AstroWay Human Design

HD Circuitry Analysis

astroway_hd_circuitry

Read-onlyIdempotent

Analyze which of the 3 Circuits (Tribal, Individual, Collective) and 6 Sub-circuits are activated in a Human Design chart based on defined channels.

[Group: Human Design] [Endpoint: POST /v1/hd/circuitry] [Required: date, time, latitude, longitude] [Cost: 20 credits (Tier 2)]

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": {
      "date": "<date>",
      "time": "<time>",
      "latitude": "<latitude>",
      "longitude": "<longitude>"
    },
    "name": "astroway_hd_circuitry"
  }
}

Input Schema

Name	Required	Description	Default
`city`	No
`date`	Yes
`name`	No
`time`	Yes
`fields`	No	Compact mode: comma-separated dotted paths to keep, relative to `data`, e.g. "planets.name,planets.longitude,houses.cusp". Omit for the whole response.
`ayanamsa`	No	Sidereal school by name. Lahiri when omitted. Equivalent to ayanamsaId; send either.
`latitude`	Yes
`timezone`	No	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.
`cosmogram`	No
`longitude`	Yes
`precision`	No	Compact mode: round fractional numbers to this many decimals. Longitudes carry 14 by default; 2 is finer than any chart is drawn.
`ayanamsaId`	No
`zodiacType`	No
`houseSystem`	No		P
`timezoneOffset`	No	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.

Output Schema

Name	Required	Description	Default
`circuits`	No
`totalActive`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedNov 7, 2026

removedInput schema / properties / ayanamsaId / anyOf

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

addedInput schema / properties / ayanamsaId / type
```
Added value: +[
+  "number",
+  "null"
+]
```

changedOutput schema / properties / circuits / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "additionalProperties": {},
-          "properties": {
-            "activeCount": {
-              "anyOf": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "color": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "name": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "subCircuits": {
-              "anyOf": [
-                {
-                  "items": {
-                    "anyOf": [
-                      {
-                        "additionalProperties": {},
-                        "properties": {
-                          "activeCount": {
-                            "anyOf": [
-                              {
-                                "type": "number"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ]
-                          },
-                          "channels": {
-                            "anyOf": [
-                              {
-                                "items": {
-                                  "anyOf": [
-                                    {
-                                      "additionalProperties": {},
-                                      "properties": {
-                                        "active": {
-                                          "anyOf": [
-                                            {
-                                              "type": "boolean"
-                                            },
-                                            {
-                                              "type": "null"
-                                            }
-                                          ]
-                                        },
-                                        "gate1": {
-                                          "anyOf": [
-                                            {
-                                              "type": "number"
-                                            },
-                                            {
-                                              "type": "null"
-                                            }
-                                          ]
-                                        },
-                                        "gate2": {
-                                          "anyOf": [
-                                            {
-                                              "type": "number"
-                                            },
-                                            {
-                                              "type": "null"
-                                            }
-                                          ]
-                                        }
-                                      },
-                                      "type": "object"
-                                    },
-                                    {
-                                      "type": "null"
-                                    }
-                                  ]
-                                },
-                                "type": "array"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ]
-                          },
-                          "name": {
-                            "anyOf": [
-                              {
-                                "type": "string"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ]
-                          },
-                          "totalCount": {
-                            "anyOf": [
-                              {
-                                "type": "number"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ]
-                          },
-                          "type": {
-                            "anyOf": [
-                              {
-                                "type": "string"
-                              },
-                              {
-                                "type": "null"
-                              }
-                            ]
-                          }
-                        },
-                        "type": "object"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "type": "array"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "totalCount": {
-              "anyOf": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "type": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            }
-          },
-          "type": "object"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "anyOf": [
+        {
+          "additionalProperties": {},
+          "properties": {
+            "activeCount": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "color": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "name": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "subCircuits": {
+              "anyOf": [
+                {
+                  "items": {
+                    "anyOf": [
+                      {
+                        "additionalProperties": {},
+                        "properties": {
+                          "activeCount": {
+                            "type": [
+                              "number",
+                              "null"
+                            ]
+                          },
+                          "channels": {
+                            "anyOf": [
+                              {
+                                "items": {
+                                  "anyOf": [
+                                    {
+                                      "additionalProperties": {},
+                                      "properties": {
+                                        "active": {
+                                          "type": [
+                                            "boolean",
+                                            "null"
+                                          ]
+                                        },
+                                        "gate1": {
+                                          "type": [
+                                            "number",
+                                            "null"
+                                          ]
+                                        },
+                                        "gate2": {
+                                          "type": [
+                                            "number",
+                                            "null"
+                                          ]
+                                        }
+                                      },
+                                      "type": "object"
+                                    },
+                                    {
+                                      "type": "null"
+                                    }
+                                  ]
+                                },
+                                "type": "array"
+                              },
+                              {
+                                "type": "null"
+                              }
+                            ]
+                          },
+                          "name": {
+                            "type": [
+                              "string",
+                              "null"
+                            ]
+                          },
+                          "totalCount": {
+                            "type": [
+                              "number",
+                              "null"
+                            ]
+                          },
+                          "type": {
+                            "type": [
+                              "string",
+                              "null"
+                            ]
+                          }
+                        },
+                        "type": "object"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  "type": "array"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "totalCount": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "type": {
+              "type": [
+                "string",
+                "null"
+              ]
+            }
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / totalActive / anyOf

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / totalActive / type
```
Added value: +[
+  "number",
+  "null"
+]
```

First observedOct 5, 2026

TDQS

A3.5/5.0

Behavior4/5

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

Annotations already establish readOnly, idempotent, non-destructive, closed-world behavior, so the description only needs to add context — and it does, disclosing the endpoint (POST /v1/hd/circuitry), the 20-credit Tier 2 cost, and the group. It adds nothing about computation assumptions (e.g. that channels must be derived from the same birth data) or latency, but the cost disclosure is genuinely decision-relevant.

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?

One front-loaded sentence states the scope, followed by compact bracketed metadata for group, endpoint, required inputs, and cost. No filler, no repetition of the title, and the most important information comes first.

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?

The presence of an output schema removes the need to describe return values, and annotations plus the cost/endpoint metadata cover safety and economics. But for a 15-parameter tool with low schema coverage, the definition leaves the agent under-equipped on how to parameterize it and how it differs from the many adjacent HD tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 15 parameters and only 33% schema description coverage, the description must carry meaning for the undocumented ones — yet it only lists four required field names. Nothing explains how zodiacType, ayanamsa/ayanamsaId, houseSystem, cosmogram, or the compact-mode fields/precision options interact with a Human Design circuit reading, which is exactly the ambiguity an agent would hit.

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?

The description names a specific verb and resource — which of the 3 Circuits and 6 Sub-circuits are activated in a Human Design chart, derived from defined channels. That is far more precise than the sibling names alone (astroway_hd_human_design, astroway_hd_hologenetic, astroway_hd_penta), though it never explicitly contrasts itself with those siblings.

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

Usage Guidelines3/5

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

Usage is only implied: an agent can infer this is the tool for circuit/sub-circuit activation analysis rather than a full chart. The bracketed '[Required: date, time, latitude, longitude]' line gives operational minimums, but there is no when-to-use vs. when-not guidance and no pointer to the sibling tools that produce a full chart or overlay.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All AstroWay Human Design tools Inspect

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