Asterwise

Dasha Transits

asterwise_get_dasha_transits

Read-onlyIdempotent

Combines active Vimshottari lords with transits on one date and returns scored correlations plus transit longitudes and houses from Moon and Lagna.

WORKFLOW: BEFORE: RECOMMENDED — asterwise_get_natal_chart — same birth data should be understood before interpreting houses and lords. AFTER: asterwise_get_gochar — optional broader transit snapshot without dasha scoring.

INPUT CONTRACT: target_date (string, optional — YYYY-MM-DD): date to analyse; defaults to today. target_time (string, optional — HH:MM, default 12:00) and target_timezone (IANA, optional — default Asia/Kolkata) set the instant on that date. All parameters are otherwise defined in the tool schema. BirthData follows the global contract. Birth time is required: this tool has no sunrise fallback. If the user doesn't know it, say so rather than guessing; never pass time='00:00' for unknown.

DO NOT CONFUSE WITH: asterwise_get_gochar — full nine-planet Gochar with AVK and vedha fields, without dasha–transit correlation scores. asterwise_get_transits — ingress and station lists over a chosen range, not today's dasha snapshot. asterwise_get_dasha — full Vimshottari tree without transit overlay.

Full output and error contract: https://docs.asterwise.com/mcp/tools/get-dasha-transits/

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": {
      "birth": "<birth>"
    },
    "name": "asterwise_get_dasha_transits"
  }
}

Input Schema

Name	Required	Description	Default
`birth`	Yes	Birth data for tools that need the exact birth time (no sunrise fallback).
`target_date`	No	Date in YYYY-MM-DD format.
`target_time`	No	HH:MM on target_date. Defaults to 12:00.
`response_format`	No	Output format: 'markdown' (default) for a readable report, or 'json' for the raw structured payload.	markdown
`target_timezone`	No	IANA zone for target_date and target_time. Defaults to Asia/Kolkata.

Output Schema

Name	Required	Description	Default
`result`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 11, 2026

addedInput schema / properties / target_date

Added value: +{
+  "anyOf": [
+    {
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "Date in YYYY-MM-DD format."
+}

addedInput schema / properties / target_time

Added value: +{
+  "anyOf": [
+    {
+      "pattern": "^\\d{2}:\\d{2}$",
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "HH:MM on target_date. Defaults to 12:00."
+}

addedInput schema / properties / target_timezone

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "IANA zone for target_date and target_time. Defaults to Asia/Kolkata."
+}

Changed1 schema field changedOct 6, 2026

changedInput schema / properties / birth / description

Previous value: -"Birth data for tools that need the exact birth time.\n\nTheir API endpoints have no sunrise fallback and reject a request without\na time, so the time is required here instead of failing upstream."New value: +"Birth data for tools that need the exact birth time (no sunrise fallback)."

Changed7 schema fields changedOct 6, 2026

changedInput schema / properties / birth / description

Previous value: -"Birth data for a single person."New value: +"Birth data for tools that need the exact birth time.\n\nTheir API endpoints have no sunrise fallback and reject a request without\na time, so the time is required here instead of failing upstream."

removedInput schema / properties / birth / properties / time / anyOf

Removed value: -[
-  {
-    "pattern": "^\\d{2}:\\d{2}$",
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

removedInput schema / properties / birth / properties / time / default
```
Removed value: -null
```

changedInput schema / properties / birth / properties / time / description

Previous value: -"Birth time HH:MM (24h), e.g. '06:45'. Omit if unknown (a sunrise chart is used and birth_time_provided=false); never pass '00:00' for unknown."New value: +"Birth time HH:MM (24h), e.g. '06:45'. Required: this tool has no sunrise fallback. If the user doesn't know it, say so rather than guessing; never pass '00:00' for unknown."

addedInput schema / properties / birth / properties / time / pattern
```
Added value: +"^\\d{2}:\\d{2}$"
```
addedInput schema / properties / birth / properties / time / type
```
Added value: +"string"
```

changedInput schema / properties / birth / required

Previous value: -[
-  "date",
-  "lat",
-  "lon"
-]New value: +[
+  "date",
+  "time",
+  "lat",
+  "lon"
+]

Changed1 schema field changedSep 5, 2026

addedInput schema / properties / response_format / description

Added value: +"Output format: 'markdown' (default) for a readable report, or 'json' for the raw structured payload."

Changed8 schema fields changedSep 4, 2026

changedInput schema / properties / birth / properties / date / description

Previous value: -"Birth date in YYYY-MM-DD format. Example: '1985-11-12'"New value: +"Birth date YYYY-MM-DD."

changedInput schema / properties / birth / properties / lat / description

Previous value: -"Birth latitude in decimal degrees. North positive, south negative. Example: 19.0760 for Mumbai, -33.8688 for Sydney"New value: +"Latitude in decimal degrees, north positive (Mumbai 19.076)."

changedInput schema / properties / birth / properties / lon / description

Previous value: -"Birth longitude in decimal degrees. East positive, west negative. Example: 72.8777 for Mumbai, -74.0060 for New York"New value: +"Longitude in decimal degrees, east positive (Mumbai 72.8777)."

changedInput schema / properties / birth / properties / person_name / description

Previous value: -"Name of the person for this chart. Example: 'Arjun Mehta'"New value: +"Person's name, used in labels only."

changedInput schema / properties / birth / properties / time / description

Previous value: -"Birth time in HH:MM 24-hour format. Example: '06:45'. Omit entirely if the birth time is unknown: a sunrise chart is used and birth_time_provided returns false. Do not pass '00:00' for an unknown time, it is treated as a real midnight birth and returns a confidently wrong ascendant."New value: +"Birth time HH:MM (24h), e.g. '06:45'. Omit if unknown (a sunrise chart is used and birth_time_provided=false); never pass '00:00' for unknown."

changedInput schema / properties / birth / properties / timezone / description

Previous value: -"IANA timezone for the birth location. Examples: 'Asia/Kolkata' (India), 'America/New_York' (New York), 'Europe/London' (London), 'Asia/Tokyo' (Japan), 'America/Los_Angeles' (Los Angeles), 'Europe/Paris' (Paris), 'Asia/Dubai' (Dubai), 'Asia/Singapore' (Singapore), 'America/Chicago' (Chicago), 'Australia/Sydney' (Sydney). Default: Asia/Kolkata"New value: +"IANA timezone of the birth place, e.g. 'Asia/Kolkata', 'America/New_York', 'Europe/London'. Default: Asia/Kolkata"

addedInput schema / properties / response_format / default
```
Added value: +"markdown"
```

changedInput schema / required

Previous value: -[
-  "birth",
-  "response_format"
-]New value: +[
+  "birth"
+]

Changed6 schema fields changedJul 25, 2026

addedInput schema / properties / birth / properties / time / anyOf

Added value: +[
+  {
+    "pattern": "^\\d{2}:\\d{2}$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

addedInput schema / properties / birth / properties / time / default
```
Added value: +null
```

changedInput schema / properties / birth / properties / time / description

Previous value: -"Birth time in HH:MM format (24-hour). Example: '06:45'. Use '00:00' if unknown."New value: +"Birth time in HH:MM 24-hour format. Example: '06:45'. Omit entirely if the birth time is unknown: a sunrise chart is used and birth_time_provided returns false. Do not pass '00:00' for an unknown time, it is treated as a real midnight birth and returns a confidently wrong ascendant."

removedInput schema / properties / birth / properties / time / pattern
```
Removed value: -"^\\d{2}:\\d{2}$"
```
removedInput schema / properties / birth / properties / time / type
```
Removed value: -"string"
```

changedInput schema / properties / birth / required

Previous value: -[
-  "date",
-  "time",
-  "lat",
-  "lon"
-]New value: +[
+  "date",
+  "lat",
+  "lon"
+]

First observedApr 22, 2026

TDQS

A4.5/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description adds genuinely useful behavioral context beyond that: birth time is mandatory with no sunrise fallback, and the agent is told to admit ignorance rather than pass '00:00'. It stops short of describing pagination/rate limits or the scoring scale, so not a full 5.

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?

Front-loaded one-sentence purpose followed by clearly labelled WORKFLOW, INPUT CONTRACT and DO NOT CONFUSE WITH blocks. Every sentence carries routing or constraint value with no filler, and the output-contract link is deferred to the end where it belongs.

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?

For a read-only tool with 5 params, a nested birth object, 100% schema coverage and an output schema, the description supplies everything an agent needs: purpose, prerequisites, defaults, the hard birth-time requirement, and disambiguation from the three nearest siblings.

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% and every parameter (including the nested birth object) is documented in-schema, so the baseline is 3. The description restates the target_date/target_time/target_timezone defaults and the no-sunrise-fallback rule, which duplicates rather than extends the schema.

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?

States a specific verb and composite resource: combines active Vimshottari lords with transits for one date, returning scored correlations plus transit longitudes and houses from Moon and Lagna. The 'DO NOT CONFUSE WITH' block explicitly separates it from asterwise_get_gochar, asterwise_get_transits and asterwise_get_dasha, so an agent can route correctly without opening schemas.

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

Usage Guidelines5/5

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

Explicit WORKFLOW section gives a BEFORE prerequisite (get_natal_chart to understand houses/lords) and an AFTER alternative (get_gochar for a broader transit snapshot without dasha scoring). The alternatives block names three siblings with the exact distinguishing trait of each, covering when-not-to-use.

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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