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Chart Element Interpretation

astroway_ai_interpret_element
Read-only

AI interpretation of a single chart element (planet/house/aspect) in context. Useful for chart-detail pages.

[Group: AI Interpretations] [Endpoint: POST /v1/interpret/element] [Cost: 100 credits (Tier 4)]

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "body": "<body>"
    },
    "name": "astroway_ai_interpret_element"
  }
}

Input Schema

NameRequiredDescriptionDefault
bodyYesBirth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single house-system letter, P by default; a name such as "Placidus" is refused, and the case matters because I and i are two different Sunshine systems.
fieldsNoCompact mode: comma-separated dotted paths to keep, relative to `data`, e.g. "planets.name,planets.longitude,houses.cusp". Omit for the whole response.
precisionNoCompact mode: round fractional numbers to this many decimals. Longitudes carry 14 by default; 2 is finer than any chart is drawn.

Output Schema

NameRequiredDescriptionDefault
modelNo
languageNo
disclaimerNo
interpretationNo
element_balanceNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed10 schema fields changed
    • changedInput schema / properties / body / allOf
      Previous value: -[
      -  {
      -    "additionalProperties": {
      -      "anyOf": [
      -        {},
      -        {
      -          "type": "null"
      -        }
      -      ]
      -    },
      -    "description": "Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single house-system letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems.",
      -    "properties": {
      -      "ayanamsa": {
      -        "description": "Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either.",
      -        "enum": [
      -          "fagan-bradley",
      -          "lahiri",
      -          "de-luce",
      -          "raman",
      -          "krishnamurti",
      -          "kp",
      -          "yukteshwar",
      -          "jn-bhasin",
      -          "true-citra",
      -          "djwhal-khul"
      -        ],
      -        "type": "string"
      -      },
      -      "ayanamsaId": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "city": {
      -        "default": "",
      -        "type": "string"
      -      },
      -      "cosmogram": {
      -        "type": "boolean"
      -      },
      -      "date": {
      -        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      -        "type": "string"
      -      },
      -      "houseSystem": {
      -        "default": "P",
      -        "enum": [
      -          "P",
      -          "K",
      -          "R",
      -          "C",
      -          "E",
      -          "W",
      -          "B",
      -          "M",
      -          "O",
      -          "A",
      -          "T",
      -          "V",
      -          "D",
      -          "F",
      -          "G",
      -          "H",
      -          "I",
      -          "i",
      -          "L",
      -          "N",
      -          "Q",
      -          "S",
      -          "U",
      -          "X",
      -          "Y"
      -        ],
      -        "type": "string"
      -      },
      -      "latitude": {
      -        "maximum": 90,
      -        "minimum": -90,
      -        "type": "number"
      -      },
      -      "longitude": {
      -        "maximum": 180,
      -        "minimum": -180,
      -        "type": "number"
      -      },
      -      "name": {
      -        "default": "",
      -        "type": "string"
      -      },
      -      "time": {
      -        "pattern": "^\\d{2}:\\d{2}(:\\d{2})?$",
      -        "type": "string"
      -      },
      -      "timezone": {
      -        "description": "IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known.",
      -        "type": "string"
      -      },
      -      "timezoneOffset": {
      -        "anyOf": [
      -          {
      -            "maximum": 14,
      -            "minimum": -14,
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ],
      -        "default": 0,
      -        "description": "Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent."
      -      },
      -      "zodiacType": {
      -        "enum": [
      -          "tropical",
      -          "sidereal"
      -        ],
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "date",
      -      "time",
      -      "latitude",
      -      "longitude"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": {
      -      "anyOf": [
      -        {},
      -        {
      -          "type": "null"
      -        }
      -      ]
      -    },
      -    "properties": {
      -      "disclaimer_inline": {
      -        "default": false,
      -        "type": "boolean"
      -      },
      -      "language": {
      -        "enum": [
      -          "uk",
      -          "en",
      -          "de",
      -          "pl",
      -          "es",
      -          "pt",
      -          "fr",
      -          "it",
      -          "nl",
      -          "cs",
      -          "ro",
      -          "hu",
      -          "el",
      -          "tr",
      -          "ar",
      -          "hi",
      -          "ja",
      -          "ko",
      -          "vi",
      -          "id",
      -          "ru"
      -        ],
      -        "type": "string"
      -      }
      -    },
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": {
      +      "anyOf": [
      +        {},
      +        {
      +          "type": "null"
      +        }
      +      ]
      +    },
      +    "description": "Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single house-system letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems.",
      +    "properties": {
      +      "ayanamsa": {
      +        "description": "Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either.",
      +        "enum": [
      +          "fagan-bradley",
      +          "lahiri",
      +          "de-luce",
      +          "raman",
      +          "krishnamurti",
      +          "kp",
      +          "yukteshwar",
      +          "jn-bhasin",
      +          "true-citra",
      +          "djwhal-khul"
      +        ],
      +        "type": "string"
      +      },
      +      "ayanamsaId": {
      +        "type": [
      +          "number",
      +          "null"
      +        ]
      +      },
      +      "city": {
      +        "default": "",
      +        "type": "string"
      +      },
      +      "cosmogram": {
      +        "type": "boolean"
      +      },
      +      "date": {
      +        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      +        "type": "string"
      +      },
      +      "houseSystem": {
      +        "default": "P",
      +        "enum": [
      +          "P",
      +          "K",
      +          "R",
      +          "C",
      +          "E",
      +          "W",
      +          "B",
      +          "M",
      +          "O",
      +          "A",
      +          "T",
      +          "V",
      +          "D",
      +          "F",
      +          "G",
      +          "H",
      +          "I",
      +          "i",
      +          "L",
      +          "N",
      +          "Q",
      +          "S",
      +          "U",
      +          "X",
      +          "Y"
      +        ],
      +        "type": "string"
      +      },
      +      "latitude": {
      +        "maximum": 90,
      +        "minimum": -90,
      +        "type": "number"
      +      },
      +      "longitude": {
      +        "maximum": 180,
      +        "minimum": -180,
      +        "type": "number"
      +      },
      +      "name": {
      +        "default": "",
      +        "type": "string"
      +      },
      +      "time": {
      +        "pattern": "^\\d{2}:\\d{2}(:\\d{2})?$",
      +        "type": "string"
      +      },
      +      "timezone": {
      +        "description": "IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known.",
      +        "type": "string"
      +      },
      +      "timezoneOffset": {
      +        "anyOf": [
      +          {
      +            "maximum": 14,
      +            "minimum": -14,
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": 0,
      +        "description": "Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent."
      +      },
      +      "zodiacType": {
      +        "enum": [
      +          "tropical",
      +          "sidereal"
      +        ],
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "date",
      +      "time",
      +      "latitude",
      +      "longitude"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": {
      +      "anyOf": [
      +        {},
      +        {
      +          "type": "null"
      +        }
      +      ]
      +    },
      +    "properties": {
      +      "disclaimer_inline": {
      +        "default": false,
      +        "type": "boolean"
      +      },
      +      "language": {
      +        "enum": [
      +          "uk",
      +          "en",
      +          "de",
      +          "pl",
      +          "es",
      +          "pt",
      +          "fr",
      +          "it",
      +          "nl",
      +          "cs",
      +          "ro",
      +          "hu",
      +          "el",
      +          "tr",
      +          "ar",
      +          "hi",
      +          "ja",
      +          "ko",
      +          "vi",
      +          "id",
      +          "ru"
      +        ],
      +        "type": "string"
      +      }
      +    },
      +    "type": "object"
      +  }
      +]
    • removedOutput schema / properties / disclaimer / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / disclaimer / type
      Added value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / element_balance / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": {},
      -    "properties": {
      -      "Air": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "Earth": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "Fire": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "Water": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      }
      -    },
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": {},
      +    "properties": {
      +      "Air": {
      +        "type": [
      +          "number",
      +          "null"
      +        ]
      +      },
      +      "Earth": {
      +        "type": [
      +          "number",
      +          "null"
      +        ]
      +      },
      +      "Fire": {
      +        "type": [
      +          "number",
      +          "null"
      +        ]
      +      },
      +      "Water": {
      +        "type": [
      +          "number",
      +          "null"
      +        ]
      +      }
      +    },
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • removedOutput schema / properties / interpretation / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / interpretation / type
      Added value: +[
      +  "string",
      +  "null"
      +]
    • removedOutput schema / properties / language / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / language / type
      Added value: +[
      +  "string",
      +  "null"
      +]
    • removedOutput schema / properties / model / anyOf
      Removed value: -[
      -  {
      -    "type": "string"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]
    • addedOutput schema / properties / model / type
      Added value: +[
      +  "string",
      +  "null"
      +]
  2. Changed2 schema fields changed
    • changedInput schema / properties / body / allOf
      Previous value: -[
      -  {
      -    "additionalProperties": {
      -      "anyOf": [
      -        {},
      -        {
      -          "type": "null"
      -        }
      -      ]
      -    },
      -    "description": "Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single Swiss Ephemeris letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems.",
      -    "properties": {
      -      "ayanamsa": {
      -        "description": "Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either.",
      -        "enum": [
      -          "fagan-bradley",
      -          "lahiri",
      -          "de-luce",
      -          "raman",
      -          "krishnamurti",
      -          "kp",
      -          "yukteshwar",
      -          "jn-bhasin",
      -          "true-citra",
      -          "djwhal-khul"
      -        ],
      -        "type": "string"
      -      },
      -      "ayanamsaId": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "city": {
      -        "default": "",
      -        "type": "string"
      -      },
      -      "cosmogram": {
      -        "type": "boolean"
      -      },
      -      "date": {
      -        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      -        "type": "string"
      -      },
      -      "houseSystem": {
      -        "default": "P",
      -        "enum": [
      -          "P",
      -          "K",
      -          "R",
      -          "C",
      -          "E",
      -          "W",
      -          "B",
      -          "M",
      -          "O",
      -          "A",
      -          "T",
      -          "V",
      -          "D",
      -          "F",
      -          "G",
      -          "H",
      -          "I",
      -          "i",
      -          "L",
      -          "N",
      -          "Q",
      -          "S",
      -          "U",
      -          "X",
      -          "Y"
      -        ],
      -        "type": "string"
      -      },
      -      "latitude": {
      -        "maximum": 90,
      -        "minimum": -90,
      -        "type": "number"
      -      },
      -      "longitude": {
      -        "maximum": 180,
      -        "minimum": -180,
      -        "type": "number"
      -      },
      -      "name": {
      -        "default": "",
      -        "type": "string"
      -      },
      -      "time": {
      -        "pattern": "^\\d{2}:\\d{2}(:\\d{2})?$",
      -        "type": "string"
      -      },
      -      "timezone": {
      -        "description": "IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known.",
      -        "type": "string"
      -      },
      -      "timezoneOffset": {
      -        "anyOf": [
      -          {
      -            "maximum": 14,
      -            "minimum": -14,
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ],
      -        "default": 0,
      -        "description": "Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent."
      -      },
      -      "zodiacType": {
      -        "enum": [
      -          "tropical",
      -          "sidereal"
      -        ],
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "date",
      -      "time",
      -      "latitude",
      -      "longitude"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": {
      -      "anyOf": [
      -        {},
      -        {
      -          "type": "null"
      -        }
      -      ]
      -    },
      -    "properties": {
      -      "disclaimer_inline": {
      -        "default": false,
      -        "type": "boolean"
      -      },
      -      "language": {
      -        "enum": [
      -          "uk",
      -          "en",
      -          "de",
      -          "pl",
      -          "es",
      -          "pt",
      -          "fr",
      -          "it",
      -          "nl",
      -          "cs",
      -          "ro",
      -          "hu",
      -          "el",
      -          "tr",
      -          "ar",
      -          "hi",
      -          "ja",
      -          "ko",
      -          "vi",
      -          "id",
      -          "ru"
      -        ],
      -        "type": "string"
      -      }
      -    },
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": {
      +      "anyOf": [
      +        {},
      +        {
      +          "type": "null"
      +        }
      +      ]
      +    },
      +    "description": "Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single house-system letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems.",
      +    "properties": {
      +      "ayanamsa": {
      +        "description": "Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either.",
      +        "enum": [
      +          "fagan-bradley",
      +          "lahiri",
      +          "de-luce",
      +          "raman",
      +          "krishnamurti",
      +          "kp",
      +          "yukteshwar",
      +          "jn-bhasin",
      +          "true-citra",
      +          "djwhal-khul"
      +        ],
      +        "type": "string"
      +      },
      +      "ayanamsaId": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "city": {
      +        "default": "",
      +        "type": "string"
      +      },
      +      "cosmogram": {
      +        "type": "boolean"
      +      },
      +      "date": {
      +        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      +        "type": "string"
      +      },
      +      "houseSystem": {
      +        "default": "P",
      +        "enum": [
      +          "P",
      +          "K",
      +          "R",
      +          "C",
      +          "E",
      +          "W",
      +          "B",
      +          "M",
      +          "O",
      +          "A",
      +          "T",
      +          "V",
      +          "D",
      +          "F",
      +          "G",
      +          "H",
      +          "I",
      +          "i",
      +          "L",
      +          "N",
      +          "Q",
      +          "S",
      +          "U",
      +          "X",
      +          "Y"
      +        ],
      +        "type": "string"
      +      },
      +      "latitude": {
      +        "maximum": 90,
      +        "minimum": -90,
      +        "type": "number"
      +      },
      +      "longitude": {
      +        "maximum": 180,
      +        "minimum": -180,
      +        "type": "number"
      +      },
      +      "name": {
      +        "default": "",
      +        "type": "string"
      +      },
      +      "time": {
      +        "pattern": "^\\d{2}:\\d{2}(:\\d{2})?$",
      +        "type": "string"
      +      },
      +      "timezone": {
      +        "description": "IANA zone name such as Europe/Kyiv, or auto to look the zone up from latitude and longitude. The server takes the offset that zone kept at this local date and time, summer time included, and uses it in place of timezoneOffset. A clock time that happened twice takes the first occurrence; one skipped when clocks went forward takes the offset from before the change. Abbreviations such as EST are refused. Before 1970 the tz database is not reliable for every place, so send timezoneOffset when the local clock is known.",
      +        "type": "string"
      +      },
      +      "timezoneOffset": {
      +        "anyOf": [
      +          {
      +            "maximum": 14,
      +            "minimum": -14,
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": 0,
      +        "description": "Hours from UTC at the given moment, not minutes. Fractional zones are hours too: 5.5 for India, 5.75 for Nepal, -3.5 for Newfoundland. Defaults to 0, meaning UTC. Ignored when timezone is sent."
      +      },
      +      "zodiacType": {
      +        "enum": [
      +          "tropical",
      +          "sidereal"
      +        ],
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "date",
      +      "time",
      +      "latitude",
      +      "longitude"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": {
      +      "anyOf": [
      +        {},
      +        {
      +          "type": "null"
      +        }
      +      ]
      +    },
      +    "properties": {
      +      "disclaimer_inline": {
      +        "default": false,
      +        "type": "boolean"
      +      },
      +      "language": {
      +        "enum": [
      +          "uk",
      +          "en",
      +          "de",
      +          "pl",
      +          "es",
      +          "pt",
      +          "fr",
      +          "it",
      +          "nl",
      +          "cs",
      +          "ro",
      +          "hu",
      +          "el",
      +          "tr",
      +          "ar",
      +          "hi",
      +          "ja",
      +          "ko",
      +          "vi",
      +          "id",
      +          "ru"
      +        ],
      +        "type": "string"
      +      }
      +    },
      +    "type": "object"
      +  }
      +]
    • changedInput schema / properties / body / description
      Previous value: -"Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single Swiss Ephemeris letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems."New value: +"Birth data for a single natal chart. Required: date (YYYY-MM-DD), time (HH:mm:ss), latitude and longitude in decimal degrees. The short forms lat, lon, lng and tz are rejected with 400 INVALID_FIELD; pass the full names. timezoneOffset is hours from UTC and defaults to 0, meaning UTC; send timezone instead (an IANA name such as Europe/Kyiv, or auto) and the offset for that date is worked out, summer time included. city is a display label only: nothing here geocodes it, so it never stands in for coordinates. houseSystem is a single house-system letter, P by default; a name such as \"Placidus\" is refused, and the case matters because I and i are two different Sunshine systems."
  3. First observed

TDQS

A3.6/5.0
Behavior4/5

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

Annotations already cover the safety profile (readOnly, non-destructive, open-world, non-idempotent), and the description adds genuinely non-structured facts: the POST endpoint and a 100-credit Tier 4 cost, which matters before invoking a paid AI call. It does not explain latency, caching, or why the call is non-idempotent, but the cost disclosure is the highest-value addition here.

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?

Two sentences of substance followed by compact metadata lines; purpose is front-loaded and nothing is padded. The bracketed Group/Endpoint/Cost block is terse and useful rather than filler.

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?

An output schema exists, so return values need no explanation, and the cost/endpoint metadata helps. However, the description claims to interpret 'a single chart element' while the input schema exposes only birth data, fields, and precision with no way to identify the planet, house, or aspect, so an agent cannot tell how to target the element it wants interpreted.

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 carries parameter meaning and the baseline applies. The description adds nothing about inputs and in fact implies an element selector ('planet/house/aspect') that does not appear anywhere in the schema, leaving a semantic gap the agent cannot resolve from either source.

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?

States a specific verb and resource: 'AI interpretation of a single chart element (planet/house/aspect) in context', which is clearly narrower than the whole-chart natal sibling. It stops short of naming which sibling handles the adjacent cases (placement, aspect explanation, transits), so differentiation is inferred rather than stated.

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?

'Useful for chart-detail pages' is a contextual hint about where this fits, but there is no explicit when-to-use/when-not guidance and no mention of the many overlapping AI siblings (interpret_placement, ai_explain_aspect, interpret_natal). An agent must infer the boundary from the tool name alone.

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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