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Kundlit Vedic Astrology

Sade Sati (Saturn transit) status

get_sade_sati
Read-onlyIdempotent

Returns a person's Sade Sati status -- Saturn's roughly 7.5-year passage over the sign before, the same as, and the sign after their natal Moon: whether it is currently active, the phase (rising / peak / setting) with its start and end dates, the phases still to come, the natal Moon rashi, Saturn's sign now, and dhaiya (small panoti) status. Use this for 'when does my sade sati start/end' and 'am I in shani sade sati' questions. This is Saturn-only; for where ALL nine grahas are transiting now (and their houses from the natal Moon) call get_transits. Read-only deterministic computation (Swiss Ephemeris, Lahiri ayanamsa); no writes, no auth, at least 30 requests/min/IP per server instance, plus a shared engine budget of at least 60/min/IP across all engine-backed tools. Dates are computed, not predicted -- no interpretation of what the period will bring is returned.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
placeNoPlace as free text, "City, State, Country" -- e.g. "Jaipur, Rajasthan, India". Preferred input: it is geocoded to coordinates and an IANA timezone server-side, and any city worldwide works. Omit only if you pass latitude + longitude + timezone instead.
latitudeNoLatitude in decimal degrees, -90 to 90, north positive (Delhi = 28.6139). Use only when `place` is omitted, and then longitude and timezone are required too.
timezoneNoIANA timezone name, e.g. "Asia/Kolkata" or "America/New_York" (never an offset like "+05:30"). Required when latitude/longitude are used; ignored when `place` is given.
longitudeNoLongitude in decimal degrees, -180 to 180, east positive (Delhi = 77.2090). Use only when `place` is omitted.
as_of_dateNoEvaluate Saturn's position as of this date, YYYY-MM-DD, years 1200-2400. Omit for today. Use it to ask 'was I in sade sati in 2019' or 'will I be in 2031'.
birth_dateYesBirth date in the Gregorian calendar as YYYY-MM-DD, e.g. 1992-03-14. Years 1200-2400 only, and it must be a real calendar date (2023-02-29 is rejected).
birth_timeYesBirth time on the local clock at the birth place, HH:MM in 24-hour format (00:00-23:59), e.g. 06:45 or 18:20. Not UTC. Required and not defaulted: the ascendant moves about one degree every four minutes, so a guessed time gives a guessed chart.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint, idempotentHint), the description adds specifics: deterministic Swiss Ephemeris computation, Lahiri ayanamsa, no writes, no auth, rate limits, and that dates are computed not predicted. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two paragraphs: first defines output and usage, second covers scope/constraints. Front-loaded with most important info, no unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description enumerates all return fields (phase, dates, dhaiya, etc.). Covers rate limits, deterministic nature, and provides sibling guidance. Complete for complex tool with 7 parameters.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% coverage, but description adds critical context: for place/lat/lon/timezone it explains fallback; for birth_time warns about ascendant sensitivity; for as_of_date gives usage examples. Adds value beyond schema definitions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description explicitly states it returns Sade Sati status with specific outputs (phase, dates, dhaiya) and distinguishes from sibling tool get_transits by calling out that get_transits covers all grahas. Use examples like 'when does my sade sati start/end' clarify purpose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'Use this for ...' and 'This is Saturn-only; for where ALL nine grahas are transiting now... call get_transits', giving clear when-to-use and when-not-to-use with an alternative tool name.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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TDQS

A4.7/5.0
Disambiguation5/5

Each tool targets a distinct astrological calculation or domain: dosha checks, birth charts, compatibility, muhurta, panchang, numerology, transits, and Jaimini layer. Even similar tools (e.g., get_panchang vs get_muhurta_timings) are explicitly differentiated in their descriptions, and cross-references tell the agent which to use for which question.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern: 'get_' for data retrieval and 'check_' for yes/no dosha assessments. No camelCase or mixed conventions. The naming is predictable and readable.

Tool Count4/5

At 17 tools, the set is slightly above the ideal 15-tool ceiling, but it is well-scoped for the breadth of Vedic astrology: each tool earns its place covering a distinct sub-domain. The count feels justified rather than bloated.

Completeness5/5

The surface covers the full lifecycle of a birth chart (details, full kundli, dasha), doshas (manglik, kaal sarp, sade sati), compatibility (kundli match), event planning (muhurta, panchang, year events, eclipses), numerology (personal, mobile, name), and advanced layers (upapada, transits). No obvious gaps or dead ends.