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astroway-mcp

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Dreamspell (Argüelles 1990)

mayan_dreamspell
Read-onlyIdempotent

Calculate the Dreamspell kin, tone, and seal for any date using José Argüelles' modern synchronometer.

Instructions

Modern synchronometer reinterpretation by José Argüelles. Returns kin (1-260) + tone + seal. Distinct from traditional Tzolkin.

[Group: Mayan Calendars]

Example request body: {"date":"1990-06-15"}

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dateYesDate YYYY-MM-DD
latitudeNoLatitude (some date-only endpoints accept location)
longitudeNoLongitude
timezoneOffsetNoUTC offset in hours
Behavior3/5

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

Annotations already provide readOnlyHint, destructiveHint, idempotentHint. Description adds return structure but no further behavioral traits. No contradiction.

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?

Very concise: 3 sentences plus group and example. Front-loaded with purpose. Every element serves a purpose.

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

Completeness3/5

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

Adequate for a simple tool with good annotations, but lacks guidance on selecting this among many Mayan siblings and does not explain return format details beyond listing components.

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

Parameters3/5

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

Schema coverage is 100%, so description need not add much. It provides an example with date but no additional meaning for latitude, longitude, or timezoneOffset.

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 the tool returns 'kin (1-260) + tone + seal' and distinguishes it as a reinterpretation by Argüelles, distinct from traditional Tzolkin.

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

Usage Guidelines3/5

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

The description notes it is distinct from traditional Tzolkin but does not explicitly guide when to use this tool over siblings like mayan_tzolkin or mayan_full. No alternatives are named.

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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