AstroWay Astrology API (full catalogue)

Tong Shu day: officer and mansion

astroway_chinese_tong_shu

Read-onlyIdempotent

The almanac reading of one day: day pillar, the day officer (建除十二神) with what the register endorses and forbids, the 28 mansion with its quadrant and planet, and the animal the day clashes.

[Group: Chinese: Zodiac & Feng Shui] [Endpoint: POST /v1/chinese/tong-shu] [Required: date] [Cost: 10 credits (Tier 1)]

Input Schema

Name	Required	Description
`date`	Yes
`time`	No
`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.
`language`	No
`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.
`precision`	No	Compact mode: round fractional numbers to this many decimals. Longitudes carry 14 by default; 2 is finer than any chart is drawn.
`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
`date`	No
`clash`	No
`notes`	No
`mansion`	No
`officer`	No
`dayPillar`	No
`solarYear`	No
`monthBranch`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed11 schema fields changedNov 7, 2026

changedOutput schema / properties / clash / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "animal": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "branch": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "note": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "animal": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "branch": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "note": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / date / anyOf

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

addedOutput schema / properties / date / type
```
Added value: +[
+  "string",
+  "null"
+]
```

changedOutput schema / properties / dayPillar / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "animal": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "branch": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "pillar": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "stem": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "animal": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "branch": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "pillar": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "stem": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / mansion / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "chinese": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "index": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "name": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "pinyin": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "planet": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "quadrant": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "weekday": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "chinese": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "index": {
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "name": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "pinyin": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "planet": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "quadrant": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "weekday": {
+        "type": [
+          "number",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / monthBranch / anyOf

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

addedOutput schema / properties / monthBranch / type
```
Added value: +[
+  "string",
+  "null"
+]
```

changedOutput schema / properties / notes / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / officer / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "chinese": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "index": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "name": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "pinyin": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "suitable": {
-        "anyOf": [
-          {
-            "items": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "type": "array"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "summary": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "unsuitable": {
-        "anyOf": [
-          {
-            "items": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "type": "array"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "chinese": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "index": {
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "name": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "pinyin": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "suitable": {
+        "anyOf": [
+          {
+            "items": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "summary": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "unsuitable": {
+        "anyOf": [
+          {
+            "items": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / solarYear / anyOf

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

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

First observedOct 5, 2026

TDQS

A3.6/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, closed-world, non-destructive, so the safety profile is covered. Beyond that, the description discloses the credit cost and tier and summarizes the register content (endorsed/forbidden activities), which is genuine behavioral context an agent needs before spending credits. It does not contradict the annotations.

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 substantive content is a single front-loaded sentence describing the return payload, followed by a compact metadata block (group, endpoint, required, cost). The metadata is conventional and does not obscure the purpose. No wasted prose.

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?

An output schema exists, so return-value structure need not be re-explained; the description still gives a useful human-readable inventory of the payload. Required input, cost, and endpoint are all present, so an agent has enough to decide and invoke correctly.

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?

Schema description coverage is only 57%, yet the description adds nothing about the six non-required parameters (time, fields, language, precision, timezone, timezoneOffset). It only echoes 'Required: date', which the schema already encodes. Notably it does not clarify whether time or timezone affect a day-level reading, leaving a real ambiguity unresolved.

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 resource and enumerates exactly what is returned for one day: the day pillar, the day officer with endorsed/forbidden activities, the 28 mansion with quadrant and planet, and the clash animal. That is far more specific than a restatement of the title. It stops short of explicitly distinguishing itself from the sibling astroway_chinese_tong_shu_select, which an agent could reasonably confuse with a per-day reading.

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: the phrase 'one day' suggests this is the single-day lookup, but the description never states when to choose this over astroway_chinese_tong_shu_select or the lunar-date/zodiac siblings. There are no exclusions or prerequisites stated, so the agent must infer routing from names 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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