Design principles & privacy
Two ideas: charting and conversations stay on your device; accurate charts matter more than fluent prose.
Local-first
| Data | Location | Sent to Mystilink servers? |
|---|---|---|
| Profiles, sessions, charts | Project .mystilink/ | No (no bulk cloud sync) |
| BYOK LLM API keys | Local settings / workspace | No |
| Local usage audit | .mystilink/usage/ | No |
| Account, activation, payments, Newton metering | Mystilink cloud | Yes (required services) |
| Newton inference content | Processed by Newton platform | Only when you choose Newton |
| Installers & update checks | Distribution & release metadata | Yes (metadata) |
Two LLM paths: BYOK goes directly from your machine to the vendor; Newton LLM runs on the Mystilink / Newton platform and is billed from prepaid balance. Content sent to third parties is governed by the applicable privacy policy.
Details: Privacy & local data and Newton LLM. Legal text: Privacy policy.
Deterministic charting
BaZi, Ziwei, astrology, etc. use local engines—reproducible, verifiable—not model guesses.
When the chart is uncertain, the Agent should inquire before a deep reading.
Two configuration layers
- Metaphysics theory — charting workflow.
- LLM (Newton LLM or OpenAI, Anthropic, …) — understanding, planning, writing.
See LLM architecture.