AstroWay Vedic astrology

Jaimini: Atmakaraka rotation (timeline)

astroway_vedic_jaimini_atmakaraka_rotation

Read-onlyIdempotent

Naisargika 1°/year symbolic progression of sidereal longitudes; scans for moments when the rank-1 chara karaka (Atmakaraka) changes. Returns timeline of soul-significator transitions with age-of-event + before/after planets + life-event hints. Default span 84 years; capped at 120.

[Group: Vedic] [Endpoint: POST /v1/vedic/jaimini/atmakaraka-rotation] [Required: date, time, latitude, longitude] [Cost: 20 credits (Tier 2)]

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
`lagna`	No
`events`	No
`method`	No
`yearsScanned`	No
`birthAtmakaraka`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed9 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 / birthAtmakaraka / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "graha": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "grahaName": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "graha": {
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "grahaName": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / events / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "additionalProperties": {},
-          "properties": {
-            "ageYears": {
-              "anyOf": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "fromPlanet": {
-              "anyOf": [
-                {
-                  "additionalProperties": {},
-                  "properties": {
-                    "graha": {
-                      "anyOf": [
-                        {
-                          "type": "number"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "grahaName": {
-                      "anyOf": [
-                        {
-                          "type": "string"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    }
-                  },
-                  "type": "object"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "toPlanet": {
-              "anyOf": [
-                {
-                  "additionalProperties": {},
-                  "properties": {
-                    "graha": {
-                      "anyOf": [
-                        {
-                          "type": "number"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "grahaName": {
-                      "anyOf": [
-                        {
-                          "type": "string"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    }
-                  },
-                  "type": "object"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "triggers": {
-              "anyOf": [
-                {
-                  "items": {
-                    "anyOf": [
-                      {
-                        "type": "string"
-                      },
-                      {
-                        "type": "null"
-                      }
-                    ]
-                  },
-                  "type": "array"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            }
-          },
-          "type": "object"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "anyOf": [
+        {
+          "additionalProperties": {},
+          "properties": {
+            "ageYears": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "fromPlanet": {
+              "anyOf": [
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "graha": {
+                      "type": [
+                        "number",
+                        "null"
+                      ]
+                    },
+                    "grahaName": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "toPlanet": {
+              "anyOf": [
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "graha": {
+                      "type": [
+                        "number",
+                        "null"
+                      ]
+                    },
+                    "grahaName": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "triggers": {
+              "anyOf": [
+                {
+                  "items": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "type": "array"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            }
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / lagna / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "sign": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "signName": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "sign": {
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "signName": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / method / anyOf

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

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

removedOutput schema / properties / yearsScanned / anyOf

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

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

First observedOct 5, 2026

TDQS

B3.3/5.0

Behavior4/5

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

Annotations already declare readOnly/idempotent/non-destructive, so the description is not obligated to repeat safety. It adds genuinely non-obvious behavior: the fixed 1°/year progression model, a default 84-year scan window capped at 120, the composition of each timeline entry (age of event, before/after planets, life-event hints), and a 20-credit Tier 2 cost that matters for budget-aware planning.

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 front-loaded prose sentences followed by a scannable bracketed metadata block (group, endpoint, required, cost). Little is wasted, though the bracketed cost/endpoint lines duplicate structured data the agent may already have.

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 computationally heavy tool, the description conveys what is computed, the scan horizon, and the shape of returned records, and an output schema exists so return values need not be fully spelled out. Remaining gaps are around input expectations (birth data precision, timezone handling) rather than the tool's purpose.

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 33% across 15 parameters, so the description bears most of the burden and largely does not carry it: geo/time inputs, zodiacType, houseSystem, cosmogram, name and city are unaddressed in the prose. The '[Required: date, time, latitude, longitude]' line merely restates the schema's required array, and the 'default span 84 / capped at 120' rule refers to a span control that is not even present in the schema, which adds confusion rather than clarity.

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 technique (Naisargika 1°/year symbolic progression of sidereal longitudes) and a specific output (timeline of moments when the rank-1 chara karaka changes), which distinguishes it from static sibling tools like astroway_vedic_jaimini_karakas or chara_karakas. It never explicitly names those siblings as alternatives, so it stops short of a 5.

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

Usage Guidelines2/5

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

There is no statement of when to reach for this versus the many other Jaimini tools (karakas, chara dashas, padas) or when it is inappropriate. The only contextual cue is implicit in the returned artifact (a life-event timeline), leaving the agent to infer selection from jargon.

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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