webpage content from the optional Lucy Bridge Chrome extension through a localhost bridge. Browser content is sent to Lucy only when you click the extension. Depending on the page, the local bridge may receive the page URL, page title, extracted page text, raw visible page text, and structured details for visible LinkedIn posts. The extension has its own separate policy: Lucy Bridge Privacy Policy.
The local bridge may keep the latest captured page in memory and temporary files on your Mac, including /tmp/lucy_browser_page.txt, /tmp/lucy_browser_raw_page.txt, and /tmp/lucy_browser_linkedin_posts.json, so Lucy can use the page in your local session.
Data sharing
Lucy Desktop does not sell, rent, or share your personal data for advertising. Local data remains on your Mac unless you choose to export it, back it up, sync it through your own system tools, or use an optional internet-connected feature that sends selected content to another service.
Data deletion and control
You control the data stored by Lucy on your Mac. You can delete chats, memories, settings, model files, exported content, or the Lucy app data folders using the app’s controls where available or through macOS file management. If you back up your Mac, deleted Lucy data may remain in your backups until those backups expire or are removed.
Security
Lucy is designed to minimize unnecessary data movement. Still, no software can guarantee perfect security. Keep macOS updated, download Lucy from the official GitHub release or website, and be careful when installing third-party model files or enabling tools from untrusted sources.
Children
Lucy is not intended for children under 13. Do not use Lucy to knowingly collect or process children’s personal information.
Changes to this policy
We may update this policy as Lucy evolves. When we do, we will update the effective date and publish the revised policy on this website.
Contact
For questions, open an issue on the Lucy GitHub repository.