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Numerology MCP Server by RoxyAPI

Get compound number meaning - Chaldean compound numbers 10 to 52 API

get_numerology_compound_number
Read-only

Get the classical Chaldean meaning of a compound number, also called a fadic number, from 10 to 52 as Cheiro defines it. A compound number is the unreduced two-digit total behind a name or date, read beside its single-digit root. The response returns the root, the nature (fortunate, unfortunate or mixed), the full interpretation in the language set by lang, and the symbolic name where Cheiro gives one, such as The Wheel of Fortune for 10 or The Crown of the Magi for 21; a number from 33 up that repeats a lower one carries a sameAs pointer to it. Built for Chaldean numerology references, name analysis tools and AI agents.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
langNoResponse 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
numberYesCompound number from 10 to 52.
compactNoSet 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.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
rootYes
natureYes
numberYes
sameAsNo
meaningYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "meaning": {
      +      "type": "string"
      +    },
      +    "name": {
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "nature": {
      +      "enum": [
      +        "fortunate",
      +        "unfortunate",
      +        "mixed"
      +      ],
      +      "type": "string"
      +    },
      +    "number": {
      +      "type": "number"
      +    },
      +    "root": {
      +      "type": "number"
      +    },
      +    "sameAs": {
      +      "type": "number"
      +    }
      +  },
      +  "required": [
      +    "number",
      +    "name",
      +    "nature",
      +    "meaning",
      +    "root"
      +  ],
      +  "type": "object"
      +}
  2. Changed2 schema fields changed
    • changedInput schema / properties / lang / description
      Previous value: -"Response language (ISO 639-1). Supported: en, tr, de, es, hi, pt, fr, ru. Defaults to en. Languages without translations yet return English."New value: +"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."
    • changedInput schema / properties / lang / enum
      Previous value: -[
      -  "en",
      -  "tr",
      -  "de",
      -  "es",
      -  "hi",
      -  "pt",
      -  "fr",
      -  "ru"
      -]New value: +[
      +  "en",
      +  "tr",
      +  "de",
      +  "es",
      +  "hi",
      +  "pt",
      +  "fr",
      +  "ru",
      +  "zh-Hans",
      +  "zh-Hant"
      +]
  3. Changed2 schema fields changed
    • addedInput schema / examples
      Added value: +[
      +  {
      +    "number": "23"
      +  }
      +]
    • changedInput schema / properties / compact / description
      Previous value: -"Set true to receive the exact same data in a token-optimized shape that is cheaper for you to read: whitespace is stripped and every array of same-shaped objects is encoded columnar as {\"__cols\":[field names],\"__rows\":[[values]]}, so each field name is sent once instead of once per row. Fully lossless (no field or value is dropped or changed) and typically 40 to 52 percent fewer tokens on large results. Prefer true whenever token or inference cost matters. Default false returns standard indented JSON."New value: +"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."
  4. Changed1 schema field changed
    • changedInput schema / properties / compact / description
      Previous value: -"Return the same data in a token-optimized compact shape (minified, with same-shaped arrays encoded columnar) to reduce LLM token cost. Lossless: no fields are dropped. Default false."New value: +"Set true to receive the exact same data in a token-optimized shape that is cheaper for you to read: whitespace is stripped and every array of same-shaped objects is encoded columnar as {\"__cols\":[field names],\"__rows\":[[values]]}, so each field name is sent once instead of once per row. Fully lossless (no field or value is dropped or changed) and typically 40 to 52 percent fewer tokens on large results. Prefer true whenever token or inference cost matters. Default false returns standard indented JSON."
  5. Changed1 schema field changed
    • addedInput schema / properties / compact
      Added value: +{
      +  "default": false,
      +  "description": "Return the same data in a token-optimized compact shape (minified, with same-shaped arrays encoded columnar) to reduce LLM token cost. Lossless: no fields are dropped. Default false.",
      +  "type": "boolean"
      +}
  6. Added

TDQS

A3.7/5.0
Behavior4/5

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

Annotations cover the safety profile (readOnlyHint true, destructiveHint false), so the bar is lower. The description still adds real behavioral context: the nature classification (fortunate/unfortunate/mixed), language-driven interpretation, the symbolic-name field, and the non-obvious sameAs pointer for repeating numbers 33+.

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?

Front-loaded with the core action and range, then response detail. Dense but mostly earning its place; the trailing 'Built for Chaldean numerology references, name analysis tools and AI agents' is mild audience filler rather than actionable content.

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?

Output schema and annotations already carry return shape and safety, and the description still supplies the domain concept (fadic number vs root) and edge-case behavior (sameAs). Nothing essential is missing for a correct call, though explicit sibling routing would round it out.

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 description coverage is 100%, so the schema already documents number, lang and compact fully. The description reinforces the numeric range and the role of lang, but adds essentially nothing about parameter syntax or interaction beyond the schema. Baseline 3 applies.

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

Purpose4/5

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

Names a specific verb+resource (get Chaldean meaning of a compound number) and pins the scope precisely to the 10–52 fadic range, explaining what a compound number is versus its single-digit root. It does not explicitly name the sibling get_numerology_meanings_number, so an agent must infer the split between the two, but the resource itself is unambiguous.

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?

Usage is only implied: 'read beside its single-digit root' hints that this complements a single-digit lookup, and the closing sentence names audiences (references, name analysis tools, agents) rather than conditions. There is no explicit when-to-use-this-instead-of-X guidance against the many sibling numerology tools.

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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