AstroWay Platform

Tarot Spread Reading

astroway_ai_interpret_tarot

Read-only

AI reading of a tarot, Marseille or Lenormand spread: each position read in context, then a synthesis of the whole spread and one piece of advice. Takes card slugs or the drawn array of any draw response. Multi-language.

[Group: AI Interpretations] [Endpoint: POST /v1/interpret/tarot] [Required: cards] [Cost: 100 credits (Tier 4)]

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": {
      "cards": "<cards>"
    },
    "name": "astroway_ai_interpret_tarot"
  }
}

Input Schema

Name	Required	Description	Default
`art`	No	Card art set for the images in the answer. GET /v1/tarot/decks lists them.
`deck`	No		rider-waite
`cards`	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.
`spread`	No
`language`	No
`question`	No
`precision`	No	Compact mode: round fractional numbers to this many decimals. Longitudes carry 14 by default; 2 is finer than any chart is drawn.

Output Schema

Name	Required	Description	Default
`deck`	No
`model`	No
`advice`	No
`spread`	No
`language`	No
`question`	No
`positions`	No
`synthesis`	No
`disclaimer`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed16 schema fields changedNov 7, 2026

removedOutput schema / properties / advice / anyOf

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

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

removedOutput schema / properties / deck / anyOf

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

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

removedOutput schema / properties / disclaimer / anyOf

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

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

removedOutput schema / properties / language / anyOf

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

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

removedOutput schema / properties / model / anyOf

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

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

changedOutput schema / properties / positions / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "additionalProperties": {},
-          "properties": {
-            "card": {
-              "anyOf": [
-                {
-                  "additionalProperties": {},
-                  "properties": {
-                    "name": {
-                      "anyOf": [
-                        {
-                          "type": "string"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "slug": {
-                      "anyOf": [
-                        {
-                          "type": "string"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    }
-                  },
-                  "type": "object"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "index": {
-              "anyOf": [
-                {
-                  "type": "number"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "position": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "positionMeaning": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "reading": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "reversed": {
-              "anyOf": [
-                {
-                  "type": "boolean"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            }
-          },
-          "type": "object"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "anyOf": [
+        {
+          "additionalProperties": {},
+          "properties": {
+            "card": {
+              "anyOf": [
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "name": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "slug": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "index": {
+              "type": [
+                "number",
+                "null"
+              ]
+            },
+            "position": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "positionMeaning": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "reading": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "reversed": {
+              "type": [
+                "boolean",
+                "null"
+              ]
+            }
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / question / anyOf

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

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

changedOutput schema / properties / spread / anyOf

Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "name": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "slug": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "name": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "slug": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / synthesis / anyOf

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

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

AddedOct 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/openWorld/destructive=false, but the description adds genuinely new context: a fixed cost of 100 credits (Tier 4), the HTTP endpoint, the required parameter, and the response structure. It does not mention that AI output is non-deterministic, which is relevant given idempotentHint=false, but overall it contributes meaningful behavior beyond 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?

Two front-loaded sentences describing what the tool produces and what it accepts, followed by a compact bracketed metadata block for group, endpoint, required field and cost. Dense with no filler, though the metadata block is somewhat conventional rather than explanatory.

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?

An output schema exists so return values need not be explained, and the description is complete enough for the core call. However, with 8 parameters and two of them (spread, question) entirely undocumented anywhere, an agent lacks enough to use the tool fully.

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 only 38%, and the description compensates only for 'cards' (accepting slugs or a drawn array) and indirectly for 'deck' via the tarot/Marseille/Lenormand wording. 'spread' and 'question' are completely unaddressed in both schema and description, leaving a real gap.

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?

States a specific verb and resource ('AI reading of a tarot, Marseille or Lenormand spread') and outlines the output shape (per-position reading, synthesis, one piece of advice). The tarot-spread domain clearly separates it from siblings like astroway_ai_interpret_natal or astroway_ai_interpret_transits, though no sibling is named explicitly.

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 implied: call this when you have drawn cards and want them interpreted. 'Takes card slugs or the drawn array of any draw response' hints at a workflow but there are no explicit when-to-use/when-not conditions and no guidance on choosing between the tarot reader and the other interpret_* tools.

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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