✷Complete Engine Capabilities Reference

Everything Birthstar Can Calculate.

30 specialized computational engines built on compiled Swiss Ephemeris C-extensions (NASA JPL DE431). Explore the full inventory of mathematical tools available to any MCP client.

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Total Tools

Harmonic Vargas

16 · D1–D60

Dasha Systems

4 Clocks

Ephemeris Core

NASA JPL

✷Tool Catalog

30 Specialized Astronomical Tools

Each tool delivers deterministic, verifiable mathematical figures. If something is school-divergent or uncomputable, the engine returns explicit status tags rather than hallucinating numbers.

Core Chart Calculation & Inspection

2 tools

Deterministic chart calculation on Swiss Ephemeris C-extensions with cryptographic handles.

create_chart

Compute a complete Vedic birth chart with sub-arcsecond accuracy.

Core Chart

describe_chart

Plain-language high-level synthesis of rising sign, Moon sign & yogas.

Core Chart

Planets, Dignities & Special Points

6 tools

True sidereal longitudes, speeds, retrograde status, combustion, and functional roles.

get_grahas

Planetary longitudes, speeds, retrograde state, combustion, and exaltation.

Planets

get_lagna_points

Special Ascendant points: Bhava Lagna, Hora Lagna, Ghatika Lagna, Pranapada.

Planets

get_fixed_stars

Longitudes of major fixed stars (Aldebaran, Regulus, Spica, Antares) and conjunctions.

Planets

get_karakas

8 Jaimini Chara Karakas (Atmakaraka, Amatyakaraka, Bhratri, Matri, Pitri, Putra, Gnati, Dara).

Planets

get_avasthas

Planetary states: Baladi (age), Jagradadi (alertness), and Deeptadi (dignity).

Planets

calculate_birth_star

Birth star (Nakshatra), pada (quarter), Moon degree, and ruler.

Planets

Houses & Aspect Calculations

2 tools

Bhava cusps across 5 house systems and classical full/partial planetary drishti aspects.

get_houses

Twelve house cusps and occupants across Whole Sign, Sripati, Equal, or Placidus.

Houses

get_aspects

Special planetary aspects (Mars 4/8, Jupiter 5/9, Saturn 3/10) with exact virupa orbs.

Houses

Divisional Vargas & Strength Systems

4 tools

Sixteen harmonic division charts (D1 to D60) and classical Shadbala 6-fold virupa strengths.

get_strengths

Full Shadbala (6-tier virupa strength), Ishta/Kashta Phala, and planetary rankings.

Vargas

get_ashtakavarga

Bhinnashtakavarga and Sarvashtakavarga point grids (bindus) across all 12 houses.

Vargas

get_varga

Harmonic divisional charts from D1 (Rashi) up to D60 (Shashtiamsa) with sign occupants.

Vargas

get_vimsopaka

20-point Vimsopaka strength across Shadvarga, Saptavarga, Dashavarga, and Shodashavarga.

Vargas

Multi-System Dashas, Transits & Muhurta

6 tools

Vimshottari (5-tier), Yogini (3-tier), Ashtottari, Jaimini Chara Dashas, continuous transits, and Panchanga.

get_current_dasha

Active Mahadasha, Antardasha, Pratyantardasha, Sukshma, and Pranadasha.

Dashas

get_dasha_periods

Complete chronological table of dasha periods and sub-periods.

Dashas

get_timeline

Unified multi-year timeline synthesizing life-period turnovers and slow transits.

Dashas

get_transits

Planetary transits over birth chart houses and Sade Sati passage radar.

Dashas

get_day_periods

Daily timing windows: Rahu Kala, Yamaganda, Gulika, Abhijit, Brahma Muhurta.

Dashas

get_panchanga

Daily traditional calendar: Tithi, Vara, Nakshatra, Yoga, and Karana.

Dashas

Classical Yogas & Longevity Analysis

2 tools

Combinations for power, wealth, spiritual elevation, adversity mitigation, and longevity.

get_yogas

Hundreds of classical yogas (Raja, Dhana, Mahapurusha, Viparita, Neechabhanga, Gajakesari).

Yogas

get_longevity

Mathematical Pindayu, Nisargayu, and Amsayu spans with classical reductions.

Yogas

Rectification & Precision Calibration

1 tool

Birth time uncertainty window analysis (±30m) and historical event candidate testing.

rectify_birth_time

Check chart stability across uncertainty windows and score past life milestones.

Rectification

Compatibility, Doshas & Numerology

3 tools

Classical 36-point Ashta-Kuta synastry, Kuja/Kaal Sarp dosha diagnostics, and Chaldean name vibrations.

get_compatibility

Calculate 36-point Ashta-Kuta Guna Milan and Kuja Dosha mutual balance between two charts.

Compatibility

get_doshas

Audit Kuja Dosha (Manglik), 12 Kaal Sarp variants, Gandanta junctions, and Pitre dosha.

Compatibility

get_numerology

Calculate Chaldean Name Number, Mulank, Bhagyank, and ruling planetary archetypes.

Compatibility

Prompts, Telemetry & Server Health

4 tools

Curated prompt library, account quota status, and live server health observability.

get_prompt_library

Search and inspect pre-built prompt workflows by category or domain.

Server

get_account_status

Check remaining daily demo credits, monthly balance, and rate ceilings.

Server

server_stats

High-level server performance telemetry and cache hit rates.

Server

health_check

Engine self-tests verifying Swiss Ephemeris C-extension precision.

Server

✷System Specifications

Vedic Astrology Engine Architecture

Category	Supported Options & Defaults	Standard Reference
Ayanāṁśas	lahiri (default), true_chitra, raman, kp, yukteshwar, fagan_bradley	Swiss Ephemeris true sidereal algorithms
House Systems	whole_sign (default), sripati, equal, placidus, kp	Classical Vedic & Western quadrant systems
Harmonic Vargas	D1, D2, D3, D4, D7, D9, D10, D12, D16, D20, D24, D27, D30, D40, D45, D60	Brihat Parasara Hora Shastra (BPHS)
Dasha Clocks	Vimshottari (5 tiers), Yogini (3 tiers), Ashtottari (conditional), Jaimini Chara Dasha	120-year Nakshatra cycles