Brainy Prices — UAE Cost of Living

residence_visas

Read-onlyIdempotent

UAE residence visas by route: payer, requirements, fees, medical/insurance bands.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`route_id`	No
`page_size`	No
`include_common_fees`	No

Output Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 13, 2026
- removedInput schema / $schema
```
Removed value: -"https://json-schema.org/draft/2020-12/schema"
```

Changed16 schema fields changedOct 6, 2026

removedInput schema / properties / route_id / type
```
Removed value: -"string"
```

removedOutput schema / $defs / Fee

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "alternative_id": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "amount_aed": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "amount_max_aed": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "fee_id": {
-      "type": "string"
-    },
-    "optional": {
-      "type": "boolean"
-    },
-    "percent": {
-      "type": [
-        "number",
-        "null"
-      ]
-    },
-    "quote": {
-      "type": "string"
-    },
-    "when": {
-      "type": [
-        "string",
-        "null"
-      ]
-    }
-  },
-  "required": [
-    "fee_id",
-    "quote",
-    "amount_aed",
-    "amount_max_aed",
-    "percent",
-    "when",
-    "alternative_id",
-    "optional"
-  ],
-  "type": "object"
-}

removedOutput schema / $defs / FeeCard / properties / fees / items / $ref
```
Removed value: -"#/$defs/Fee"
```
addedOutput schema / $defs / FeeCard / properties / fees / items / additionalProperties
```
Added value: +false
```

addedOutput schema / $defs / FeeCard / properties / fees / items / properties

Added value: +{
+  "alternative_id": {
+    "anyOf": [
+      {
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  },
+  "amount_aed": {
+    "type": [
+      "number",
+      "null"
+    ]
+  },
+  "amount_max_aed": {
+    "type": [
+      "number",
+      "null"
+    ]
+  },
+  "fee_id": {
+    "type": "string"
+  },
+  "optional": {
+    "type": "boolean"
+  },
+  "percent": {
+    "type": [
+      "number",
+      "null"
+    ]
+  },
+  "quote": {
+    "type": "string"
+  },
+  "when": {
+    "type": [
+      "string",
+      "null"
+    ]
+  }
+}

addedOutput schema / $defs / FeeCard / properties / fees / items / required

Added value: +[
+  "fee_id",
+  "quote",
+  "amount_aed",
+  "amount_max_aed",
+  "percent",
+  "when",
+  "alternative_id",
+  "optional"
+]

addedOutput schema / $defs / FeeCard / properties / fees / items / type
```
Added value: +"object"
```

removedOutput schema / $defs / ResidenceFeeItem

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "authority": {
-      "type": [
-        "string",
-        "null"
-      ]
-    },
-    "card": {
-      "anyOf": [
-        {
-          "$ref": "#/$defs/FeeCard"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "item_id": {
-      "type": "string"
-    },
-    "paused_since": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "provenance": {
-      "$ref": "#/$defs/Provenance"
-    },
-    "status": {
-      "enum": [
-        "ok",
-        "paused"
-      ],
-      "type": "string"
-    },
-    "title": {
-      "type": "string"
-    },
-    "url": {
-      "type": [
-        "string",
-        "null"
-      ]
-    }
-  },
-  "required": [
-    "item_id",
-    "title",
-    "status",
-    "authority",
-    "url",
-    "paused_since",
-    "card",
-    "provenance"
-  ],
-  "type": "object"
-}

removedOutput schema / $defs / ResidenceFeeItemListResponse

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "context": {
-      "anyOf": [
-        {
-          "$ref": "#/$defs/ResidenceContext"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "data": {
-      "items": {
-        "$ref": "#/$defs/ResidenceFeeItem"
-      },
-      "type": "array"
-    },
-    "links": {
-      "$ref": "#/$defs/Links"
-    },
-    "meta": {
-      "$ref": "#/$defs/ResponseMeta"
-    }
-  },
-  "required": [
-    "meta",
-    "context",
-    "data",
-    "links"
-  ],
-  "type": "object"
-}

removedOutput schema / $defs / ResidenceRoute / properties / paused_steps / items / properties / step_id / type
```
Removed value: -"string"
```
removedOutput schema / $defs / ResidenceRoute / properties / payer / type
```
Removed value: -[
-  "string",
-  "null"
-]
```
removedOutput schema / $defs / ResidenceRoute / properties / route_id / type
```
Removed value: -"string"
```

removedOutput schema / $defs / ResidenceRouteListResponse

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "context": {
-      "anyOf": [
-        {
-          "$ref": "#/$defs/ResidenceContext"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "data": {
-      "items": {
-        "$ref": "#/$defs/ResidenceRoute"
-      },
-      "type": "array"
-    },
-    "links": {
-      "$ref": "#/$defs/Links"
-    },
-    "meta": {
-      "$ref": "#/$defs/ResponseMeta"
-    }
-  },
-  "required": [
-    "meta",
-    "context",
-    "data",
-    "links"
-  ],
-  "type": "object"
-}

removedOutput schema / $defs / ResidenceRouteResponse

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "context": {
-      "$ref": "#/$defs/ResidenceContext"
-    },
-    "data": {
-      "anyOf": [
-        {
-          "$ref": "#/$defs/ResidenceRoute"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "links": {
-      "$ref": "#/$defs/Links"
-    },
-    "meta": {
-      "$ref": "#/$defs/ResponseMeta"
-    }
-  },
-  "required": [
-    "meta",
-    "data",
-    "links"
-  ],
-  "type": "object"
-}

removedOutput schema / $defs / ToolFailure

Removed value: -{
-  "additionalProperties": false,
-  "properties": {
-    "error": {
-      "additionalProperties": false,
-      "properties": {
-        "code": {
-          "type": "string"
-        },
-        "message": {
-          "type": "string"
-        },
-        "retry_after_s": {
-          "type": [
-            "integer",
-            "null"
-          ]
-        },
-        "retryable": {
-          "type": "boolean"
-        }
-      },
-      "required": [
-        "code",
-        "message",
-        "retryable",
-        "retry_after_s"
-      ],
-      "type": "object"
-    },
-    "request_id": {
-      "type": [
-        "string",
-        "null"
-      ]
-    }
-  },
-  "required": [
-    "error",
-    "request_id"
-  ],
-  "type": "object"
-}

changedOutput schema / anyOf

Previous value: -[
-  {
-    "$ref": "#/$defs/ResidenceRouteListResponse"
-  },
-  {
-    "$ref": "#/$defs/ResidenceRouteResponse"
-  },
-  {
-    "$ref": "#/$defs/ResidenceFeeItemListResponse"
-  },
-  {
-    "$ref": "#/$defs/ToolFailure"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "context": {
+        "anyOf": [
+          {
+            "$ref": "#/$defs/ResidenceContext"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "data": {
+        "items": {
+          "$ref": "#/$defs/ResidenceRoute"
+        },
+        "type": "array"
+      },
+      "links": {
+        "$ref": "#/$defs/Links"
+      },
+      "meta": {
+        "$ref": "#/$defs/ResponseMeta"
+      }
+    },
+    "required": [
+      "meta",
+      "context",
+      "data",
+      "links"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "context": {
+        "$ref": "#/$defs/ResidenceContext"
+      },
+      "data": {
+        "anyOf": [
+          {
+            "$ref": "#/$defs/ResidenceRoute"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "links": {
+        "$ref": "#/$defs/Links"
+      },
+      "meta": {
+        "$ref": "#/$defs/ResponseMeta"
+      }
+    },
+    "required": [
+      "meta",
+      "data",
+      "links"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "context": {
+        "anyOf": [
+          {
+            "$ref": "#/$defs/ResidenceContext"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "data": {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "authority": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "card": {
+              "anyOf": [
+                {
+                  "$ref": "#/$defs/FeeCard"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "item_id": {
+              "type": "string"
+            },
+            "paused_since": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "provenance": {
+              "$ref": "#/$defs/Provenance"
+            },
+            "status": {
+              "enum": [
+                "ok",
+                "paused"
+              ]
+            },
+            "title": {
+              "type": "string"
+            },
+            "url": {
+              "type": [
+                "string",
+                "null"
+              ]
+            }
+          },
+          "required": [
+            "item_id",
+            "title",
+            "status",
+            "authority",
+            "url",
+            "paused_since",
+            "card",
+            "provenance"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "links": {
+        "$ref": "#/$defs/Links"
+      },
+      "meta": {
+        "$ref": "#/$defs/ResponseMeta"
+      }
+    },
+    "required": [
+      "meta",
+      "context",
+      "data",
+      "links"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          },
+          "retry_after_s": {
+            "type": [
+              "integer",
+              "null"
+            ]
+          },
+          "retryable": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "code",
+          "message",
+          "retryable",
+          "retry_after_s"
+        ],
+        "type": "object"
+      },
+      "request_id": {
+        "type": [
+          "string",
+          "null"
+        ]
+      }
+    },
+    "required": [
+      "error",
+      "request_id"
+    ],
+    "type": "object"
+  }
+]

AddedOct 4, 2026

TDQS

B3.4/5.0

Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so safety behavior is covered structurally. The description adds only the content scope (medical/insurance bands, payer, requirements) and says nothing about pagination, result size, or freshness, which the annotations do not cover.

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?

A single compact, front-loaded phrase with no filler and the retrieval axis stated first. It is a verbless fragment, which slightly limits readability but not efficiency.

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 no explanation, and all three inputs are optional. Still, with 0% parameter descriptions and no indication of how routes map to results or how common fees behave, the definition is only minimally sufficient for correct invocation.

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 0%, so the description must carry the burden. 'by route' gives route_id a purpose and the enum values are self-describing, but include_common_fees remains ambiguous (what counts as a 'common' fee) and page_size is only documented by its default/min/max in the schema.

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 the resource (UAE residence visas) and the axis of retrieval (by route) plus the data dimensions returned (payer, requirements, fees, medical/insurance bands), so an agent knows what it will get. It never distinguishes itself from plausible siblings such as move_to_dubai or costs_by_emirate, 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 Guidelines3/5

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

'by route' implies the intended query pattern (select one of the route enum values), which is genuine but minimal usage guidance. There is no statement of when to prefer this over siblings like move_to_dubai, and no exclusions or prerequisites are given.

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

All Brainy Prices — UAE Cost of Living tools Inspect

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