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astroway-mcp

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KP — Sub-lords (cusps + planets)

vedic_kp_sub_lords
Read-onlyIdempotent

Calculate KP sub-lord chain for each cusp and planet in a Vedic horoscope. Input birth date, time, and location to generate the table.

Instructions

Full KP "horoscope at a glance" table: sub-lord chain for every cusp + every planet (lagna, 9 grahas including Ketu).

[Group: Vedic]

Example request body: {"date":"1990-05-15","time":"14:30:00","timezoneOffset":3,"latitude":50.45,"longitude":30.52}

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dateYes
timeYes
timezoneOffsetNo
latitudeNo
longitudeNo
houseSystemNoP
nameNo
cityNo
zodiacTypeNo
ayanamsaIdNo
cosmogramNo
Behavior3/5

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

Annotations already indicate readOnlyHint=true and idempotentHint=true. The description adds that the tool returns a table of sub-lord chains, which is consistent with read-only behavior, but does not disclose additional behavioral traits such as performance impacts or limitations.

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 brief and includes an example request, making it easy to parse. However, it could be more structured by listing key parameters or output format, though the conciseness is not overly detrimental.

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

Completeness2/5

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

Given the complexity (11 parameters, no output schema), the description is insufficient. It omits output structure, parameter descriptions, and behavioral constraints, making it hard for an agent to use correctly without external knowledge.

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

Parameters1/5

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

With 0% schema description coverage, the description fails to explain any of the 11 parameters. It only provides an example request body, leaving agents to infer parameter meanings from context or trial-and-error.

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 clearly states it provides a full KP 'horoscope at a glance' table with sub-lord chain for every cusp and planet, distinguishing it from sibling tools like vedic_kp_cusps which may only cover cusps or specific details.

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

Usage Guidelines2/5

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

No explicit guidance on when to use this tool versus alternatives. The description does not mention prerequisites, when not to use, or differentiate from similar KP tools, leaving the agent to infer usage context.

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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