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Human Design MCP Server by RoxyAPI

Generate full Human Design bodygraph - Type, authority, profile, centers, channels, gates

post_human_design_bodygraph
Read-only

Generate a complete Human Design bodygraph from a birth date, time, and timezone. Returns the energy type, strategy, inner authority, signature, not-self theme, profile, definition, incarnation cross, all nine centers with defined state and active gates, the defined channels, and all 26 planetary activations across the Personality and Design sides. The single endpoint for a full chart in one call, built for Human Design apps, readings, and coaching tools.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dateYesBirth date in YYYY-MM-DD format. The anchor for both the Personality activations at birth and the Design activations 88 degrees of solar arc earlier.
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. Precision matters: the profile lines and gate boundaries shift with the exact minute of birth.
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.
latitudeNoBirth latitude in decimal degrees. Optional and does not affect the bodygraph, which depends only on ecliptic longitudes. Defaults to 0.
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 North and South Node activations. True is what professional Human Design software uses (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against, so leave it unset for a standard chart. It matters only when a node sits on a gate boundary, where the choice moves a node gate. Because a gate can be half of a channel, that can change the completed channels and, with them, whether a center reads defined or open, plus the definition, authority, profile or type. A chart where only one center disagrees is the usual shape, since the type and profile often survive unchanged. If another calculator disagrees on any of those, it is almost certainly using the mean node: pass "mean" to match it. Defaults to "true".true
timezoneYesIANA name (e.g. "America/New_York", "Europe/London", "UTC"), decimal hours (e.g. -5 for EST, 1 for CET), or a fixed UTC offset (e.g. "-05:00", "+01:00"). Prefer the IANA name: it is resolved to the offset in force at the birth date and time, historical daylight-saving rules included, while a fixed offset or decimal is taken literally and will be wrong if it does not match the daylight-saving state at that moment. On a transition day a time in the repeated hour is read as its first occurrence and a time in the skipped hour is moved forward past the gap. Invalid timezones return 400 with a validation error.
longitudeNoBirth longitude in decimal degrees. Optional and does not affect the bodygraph. Defaults to 0.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
auraYes
typeYes
gatesYes
sidesYes
centersYes
notSelfYes
profileYes
channelsYes
strategyYes
authorityYes
signatureYes
definitionYes
typeLocalizedNo
profileKeynotesYes
typeDescriptionYes
designInstantUtcYes
incarnationCrossYes
notSelfLocalizedNo
strategyLocalizedNo
authorityLocalizedNo
profileDescriptionYes
signatureLocalizedNo
definitionLocalizedNo
strategyDescriptionYes
authorityDescriptionYes
definitionDescriptionYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "aura": {
      +      "type": "string"
      +    },
      +    "authority": {
      +      "type": "string"
      +    },
      +    "authorityDescription": {
      +      "type": "string"
      +    },
      +    "authorityLocalized": {
      +      "type": "string"
      +    },
      +    "centers": {
      +      "items": {
      +        "properties": {
      +          "awareness": {
      +            "type": "boolean"
      +          },
      +          "biology": {
      +            "type": "string"
      +          },
      +          "defined": {
      +            "type": "boolean"
      +          },
      +          "gates": {
      +            "items": {
      +              "type": "number"
      +            },
      +            "type": "array"
      +          },
      +          "id": {
      +            "type": "string"
      +          },
      +          "motor": {
      +            "type": "boolean"
      +          },
      +          "name": {
      +            "type": "string"
      +          },
      +          "nameLocalized": {
      +            "type": "string"
      +          },
      +          "notSelfQuestion": {
      +            "type": "string"
      +          },
      +          "theme": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "id",
      +          "name",
      +          "defined",
      +          "motor",
      +          "awareness",
      +          "theme",
      +          "notSelfQuestion",
      +          "biology",
      +          "gates"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "channels": {
      +      "items": {
      +        "properties": {
      +          "centers": {
      +            "items": {
      +              "type": "string"
      +            },
      +            "type": "array"
      +          },
      +          "circuit": {
      +            "type": "string"
      +          },
      +          "circuitDescription": {
      +            "type": "string"
      +          },
      +          "circuitLocalized": {
      +            "type": "string"
      +          },
      +          "description": {
      +            "type": "string"
      +          },
      +          "gateA": {
      +            "type": "number"
      +          },
      +          "gateB": {
      +            "type": "number"
      +          },
      +          "name": {
      +            "type": "string"
      +          },
      +          "nameLocalized": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "gateA",
      +          "gateB",
      +          "name",
      +          "circuit",
      +          "centers",
      +          "description",
      +          "circuitDescription"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "definition": {
      +      "type": "string"
      +    },
      +    "definitionDescription": {
      +      "type": "string"
      +    },
      +    "definitionLocalized": {
      +      "type": "string"
      +    },
      +    "designInstantUtc": {
      +      "type": "string"
      +    },
      +    "gates": {
      +      "items": {
      +        "properties": {
      +          "gate": {
      +            "type": "number"
      +          },
      +          "gateDescription": {
      +            "type": "string"
      +          },
      +          "gateName": {
      +            "type": "string"
      +          },
      +          "gateNameLocalized": {
      +            "type": "string"
      +          },
      +          "ichingHexagram": {
      +            "properties": {
      +              "english": {
      +                "type": "string"
      +              },
      +              "number": {
      +                "type": "number"
      +              }
      +            },
      +            "required": [
      +              "number",
      +              "english"
      +            ],
      +            "type": "object"
      +          },
      +          "line": {
      +            "type": "number"
      +          },
      +          "lineMeaning": {
      +            "type": "string"
      +          },
      +          "planet": {
      +            "type": "string"
      +          },
      +          "planetDescription": {
      +            "type": "string"
      +          },
      +          "planetLocalized": {
      +            "type": "string"
      +          },
      +          "side": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "planet",
      +          "side",
      +          "gate",
      +          "line",
      +          "gateName",
      +          "gateDescription",
      +          "lineMeaning",
      +          "planetDescription",
      +          "ichingHexagram"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "incarnationCross": {
      +      "properties": {
      +        "angle": {
      +          "type": "string"
      +        },
      +        "angleCode": {
      +          "type": "string"
      +        },
      +        "angleLocalized": {
      +          "type": "string"
      +        },
      +        "description": {
      +          "type": "string"
      +        },
      +        "gates": {
      +          "items": {
      +            "type": "number"
      +          },
      +          "type": "array"
      +        },
      +        "name": {
      +          "type": "string"
      +        }
      +      },
      +      "required": [
      +        "gates",
      +        "angle",
      +        "angleCode",
      +        "name"
      +      ],
      +      "type": "object"
      +    },
      +    "notSelf": {
      +      "type": "string"
      +    },
      +    "notSelfLocalized": {
      +      "type": "string"
      +    },
      +    "profile": {
      +      "type": "string"
      +    },
      +    "profileDescription": {
      +      "type": "string"
      +    },
      +    "profileKeynotes": {
      +      "properties": {
      +        "design": {
      +          "type": "string"
      +        },
      +        "designLine": {
      +          "type": "number"
      +        },
      +        "personality": {
      +          "type": "string"
      +        },
      +        "personalityLine": {
      +          "type": "number"
      +        }
      +      },
      +      "required": [
      +        "personalityLine",
      +        "designLine",
      +        "personality",
      +        "design"
      +      ],
      +      "type": "object"
      +    },
      +    "sides": {
      +      "additionalProperties": {
      +        "type": "string"
      +      },
      +      "type": "object"
      +    },
      +    "signature": {
      +      "type": "string"
      +    },
      +    "signatureLocalized": {
      +      "type": "string"
      +    },
      +    "strategy": {
      +      "type": "string"
      +    },
      +    "strategyDescription": {
      +      "type": "string"
      +    },
      +    "strategyLocalized": {
      +      "type": "string"
      +    },
      +    "type": {
      +      "type": "string"
      +    },
      +    "typeDescription": {
      +      "type": "string"
      +    },
      +    "typeLocalized": {
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "type",
      +    "typeDescription",
      +    "aura",
      +    "strategy",
      +    "strategyDescription",
      +    "authority",
      +    "authorityDescription",
      +    "signature",
      +    "notSelf",
      +    "profile",
      +    "profileKeynotes",
      +    "profileDescription",
      +    "definition",
      +    "definitionDescription",
      +    "sides",
      +    "designInstantUtc",
      +    "incarnationCross",
      +    "centers",
      +    "channels",
      +    "gates"
      +  ],
      +  "type": "object"
      +}
  2. Changed1 schema field changed
    • changedInput schema / properties / timezone / description
      Previous value: -"IANA name (e.g. \"America/New_York\", \"Europe/London\", \"UTC\"), decimal hours (e.g. -5 for EST, 1 for CET), or a fixed UTC offset (e.g. \"-05:00\", \"+01:00\"). Prefer the IANA name: it is resolved to the DST-correct offset for the birth date, while a fixed offset or decimal is taken literally and will be wrong if it does not match the daylight-saving state on that date. Invalid timezones return 400 with a validation error."New value: +"IANA name (e.g. \"America/New_York\", \"Europe/London\", \"UTC\"), decimal hours (e.g. -5 for EST, 1 for CET), or a fixed UTC offset (e.g. \"-05:00\", \"+01:00\"). Prefer the IANA name: it is resolved to the offset in force at the birth date and time, historical daylight-saving rules included, while a fixed offset or decimal is taken literally and will be wrong if it does not match the daylight-saving state at that moment. On a transition day a time in the repeated hour is read as its first occurrence and a time in the skipped hour is moved forward past the gap. Invalid timezones return 400 with a validation error."
  3. 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"
      +]
  4. Changed1 schema field changed
    • changedInput schema / properties / nodeType / description
      Previous 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 North and South Node activations. True is what professional Human Design software uses (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against, so leave it unset for a standard chart. It matters only when a node sits on a gate boundary, where the choice can move a node gate and, rarely, change the completed channels and therefore the type, authority or definition. If another calculator shows a different type, it is almost certainly using the mean node: pass \"mean\" to match it. Defaults to \"true\"."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 North and South Node activations. True is what professional Human Design software uses (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against, so leave it unset for a standard chart. It matters only when a node sits on a gate boundary, where the choice moves a node gate. Because a gate can be half of a channel, that can change the completed channels and, with them, whether a center reads defined or open, plus the definition, authority, profile or type. A chart where only one center disagrees is the usual shape, since the type and profile often survive unchanged. If another calculator disagrees on any of those, it is almost certainly using the mean node: pass \"mean\" to match it. Defaults to \"true\"."
  5. Changed2 schema fields changed
    • addedInput schema / examples
      Added value: +[
      +  {
      +    "date": "1990-07-15",
      +    "time": "13:00:00",
      +    "timezone": "America/New_York"
      +  }
      +]
    • 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 convention for the North and South Node activations. Leave unset (or \"true\") for the standard Human Design chart: \"true\" is the osculating node used by professional Human Design software (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against. Pass \"mean\" to match a calculator that uses the smoothed mean node (the traditional Western-astrology default, common in free chart tools). The two agree on almost every chart; they diverge by up to ~1.75 degrees only when a node sits on a gate boundary, where the choice can move a node gate and, rarely, change the completed channels and therefore the type, authority, or definition. If another calculator shows a different type, it is likely using the mean node: pass \"mean\" to match it."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 North and South Node activations. True is what professional Human Design software uses (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against, so leave it unset for a standard chart. It matters only when a node sits on a gate boundary, where the choice can move a node gate and, rarely, change the completed channels and therefore the type, authority or definition. If another calculator shows a different type, it is almost certainly using the mean node: pass \"mean\" to match it. Defaults to \"true\"."
  7. 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."
  8. 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"
      +}
  9. Changed1 schema field changed
    • addedInput schema / properties / nodeType
      Added value: +{
      +  "default": "true",
      +  "description": "Lunar node convention for the North and South Node activations. Leave unset (or \"true\") for the standard Human Design chart: \"true\" is the osculating node used by professional Human Design software (HumanDesign.ai, Total Human Design) and is the value RoxyAPI verifies against. Pass \"mean\" to match a calculator that uses the smoothed mean node (the traditional Western-astrology default, common in free chart tools). The two agree on almost every chart; they diverge by up to ~1.75 degrees only when a node sits on a gate boundary, where the choice can move a node gate and, rarely, change the completed channels and therefore the type, authority, or definition. If another calculator shows a different type, it is likely using the mean node: pass \"mean\" to match it.",
      +  "enum": [
      +    "mean",
      +    "true"
      +  ],
      +  "example": "true",
      +  "type": "string"
      +}
  10. Changed3 schema fields 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"
      +  }
      +]
    • changedInput schema / properties / timezone / description
      Previous value: -"Decimal hours (e.g. 5.5 for IST, -5 for EST) OR IANA name (e.g. \"America/New_York\", \"UTC\"). IANA is resolved to the DST-correct offset for the request date. Invalid timezones return 400 with a validation error."New value: +"IANA name (e.g. \"America/New_York\", \"Europe/London\", \"UTC\"), decimal hours (e.g. -5 for EST, 1 for CET), or a fixed UTC offset (e.g. \"-05:00\", \"+01:00\"). Prefer the IANA name: it is resolved to the DST-correct offset for the birth date, while a fixed offset or decimal is taken literally and will be wrong if it does not match the daylight-saving state on that date. Invalid timezones return 400 with a validation error."
    • changedInput schema / properties / timezone / example
      Previous value: -5.5New value: +"America/New_York"
  11. First observed

TDQS

A4.1/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, and the description's 'Generate' / 'Returns' language is consistent with a non-mutating computation. It does not add extra operational traits such as rate limits or authentication, but the annotation coverage lowers the burden here.

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

Conciseness5/5

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

Three sentences: the first states the core function, the second summarizes the returned data, and the third gives the use case. It is front-loaded and contains no filler or repetition.

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?

The output schema exists, so return values do not need to be described, and the input schema fully documents every parameter. The description adds the essential selection context — full chart, single call, intended audience — leaving the agent with everything needed to invoke the tool correctly.

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?

All eight parameters have detailed schema descriptions at 100% coverage, including defaults, enums, and timezone edge cases. The description only names birth date, time, and timezone at a high level and adds no parameter semantics beyond what the schema already provides.

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 'Generate a complete Human Design bodygraph' — a specific verb plus resource — and enumerates the returned components (type, strategy, authority, profile, centers, channels, gates). 'The single endpoint for a full chart in one call' clearly separates it from the sibling component-specific endpoints.

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 gives a clear intended context: use this when a full chart is needed in one call, 'built for Human Design apps, readings, and coaching tools.' It implies a contrast with component-specific sibling tools but does not name alternatives or state explicit when-not-to-use conditions.

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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