Numerology MCP Server by RoxyAPI

Generate numerology chart - Complete numerology reading API

post_numerology_chart

Read-only

Generate a complete numerology chart from a full birth name and birth date in one call. It returns the six core numbers (Life Path, Expression, Soul Urge, Personality, Birth Day and Maturity) with their calculations and full interpretations, the four Pinnacles and four Challenges with their ages, Karmic Lessons, karmic debt in all five positions, Hidden Passion, Subconscious Self, Cornerstone, Capstone and First Vowel, the Birth Day profile for the exact day, lucky associations, the Maturity activation status, the Personal Year with the current Personal Month, and a written summary, in the language set by lang. The Personal Year uses currentYear or the current UTC year, while the Personal Month and the age behind the Maturity status read the current UTC date. Built for full numerology readings, PDF reports, onboarding profiles and AI agents.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`day`	Yes	Birth day (1-31)
`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`	Yes	Birth year between 100 and 2100. Supports historical figures like Einstein (1879) and Shakespeare (1564).
`month`	Yes	Birth month (1-12)
`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.
`fullName`	Yes	Full birth name as it appears on the birth certificate. Used for every letter-based number in the chart: Expression, Soul Urge, Personality, Karmic Lessons, Hidden Passion, Subconscious Self and the special letters. A name in any script is converted to Latin letters before it is counted, Cyrillic and Greek as the passport spelling and accents folded to the base letter, and the calculation lists the letters counted. For a script that does not write its vowels, send the Latin spelling the person uses.
`currentYear`	No	Calendar year for the Personal Year, defaults to the current UTC year. It moves the Personal Year only: the nested personalMonth and maturityStatus.currentAge always read the current UTC date.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`profile`	Yes
`summary`	Yes
`coreNumbers`	Yes
`maturityStatus`	Yes
`birthDayProfile`	No
`luckyAssociations`	No
`additionalInsights`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedOct 1, 2026

changedInput schema / properties / currentYear / description

Previous value: -"Year for Personal Year calculation (defaults to current year)"New value: +"Calendar year for the Personal Year, defaults to the current UTC year. It moves the Personal Year only: the nested personalMonth and maturityStatus.currentAge always read the current UTC date."

changedInput schema / properties / fullName / description

Previous value: -"Full birth name as it appears on the birth certificate. Used for all letter-based Pythagorean numerology calculations including Expression, Soul Urge, Personality, and Karmic Lessons."New value: +"Full birth name as it appears on the birth certificate. Used for every letter-based number in the chart: Expression, Soul Urge, Personality, Karmic Lessons, Hidden Passion, Subconscious Self and the special letters. A name in any script is converted to Latin letters before it is counted, Cyrillic and Greek as the passport spelling and accents folded to the base letter, and the calculation lists the letters counted. For a script that does not write its vowels, send the Latin spelling the person uses."

Changed1 schema field changedSep 30, 2026
- changedInput schema / properties / currentYear / minimum
```
Previous value: -2020New value: +100
```

Changed1 schema field changedSep 20, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "additionalInsights": {
+      "properties": {
+        "challenges": {
+          "items": {
+            "properties": {
+              "endAge": {
+                "type": [
+                  "number",
+                  "null"
+                ]
+              },
+              "meaning": {
+                "properties": {
+                  "description": {
+                    "type": "string"
+                  },
+                  "howToOvercome": {
+                    "type": "string"
+                  },
+                  "lesson": {
+                    "type": "string"
+                  },
+                  "title": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "title",
+                  "description",
+                  "lesson",
+                  "howToOvercome"
+                ],
+                "type": "object"
+              },
+              "number": {
+                "type": "number"
+              },
+              "position": {
+                "type": "number"
+              },
+              "startAge": {
+                "type": "number"
+              }
+            },
+            "required": [
+              "position",
+              "number",
+              "startAge",
+              "endAge",
+              "meaning"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "hiddenPassion": {
+          "properties": {
+            "allPassions": {
+              "items": {
+                "type": "number"
+              },
+              "type": "array"
+            },
+            "count": {
+              "type": "number"
+            },
+            "description": {
+              "type": "string"
+            },
+            "number": {
+              "type": "number"
+            },
+            "title": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "count",
+            "allPassions",
+            "title",
+            "description"
+          ],
+          "type": "object"
+        },
+        "karmicDebt": {
+          "properties": {
+            "debtNumbers": {
+              "items": {
+                "type": "number"
+              },
+              "type": "array"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "meanings": {
+              "items": {
+                "properties": {
+                  "challenge": {
+                    "type": "string"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "number": {
+                    "type": "number"
+                  },
+                  "resolution": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "number",
+                  "description",
+                  "challenge",
+                  "resolution"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            }
+          },
+          "required": [
+            "hasKarmicDebt",
+            "debtNumbers",
+            "meanings"
+          ],
+          "type": "object"
+        },
+        "karmicLessons": {
+          "properties": {
+            "lessons": {
+              "items": {
+                "properties": {
+                  "description": {
+                    "type": "string"
+                  },
+                  "howToOvercome": {
+                    "type": "string"
+                  },
+                  "lesson": {
+                    "type": "string"
+                  },
+                  "number": {
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "number",
+                  "lesson",
+                  "description",
+                  "howToOvercome"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            },
+            "missingNumbers": {
+              "items": {
+                "type": "number"
+              },
+              "type": "array"
+            },
+            "presentNumbers": {
+              "additionalProperties": {
+                "type": "number"
+              },
+              "type": "object"
+            }
+          },
+          "required": [
+            "missingNumbers",
+            "lessons",
+            "presentNumbers"
+          ],
+          "type": "object"
+        },
+        "nameLetters": {
+          "properties": {
+            "capstone": {
+              "properties": {
+                "letter": {
+                  "type": "string"
+                },
+                "meaning": {
+                  "type": "string"
+                },
+                "number": {
+                  "type": "number"
+                }
+              },
+              "required": [
+                "letter",
+                "number",
+                "meaning"
+              ],
+              "type": "object"
+            },
+            "cornerstone": {
+              "properties": {
+                "letter": {
+                  "type": "string"
+                },
+                "meaning": {
+                  "type": "string"
+                },
+                "number": {
+                  "type": "number"
+                }
+              },
+              "required": [
+                "letter",
+                "number",
+                "meaning"
+              ],
+              "type": "object"
+            },
+            "firstVowel": {
+              "properties": {
+                "letter": {
+                  "type": "string"
+                },
+                "meaning": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "letter",
+                "meaning"
+              ],
+              "type": "object"
+            }
+          },
+          "required": [
+            "cornerstone",
+            "capstone",
+            "firstVowel"
+          ],
+          "type": "object"
+        },
+        "personalYear": {
+          "properties": {
+            "advice": {
+              "type": "string"
+            },
+            "challenges": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "cycle": {
+              "type": "string"
+            },
+            "forecast": {
+              "type": "string"
+            },
+            "opportunities": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "personalMonth": {
+              "properties": {
+                "focus": {
+                  "type": "string"
+                },
+                "personalMonth": {
+                  "type": "number"
+                },
+                "theme": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "personalMonth",
+                "theme",
+                "focus"
+              ],
+              "type": "object"
+            },
+            "personalYear": {
+              "type": "number"
+            },
+            "theme": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "personalYear",
+            "cycle",
+            "theme",
+            "forecast",
+            "opportunities",
+            "challenges",
+            "advice",
+            "personalMonth"
+          ],
+          "type": "object"
+        },
+        "pinnacles": {
+          "items": {
+            "properties": {
+              "endAge": {
+                "type": [
+                  "number",
+                  "null"
+                ]
+              },
+              "meaning": {
+                "properties": {
+                  "challenges": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "opportunities": {
+                    "items": {
+                      "type": "string"
+                    },
+                    "type": "array"
+                  },
+                  "title": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "title",
+                  "description",
+                  "opportunities",
+                  "challenges"
+                ],
+                "type": "object"
+              },
+              "number": {
+                "type": "number"
+              },
+              "position": {
+                "type": "number"
+              },
+              "startAge": {
+                "type": "number"
+              }
+            },
+            "required": [
+              "position",
+              "number",
+              "startAge",
+              "endAge",
+              "meaning"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "subconsciousSelf": {
+          "properties": {
+            "description": {
+              "type": "string"
+            },
+            "number": {
+              "type": "number"
+            },
+            "title": {
+              "type": "string"
+            },
+            "uniqueNumbers": {
+              "items": {
+                "type": "number"
+              },
+              "type": "array"
+            }
+          },
+          "required": [
+            "number",
+            "uniqueNumbers",
+            "title",
+            "description"
+          ],
+          "type": "object"
+        }
+      },
+      "required": [
+        "karmicLessons",
+        "karmicDebt",
+        "personalYear",
+        "pinnacles",
+        "challenges",
+        "hiddenPassion",
+        "subconsciousSelf",
+        "nameLetters"
+      ],
+      "type": "object"
+    },
+    "birthDayProfile": {
+      "properties": {
+        "career": {
+          "type": "string"
+        },
+        "challenges": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "day": {
+          "type": "number"
+        },
+        "description": {
+          "type": "string"
+        },
+        "keywords": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "reducesTo": {
+          "type": "number"
+        },
+        "relationships": {
+          "type": "string"
+        },
+        "strengths": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "title": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "day",
+        "reducesTo",
+        "title",
+        "keywords",
+        "description",
+        "strengths",
+        "challenges",
+        "career",
+        "relationships"
+      ],
+      "type": "object"
+    },
+    "coreNumbers": {
+      "properties": {
+        "birthDay": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        },
+        "expression": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        },
+        "lifePath": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        },
+        "maturity": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        },
+        "personality": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        },
+        "soulUrge": {
+          "properties": {
+            "calculation": {
+              "type": "string"
+            },
+            "hasKarmicDebt": {
+              "type": "boolean"
+            },
+            "karmicDebtNumber": {
+              "type": "number"
+            },
+            "meaning": {
+              "properties": {
+                "career": {
+                  "type": "string"
+                },
+                "challenges": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "description": {
+                  "type": "string"
+                },
+                "keywords": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "relationships": {
+                  "type": "string"
+                },
+                "spirituality": {
+                  "type": "string"
+                },
+                "strengths": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "type": "array"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "keywords",
+                "description",
+                "strengths",
+                "challenges",
+                "career",
+                "relationships",
+                "spirituality"
+              ],
+              "type": "object"
+            },
+            "number": {
+              "type": "number"
+            },
+            "type": {
+              "enum": [
+                "single",
+                "master"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "number",
+            "calculation",
+            "type",
+            "hasKarmicDebt",
+            "meaning"
+          ],
+          "type": "object"
+        }
+      },
+      "required": [
+        "lifePath",
+        "expression",
+        "soulUrge",
+        "personality",
+        "birthDay",
+        "maturity"
+      ],
+      "type": "object"
+    },
+    "luckyAssociations": {
+      "properties": {
+        "colors": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "compatibleNumbers": {
+          "items": {
+            "type": "number"
+          },
+          "type": "array"
+        },
+        "day": {
+          "type": "string"
+        },
+        "element": {
+          "type": "string"
+        },
+        "gemstones": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "incompatibleNumbers": {
+          "items": {
+            "type": "number"
+          },
+          "type": "array"
+        },
+        "rulingPlanet": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "colors",
+        "gemstones",
+        "day",
+        "element",
+        "rulingPlanet",
+        "compatibleNumbers",
+        "incompatibleNumbers"
+      ],
+      "type": "object"
+    },
+    "maturityStatus": {
+      "properties": {
+        "activationRange": {
+          "type": "string"
+        },
+        "currentAge": {
+          "type": "number"
+        },
+        "isActive": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "isActive",
+        "currentAge",
+        "activationRange"
+      ],
+      "type": "object"
+    },
+    "profile": {
+      "properties": {
+        "birthdate": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "birthdate"
+      ],
+      "type": "object"
+    },
+    "summary": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "profile",
+    "coreNumbers",
+    "additionalInsights",
+    "maturityStatus",
+    "summary"
+  ],
+  "type": "object"
+}

Changed2 schema fields changedAug 25, 2026

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"
+]

Changed2 schema fields changedAug 17, 2026

addedInput schema / examples

Added value: +[
+  {
+    "day": 15,
+    "fullName": "John William Smith",
+    "month": 7,
+    "year": 1990
+  }
+]

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."

Changed1 schema field changedJul 22, 2026

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."

Changed1 schema field changedJul 22, 2026

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"
+}

First observedJul 8, 2026

TDQS

A4.1/5.0

Behavior4/5

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

Annotations only declare readOnlyHint/destructiveHint, so the description must carry the rest, and it does add real behavioral facts: date-dependency (Personal Year from currentYear or UTC year; Personal Month and Maturity age from the current UTC date) and language fallback to English when a translation is missing. It does not cover response size, latency, or error behavior, so it falls short of the top mark.

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

Conciseness3/5

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

The core purpose is front-loaded, but the middle sentence is a very long enumeration of every returned field (six core numbers, Pinnacles, Challenges, Karmic Lessons, Hidden Passion, etc.), which an output schema already covers. That bulk is redundant for tool selection and dilutes the actionable content.

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?

For an aggregate chart-generation tool with a full output schema, the description covers inputs, scope, date handling, and language behavior well enough that an agent could invoke it correctly without opening the schema. Nothing essential for calling it is missing.

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 every parameter, including lang fallback, currentYear semantics, and fullName script handling. The description largely restates these ('in the language set by lang', the currentYear/UTC behavior), adding marginal meaning beyond the schema, so the baseline 3 applies.

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?

States a specific verb and resource ('Generate a complete numerology chart from a full birth name and birth date in one call') and the word 'complete' implicitly separates it from the single-number siblings like post_numerology_life_path or post_numerology_expression. An agent can tell this is the aggregate 'everything at once' tool.

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

Usage Guidelines4/5

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

Names intended scenarios ('full numerology readings, PDF reports, onboarding profiles and AI agents') and 'in one call' hints at the tradeoff versus the many single-number siblings. However, it never explicitly says to prefer this over the individual number tools when the whole chart is needed, so the routing decision is left partly to inference.

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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