Vedic Astrology and Kundli MCP Server by RoxyAPI

Monthly Planetary Aspects - Major and minor aspect events for a month

post_vedic_astrology_aspects_monthly

Read-only

Calculate all planetary aspect events (excluding Moon) for a given month. Detects 22 aspect types. 5 major (conjunction, opposition, trine, square, sextile) and 17 minor (vigintile, semi-sextile, undecile, semi-quintile, novile, semi-square, septile, quintile, binovile, centile, biseptile, tredecile, sesqui-square, bi-quintile, quincunx, triseptile, quadranovile). Returns exact date and time of closest approach using ternary search refinement. Uses degree-based aspect methodology on sidereal positions (Lahiri ayanamsa). Omit year and month to get the month in progress, so a published aspect calendar stays current without a redeploy. For Moon-specific aspects, use the /aspects/lunar endpoint. Essential for transit timing, muhurta selection, and monthly astrological forecasting. Monthly planetary aspects API, graha drishti calendar, mutual aspect ephemeris, minor aspects.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`lang`	No	Response language (BCP 47). Supported: en, tr, de, es, hi, pt, fr, ru, zh-Hans, zh-Hant. Defaults to en. Coverage varies by domain, and a field with no translation in the requested language returns English.	en
`year`	No	Year for monthly analysis (1900-2100). Defaults to the current year (UTC).
`month`	No	Month number (1-12). Defaults to the current month (UTC).
`compact`	No	Set true for the same data in a compact shape: arrays of same-shaped objects arrive columnar as {"__cols":[names],"__rows":[[values]]}. Lossless, typically 40 to 52 percent fewer tokens.
`timezone`	No	Timezone offset from UTC in hours. Output times are converted to this timezone. Defaults to 0 (UTC).
`coordinateSystem`	No	Coordinate system for longitude output. "sidereal" (Nirayana) uses Lahiri ayanamsa - standard for Vedic astrology. "tropical" (Sayana) uses raw ecliptic longitude matching Western astrology. Defaults to "sidereal".	sidereal

TDQS

A4.7/5.0

Behavior5/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is covered. The description adds meaningful behavioral detail beyond the schema: exclusions, 22 aspect types, the exact date/time refinement method, Lahiri ayanamsa sidereal methodology, and the rolling current-month behavior.

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

Conciseness4/5

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

The description is front-loaded with the core behavior and then gives technical and usage details. One minor negative is the final keyword-style string, 'Monthly planetary aspects API, graha drishti calendar, mutual aspect ephemeris, minor aspects'—redundant filler that does not add agent usefulness.

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

Completeness4/5

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

For a read-only, zero-required-parameter monthly computation tool, the description covers scope, defaults, coordinate system, lunar exclusion, methodology, and the core return concept. It does not describe the full response shape, but with no output schema present it still leaves the agent enough behavioral expectations to likely use the tool correctly.

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

Parameters4/5

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

Schema coverage is 100%, so the parameter descriptions already handle each field. The tool description adds useful meaning on top of that by explaining the year/month omission behavior, the implied UTC/current-month default, and the sidereal (Lahiri ayanamsa) context for coordinateSystem.

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?

The description opens with a precise action and resource: 'Calculate all planetary aspect events (excluding Moon) for a given month.' It distinguishes itself from lunar aspect work by naming the lunar endpoint, and it clarifies its monthly scope against the broader sibling tool set.

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?

It explicitly tells the agent when to avoid this tool ('For Moon-specific aspects, use the /aspects/lunar endpoint'), and it gives a practical usage default: 'Omit year and month to get the month in progress.' This is strong when-to-use vs. when-not-to-use guidance relative to its closest sibling.

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

A3.6/5.0

Disambiguation3/5

Many tools have overlapping concepts (multiple dasha levels, monthly variants, aspects, transit), but detailed descriptions clarify each one's distinct purpose. Still, a few pairs like planetary_positions vs birth_chart or aspects_monthly vs aspects_lunar could confuse an agent initially.

Naming Consistency5/5

All tools follow a strict get_vedic_astrology_* or post_vedic_astrology_* prefix with snake_case resource names. The pattern is predictable and uniformly applied, including the hierarchical dasha drill-downs, making it easy to infer tool families.

Tool Count1/5

With 50 tools, the server is extremely heavy. Many are monthly, interval, or sub-level variants that could be parameterized or consolidated, making the set feel bloated and difficult to navigate for an agent.

Completeness5/5

The tool set covers nearly the entire Vedic astrology domain: reference data (nakshatras, rashis, yoga glossary), core charts (birth, navamsa, divisional), dasha hierarchy, transits, compatibility, doshas, panchang, KP system, and advanced calculations like Shadbala and Ashtakavarga. No significant gaps are apparent.

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