Documentation
Browse REST endpoints by topic, copy curl examples, then open the full OpenAPI explorer for parameters and types. MCP tools mirror the same modules — see the connect guide.
Recent API changes
v3.1 — Capabilities caller context
GET /v1/capabilities and MCP get_capabilities: optional Bearer API key adds caller.tier and caller.modules.
GET /v1/capabilities and MCP get_capabilities: optional Bearer API key adds caller.tier and caller.modules.
v3.4.1 — Per-module versions
Each module exposes moduleVersion, packageVersion, and optional constantsVersion. MCP tools/list reflects your plan.
Each module exposes moduleVersion, packageVersion, and optional constantsVersion. MCP tools/list reflects your plan.
v3.0 — Ephemeris module
Module id ephemeris (@astronomycore/engine). Removed /v1/catalog/fixed-stars — use /v1/catalog/stars.
Module id ephemeris (@astronomycore/engine). Removed /v1/catalog/fixed-stars — use /v1/catalog/stars.
Modules & versions
Default free tier: Ephemeris + Sky. Live entitlements:
GET /v1/capabilities.
| Module | Package | moduleVersion | Free tier |
|---|---|---|---|
ephemeris Ephemeris | @astronomycore/engine | 3.5.0 | ✓ |
sky Sky | @astronomycore/sky | 2.1.0 | ✓ |
westernAstrology Western Astrology | @astronomycore/western-astrology | 5.0.0 | — |
astrocartography Astrocartography | @astronomycore/astrocartography | 2.2.0 | — |
numerology Numerology | @astronomycore/numerology | 3.1.1 | — |
gematria Gematria | @astronomycore/gematria | 3.1.1 | — |
earthGrid Earth Grid | @astronomycore/earth-grid | 1.2.0 | — |
locations Locations | @astronomycore/locations | 2.0.0 | — |
galacticTime Galactic Time | @astronomycore/galactic-time | 2.0.1 | — |
chineseAstrology Chinese Astrology | @astronomycore/eastern-astrology | 2.1.2 | — |
vedicAstrology Vedic Astrology | @astronomycore/vedic-astrology | 2.0.0 | — |
Discovery
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