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Vedic Astrology and Kundli MCP Server by RoxyAPI

Generate complete KP birth chart

post_vedic_astrology_kp_chart
Read-only

Generate authentic Krishnamurti Paddhati birth charts with Placidus house cusps, star-lord and sub-lord calculations. Supports custom ayanamsa and dynamic KP-Newcomb ayanamsa calculation. Returns complete chart with all 9 planets (Sun through Ketu), Ascendant, 12 Placidus house cusps, nakshatra details, star-lords, sub-lords, and KP horary numbers (1-249). Perfect for KP astrology software, horary prediction apps, and event timing analysis. One call is a complete Krishnamurti Paddhati chart generator, returning the Placidus cusps and the planets with their sub lords together.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dateYesBirth date in YYYY-MM-DD format
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
timeYesBirth time in 24-hour HH:MM:SS format. CRITICAL for accurate Lagna and house calculations.
focusNoWhich signification vocabulary the houseThemes map returns. "general" gives the classical bhava significations (self, wealth, siblings, home, and so on). "finance" gives the money reading of the same twelve bhavas, so house 2 returns income and savings, 5 speculation and risk appetite, 8 sudden money and leverage, 11 gains and profits, and 12 expenses and capital outflow. Use "finance" for wealth, income, business and market timing questions in Krishnamurti Paddhati, where the significator house groups 2, 6, 10, 11 for earned income and 5, 8, 11 for speculation are read against a running dasha. Defaults to "general".general
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.
ayanamsaNoAyanamsa system for sidereal conversion. "kp-newcomb" uses the KP-Newcomb dynamic formula (most common for KP). "kp-old" uses the Krishnamurti original table. "lahiri" uses Lahiri/Chitrapaksha ayanamsa matching most traditional Vedic software. "raman" uses the B.V. Raman ayanamsa, about 1.45 degrees below Lahiri. "custom" allows providing your own value via ayanamsaValue. Defaults to "kp-newcomb".kp-newcomb
latitudeYesBirth location latitude in decimal degrees
nodeTypeNoLunar node convention. "mean" is the smoothed average node, which always moves retrograde; "true" is the osculating node, which tracks the real perturbed node, oscillates up to about 1.5 degrees either side of the mean on a 173-day cycle, and can briefly turn direct. Neither is more correct and they almost always fall in the same sign. Applies to the Rahu and Ketu positions. Mean is the traditional Vedic default and what printed panchangs use; the choice can move a KP sub-lord in narrow boundary cases, where a span can be as small as 0.5 degrees. Defaults to "mean".mean
timezoneNoTimezone: an IANA name (e.g. "America/New_York", "Europe/London", or `cities[0].timezone` from /location/search) or decimal hours from UTC (e.g. -5 for EST, 5.5 for IST). An IANA name is resolved to the offset in force at the given date and time. Defaults to 5.5 (IST) for Vedic astrology.
longitudeYesBirth location longitude in decimal degrees
ayanamsaValueNoCustom ayanamsa value in degrees. When provided, overrides the computed ayanamsa from the selected type. Use for testing with specific ayanamsa values or matching a particular reference source.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
metaYes
cuspsYes
focusYes
nodesYes
planetsYes
ascendantYes
houseThemesYes
significatorsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / timezone / description
      Previous value: -"Timezone offset from UTC in hours. Defaults to 5.5 (IST) for Vedic astrology."New value: +"Timezone: an IANA name (e.g. \"America/New_York\", \"Europe/London\", or `cities[0].timezone` from /location/search) or decimal hours from UTC (e.g. -5 for EST, 5.5 for IST). An IANA name is resolved to the offset in force at the given date and time. Defaults to 5.5 (IST) for Vedic astrology."
  2. Changed4 schema fields changed
    • addedOutput schema / properties / nodes / properties / ketu / properties / pada
      Added value: +{
      +  "type": "number"
      +}
    • changedOutput schema / properties / nodes / properties / ketu / required
      Previous value: -[
      -  "longitude",
      -  "sign",
      -  "signLord",
      -  "house",
      -  "nakshatra",
      -  "starLord",
      -  "subLord",
      -  "subSubLord",
      -  "kpNumber"
      -]New value: +[
      +  "longitude",
      +  "sign",
      +  "signLord",
      +  "house",
      +  "nakshatra",
      +  "pada",
      +  "starLord",
      +  "subLord",
      +  "subSubLord",
      +  "kpNumber"
      +]
    • addedOutput schema / properties / nodes / properties / rahu / properties / pada
      Added value: +{
      +  "type": "number"
      +}
    • changedOutput schema / properties / nodes / properties / rahu / required
      Previous value: -[
      -  "longitude",
      -  "sign",
      -  "signLord",
      -  "house",
      -  "nakshatra",
      -  "starLord",
      -  "subLord",
      -  "subSubLord",
      -  "kpNumber"
      -]New value: +[
      +  "longitude",
      +  "sign",
      +  "signLord",
      +  "house",
      +  "nakshatra",
      +  "pada",
      +  "starLord",
      +  "subLord",
      +  "subSubLord",
      +  "kpNumber"
      +]
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "ascendant": {
      +      "properties": {
      +        "kpNumber": {
      +          "type": "number"
      +        },
      +        "longitude": {
      +          "type": "number"
      +        },
      +        "nakshatra": {
      +          "type": "string"
      +        },
      +        "nakshatraLord": {
      +          "type": "string"
      +        },
      +        "pada": {
      +          "type": "number"
      +        },
      +        "sign": {
      +          "type": "string"
      +        },
      +        "signLord": {
      +          "type": "string"
      +        },
      +        "starLord": {
      +          "type": "string"
      +        },
      +        "subLord": {
      +          "type": "string"
      +        },
      +        "subSubLord": {
      +          "type": "string"
      +        }
      +      },
      +      "required": [
      +        "longitude",
      +        "sign",
      +        "signLord",
      +        "nakshatra",
      +        "nakshatraLord",
      +        "pada",
      +        "starLord",
      +        "subLord",
      +        "subSubLord",
      +        "kpNumber"
      +      ],
      +      "type": "object"
      +    },
      +    "cusps": {
      +      "items": {
      +        "properties": {
      +          "house": {
      +            "type": "number"
      +          },
      +          "kpNumber": {
      +            "type": "number"
      +          },
      +          "longitude": {
      +            "type": "number"
      +          },
      +          "nakshatra": {
      +            "type": "string"
      +          },
      +          "nakshatraLord": {
      +            "type": "string"
      +          },
      +          "pada": {
      +            "type": "number"
      +          },
      +          "sign": {
      +            "type": "string"
      +          },
      +          "signLord": {
      +            "type": "string"
      +          },
      +          "starLord": {
      +            "type": "string"
      +          },
      +          "subLord": {
      +            "type": "string"
      +          },
      +          "subSubLord": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "house",
      +          "longitude",
      +          "sign",
      +          "signLord",
      +          "nakshatra",
      +          "nakshatraLord",
      +          "pada",
      +          "starLord",
      +          "subLord",
      +          "subSubLord",
      +          "kpNumber"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "focus": {
      +      "enum": [
      +        "general",
      +        "finance"
      +      ],
      +      "type": "string"
      +    },
      +    "houseThemes": {
      +      "additionalProperties": {
      +        "items": {
      +          "type": "string"
      +        },
      +        "type": "array"
      +      },
      +      "type": "object"
      +    },
      +    "meta": {
      +      "properties": {
      +        "ayanamsa": {
      +          "type": "number"
      +        },
      +        "ayanamsaType": {
      +          "type": "string"
      +        },
      +        "date": {
      +          "type": "string"
      +        },
      +        "houseSystem": {
      +          "type": "string"
      +        },
      +        "latitude": {
      +          "type": "number"
      +        },
      +        "longitude": {
      +          "type": "number"
      +        },
      +        "time": {
      +          "type": "string"
      +        },
      +        "timezone": {
      +          "type": "number"
      +        }
      +      },
      +      "required": [
      +        "date",
      +        "time",
      +        "latitude",
      +        "longitude",
      +        "timezone",
      +        "ayanamsa",
      +        "ayanamsaType",
      +        "houseSystem"
      +      ],
      +      "type": "object"
      +    },
      +    "nodes": {
      +      "properties": {
      +        "ketu": {
      +          "properties": {
      +            "house": {
      +              "type": "number"
      +            },
      +            "kpNumber": {
      +              "type": "number"
      +            },
      +            "longitude": {
      +              "type": "number"
      +            },
      +            "nakshatra": {
      +              "type": "string"
      +            },
      +            "sign": {
      +              "type": "string"
      +            },
      +            "signLord": {
      +              "type": "string"
      +            },
      +            "starLord": {
      +              "type": "string"
      +            },
      +            "subLord": {
      +              "type": "string"
      +            },
      +            "subSubLord": {
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "longitude",
      +            "sign",
      +            "signLord",
      +            "house",
      +            "nakshatra",
      +            "starLord",
      +            "subLord",
      +            "subSubLord",
      +            "kpNumber"
      +          ],
      +          "type": "object"
      +        },
      +        "rahu": {
      +          "properties": {
      +            "house": {
      +              "type": "number"
      +            },
      +            "kpNumber": {
      +              "type": "number"
      +            },
      +            "longitude": {
      +              "type": "number"
      +            },
      +            "nakshatra": {
      +              "type": "string"
      +            },
      +            "sign": {
      +              "type": "string"
      +            },
      +            "signLord": {
      +              "type": "string"
      +            },
      +            "starLord": {
      +              "type": "string"
      +            },
      +            "subLord": {
      +              "type": "string"
      +            },
      +            "subSubLord": {
      +              "type": "string"
      +            }
      +          },
      +          "required": [
      +            "longitude",
      +            "sign",
      +            "signLord",
      +            "house",
      +            "nakshatra",
      +            "starLord",
      +            "subLord",
      +            "subSubLord",
      +            "kpNumber"
      +          ],
      +          "type": "object"
      +        }
      +      },
      +      "required": [
      +        "rahu",
      +        "ketu"
      +      ],
      +      "type": "object"
      +    },
      +    "planets": {
      +      "items": {
      +        "properties": {
      +          "house": {
      +            "type": "number"
      +          },
      +          "kpNumber": {
      +            "type": "number"
      +          },
      +          "longitude": {
      +            "type": "number"
      +          },
      +          "nakshatra": {
      +            "type": "string"
      +          },
      +          "nakshatraLord": {
      +            "type": "string"
      +          },
      +          "pada": {
      +            "type": "number"
      +          },
      +          "planet": {
      +            "type": "string"
      +          },
      +          "retrograde": {
      +            "type": "boolean"
      +          },
      +          "sign": {
      +            "type": "string"
      +          },
      +          "signLord": {
      +            "type": "string"
      +          },
      +          "starLord": {
      +            "type": "string"
      +          },
      +          "subLord": {
      +            "type": "string"
      +          },
      +          "subSubLord": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "planet",
      +          "longitude",
      +          "sign",
      +          "signLord",
      +          "house",
      +          "nakshatra",
      +          "nakshatraLord",
      +          "pada",
      +          "starLord",
      +          "subLord",
      +          "subSubLord",
      +          "kpNumber",
      +          "retrograde"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "significators": {
      +      "properties": {
      +        "houseWise": {
      +          "items": {
      +            "properties": {
      +              "all": {
      +                "items": {
      +                  "type": "string"
      +                },
      +                "type": "array"
      +              },
      +              "house": {
      +                "type": "number"
      +              },
      +              "significators": {
      +                "items": {
      +                  "properties": {
      +                    "description": {
      +                      "type": "string"
      +                    },
      +                    "level": {
      +                      "type": "number"
      +                    },
      +                    "planets": {
      +                      "items": {
      +                        "type": "string"
      +                      },
      +                      "type": "array"
      +                    }
      +                  },
      +                  "required": [
      +                    "level",
      +                    "description",
      +                    "planets"
      +                  ],
      +                  "type": "object"
      +                },
      +                "type": "array"
      +              }
      +            },
      +            "required": [
      +              "house",
      +              "significators",
      +              "all"
      +            ],
      +            "type": "object"
      +          },
      +          "type": "array"
      +        },
      +        "planetWise": {
      +          "items": {
      +            "properties": {
      +              "allHouses": {
      +                "items": {
      +                  "type": "number"
      +                },
      +                "type": "array"
      +              },
      +              "planet": {
      +                "type": "string"
      +              },
      +              "signifies": {
      +                "items": {
      +                  "properties": {
      +                    "houses": {
      +                      "items": {
      +                        "type": "number"
      +                      },
      +                      "type": "array"
      +                    },
      +                    "level": {
      +                      "type": "number"
      +                    }
      +                  },
      +                  "required": [
      +                    "level",
      +                    "houses"
      +                  ],
      +                  "type": "object"
      +                },
      +                "type": "array"
      +              }
      +            },
      +            "required": [
      +              "planet",
      +              "signifies",
      +              "allHouses"
      +            ],
      +            "type": "object"
      +          },
      +          "type": "array"
      +        }
      +      },
      +      "required": [
      +        "houseWise",
      +        "planetWise"
      +      ],
      +      "type": "object"
      +    }
      +  },
      +  "required": [
      +    "meta",
      +    "ascendant",
      +    "cusps",
      +    "planets",
      +    "nodes",
      +    "significators",
      +    "houseThemes",
      +    "focus"
      +  ],
      +  "type": "object"
      +}
  4. 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"
      +]
  5. Changed2 schema fields changed
    • addedInput schema / examples
      Added value: +[
      +  {
      +    "date": "1990-07-04",
      +    "latitude": 28.6139,
      +    "longitude": 77.209,
      +    "time": "10:12:00"
      +  }
      +]
    • 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."
  6. Changed1 schema field changed
    • changedInput schema / properties / nodeType / description
      Previous value: -"Lunar node type for Rahu and Ketu positions. \"mean\" uses the smooth mean node (traditional Vedic astrology default). \"true\" uses the osculating node with perturbation corrections, oscillating up to 1.5 degrees from mean with a 173-day period. Impacts KP sub-lord assignments in narrow boundary cases. Defaults to \"mean\"."New value: +"Lunar node convention. \"mean\" is the smoothed average node, which always moves retrograde; \"true\" is the osculating node, which tracks the real perturbed node, oscillates up to about 1.5 degrees either side of the mean on a 173-day cycle, and can briefly turn direct. Neither is more correct and they almost always fall in the same sign. Applies to the Rahu and Ketu positions. Mean is the traditional Vedic default and what printed panchangs use; the choice can move a KP sub-lord in narrow boundary cases, where a span can be as small as 0.5 degrees. Defaults to \"mean\"."
  7. Changed2 schema fields changed
    • changedInput schema / properties / ayanamsa / description
      Previous value: -"Ayanamsa system for sidereal conversion. \"kp-newcomb\" uses the KP-Newcomb dynamic formula (most common for KP). \"kp-old\" uses the Krishnamurti original table. \"lahiri\" uses Lahiri/Chitrapaksha ayanamsa matching most traditional Vedic software. \"custom\" allows providing your own value via ayanamsaValue. Defaults to \"kp-newcomb\"."New value: +"Ayanamsa system for sidereal conversion. \"kp-newcomb\" uses the KP-Newcomb dynamic formula (most common for KP). \"kp-old\" uses the Krishnamurti original table. \"lahiri\" uses Lahiri/Chitrapaksha ayanamsa matching most traditional Vedic software. \"raman\" uses the B.V. Raman ayanamsa, about 1.45 degrees below Lahiri. \"custom\" allows providing your own value via ayanamsaValue. Defaults to \"kp-newcomb\"."
    • changedInput schema / properties / ayanamsa / enum
      Previous value: -[
      -  "kp-newcomb",
      -  "kp-old",
      -  "lahiri",
      -  "custom"
      -]New value: +[
      +  "kp-newcomb",
      +  "kp-old",
      +  "lahiri",
      +  "raman",
      +  "custom"
      +]
  8. Changed1 schema field changed
    • addedInput schema / properties / focus
      Added value: +{
      +  "default": "general",
      +  "description": "Which signification vocabulary the houseThemes map returns. \"general\" gives the classical bhava significations (self, wealth, siblings, home, and so on). \"finance\" gives the money reading of the same twelve bhavas, so house 2 returns income and savings, 5 speculation and risk appetite, 8 sudden money and leverage, 11 gains and profits, and 12 expenses and capital outflow. Use \"finance\" for wealth, income, business and market timing questions in Krishnamurti Paddhati, where the significator house groups 2, 6, 10, 11 for earned income and 5, 8, 11 for speculation are read against a running dasha. Defaults to \"general\".",
      +  "enum": [
      +    "general",
      +    "finance"
      +  ],
      +  "example": "general",
      +  "type": "string"
      +}
  9. 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."
  10. 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"
      +}
  11. Changed1 schema field changed
    • changedInput schema / properties / timezone / anyOf
      Previous value: -[
      -  {
      -    "maximum": 14,
      -    "minimum": -14,
      -    "type": "number"
      -  },
      -  {
      -    "pattern": "^[A-Za-z_]+(?:\\/[A-Za-z0-9_+-]+){0,2}$",
      -    "type": "string"
      -  }
      -]New value: +[
      +  {
      +    "maximum": 14,
      +    "minimum": -14,
      +    "type": "number"
      +  },
      +  {
      +    "type": "string"
      +  }
      +]
  12. First observed

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is covered by structured data. The description adds meaningful behavioral context: it supports custom and dynamic ayanamsa calculation, specifies that nodeType choice can move a KP sub-lord in narrow boundary cases (via the schema description, though the tool description itself mentions the ayanamsa support), and explains that fields without translation return English in the lang parameter. The main description text advertises the ayanamsa flexibility and the complete-chart behavior. It does not describe pagination or size of the response, but the output schema exists and the read-only behavior is already annotated, so this is adequate.

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 three sentences and front-loads the core deliverable in the first sentence, with use cases following. There is some redundancy at the end ('One call is a complete... returning the Placidus cusps and the planets with their sub lords together') that partially repeats the first sentence, which is why it loses one point. Overall it is compact and readable for an 11-parameter tool.

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?

For a complex 11-parameter tool with a rich output schema and full schema coverage, the description covers the main deliverable, ayanamsa flexibility, and use cases. It could explicitly mention the output schema or the key parameters (date/time/location) but those are fully documented in the schema and an output schema exists, so the definition is complete enough for an agent to select and invoke the tool correctly. Minor gap: no explicit statement about what the response contains structurally (e.g., houses, planets, cusps objects), but the output schema covers that.

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 input schema fully documents all 11 parameters with detailed descriptions, enums, defaults, and examples. The description text adds high-level context for ayanamsa and focus ('dynamic KP-Newcomb ayanamsa calculation', 'KP horary numbers') but does not add per-parameter meaning beyond what the schema already provides. Per calibration, baseline 3 is appropriate when the schema does the heavy lifting.

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 opens with a specific verb and resource ('Generate authentic Krishnamurti Paddhati birth charts') and enumerates the outputs: Placidus house cusps, star-lord/sub-lord calculations, all 9 planets, Ascendant, 12 cusps, nakshatra details, and KP horary numbers. It also distinguishes itself from siblings by stating it is 'a complete KP chart generator' returning 'the Placidus cusps and the planets with their sub lords together,' which separates it from the narrower post_vedic_astrology_kp_cusps and post_vedic_astrology_kp_planets tools. The closing sentence repeats the integration point, reinforcing differentiation.

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?

The description names target use cases ('KP astrology software, horary prediction apps, and event timing analysis') and implicitly distinguishes from the more granular KP siblings (kp_cusps, kp_planets) by emphasizing that one call returns everything together. However, it does not explicitly say when to choose this tool over a sibling like post_vedic_astrology_kp_cusps or post_vedic_astrology_kp_planets, nor does it state exclusions/prerequisites. The guidance is clear enough contextually but lacks explicit when-not-to-use instructions.

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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