The Personal AI you were promised
Western tropical natal chart and transit computation. Local ephemeris (astronomy-engine, no API keys) for planet positions, ascendant/midheaven, whole-sign houses, and aspects, plus a natal-reading skill that interprets the raw chart into a readable report.
assistant plugins install astrology-horoscopeWestern tropical natal chart and transit computation for the Vellum assistant.
Given a birth date, time, and location, computes:
Given a date and optional natal positions, computes:
All computation is local via astronomy-engine (VSOP87 planetary model, ±1 arcminute accuracy). No API keys, no network calls.
| Tool | Description |
|---|---|
natal_chart | Compute a natal chart from birth data |
transits | Compute current transits and aspects to a natal chart |
The natal-reading skill teaches the assistant how to interpret the raw chart data into a human-readable reading.
assistant plugins install astrology-horoscope
Ask the assistant for your natal chart or current transits. Provide your birth date, time, and location. The assistant calls the tools and interprets the results.
Currently supports whole-sign houses (the oldest and simplest system). Each house corresponds to an entire zodiac sign, starting from the ascendant's sign as House 1.