Lviv Public Transport

Get Stops Around Location

get_stops_around_location

Read-onlyIdempotent

Finds stops near a geographic point, returning each stop's numeric ID, name, coordinates, walking distance, and the routes serving it. Use this as the first step when the user gives an address or coordinates and you need stop IDs for get_stop_realtime or find_routes_between. Use search_stops instead when the user gives a stop name. Default radius is 1 000 m; narrow it (e.g. 300 m) for dense urban areas or widen it (up to 3 000 m) for rural locations.

Input Schema

Name	Required	Description
`latitude`	Yes	Decimal latitude of the search centre, WGS84 (e.g. 49.842 for central Lviv).
`longitude`	Yes	Decimal longitude of the search centre, WGS84 (e.g. 24.031 for central Lviv).
`radius_meters`	No	Search radius in metres (50–3000, default 1000). Use ~300 for dense urban intersections, up to 3000 for suburban or rural areas.

Output Schema

Name	Required	Description	Default
`data`	Yes
`view`	Yes
`ui_blocks`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedNov 4, 2026
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / center / additionalItems
```
Removed value: -false
```
- changedOutput schema / properties / ui_blocks / items / properties / data / properties / center / items
```
Previous value: -[
-  {
-    "type": [
-      "number",
-      "null"
-    ]
-  },
-  {
-    "type": [
-      "number",
-      "null"
-    ]
-  }
-]New value: +false
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / center / prefixItems
```
Added value: +[
+  {
+    "type": [
+      "number",
+      "null"
+    ]
+  },
+  {
+    "type": [
+      "number",
+      "null"
+    ]
+  }
+]
```
Changed8 schema fields changedNov 2, 2026
- removedInput schema / $schema
```
Removed value: -"http://json-schema.org/draft-07/schema#"
```
- removedOutput schema / $schema
```
Removed value: -"http://json-schema.org/draft-07/schema#"
```
- removedOutput schema / additionalProperties
```
Removed value: -false
```
- removedOutput schema / properties / data / additionalProperties
```
Removed value: -false
```
- removedOutput schema / properties / data / properties / stops / items / additionalProperties
```
Removed value: -false
```
- removedOutput schema / properties / ui_blocks / items / additionalProperties
```
Removed value: -false
```
- removedOutput schema / properties / ui_blocks / items / properties / data / additionalProperties
```
Removed value: -false
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / layers / additionalProperties
```
Removed value: -false
```

Changed6 schema fields changedSep 23, 2026

addedOutput schema / properties / data / properties / stops / items / properties / routes
```
Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}
```

changedOutput schema / properties / data / properties / stops / items / required

Previous value: -[
-  "id",
-  "name",
-  "lat",
-  "lng",
-  "distance_meters"
-]New value: +[
+  "id",
+  "name",
+  "lat",
+  "lng",
+  "routes",
+  "distance_meters"
+]

addedOutput schema / properties / ui_blocks / items / properties / data / properties / layers

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "polylines": {
+      "type": "string"
+    },
+    "stops": {
+      "type": "string"
+    },
+    "vehicles": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

removedOutput schema / properties / ui_blocks / items / properties / data / properties / stops

Removed value: -{
-  "items": {
-    "additionalProperties": false,
-    "properties": {
-      "distance_meters": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "id": {
-        "type": "string"
-      },
-      "lat": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "lng": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "name": {
-        "type": [
-          "string",
-          "null"
-        ]
-      }
-    },
-    "required": [
-      "id",
-      "name",
-      "lat",
-      "lng",
-      "distance_meters"
-    ],
-    "type": "object"
-  },
-  "type": "array"
-}

removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles

Removed value: -{
-  "items": {
-    "additionalProperties": false,
-    "properties": {
-      "bearing": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "eta_minutes": {
-        "anyOf": [
-          {
-            "maximum": 9007199254740991,
-            "minimum": -9007199254740991,
-            "type": "integer"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "eta_status": {
-        "enum": [
-          "assigned",
-          "unassigned"
-        ],
-        "type": "string"
-      },
-      "id": {
-        "type": "string"
-      },
-      "lat": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "lng": {
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "next_stop_id": {
-        "type": [
-          "string",
-          "null"
-        ]
-      },
-      "route": {
-        "type": [
-          "string",
-          "null"
-        ]
-      }
-    },
-    "required": [
-      "id",
-      "route",
-      "lat",
-      "lng",
-      "bearing",
-      "next_stop_id",
-      "eta_minutes",
-      "eta_status"
-    ],
-    "type": "object"
-  },
-  "type": "array"
-}

changedOutput schema / properties / ui_blocks / items / properties / data / required

Previous value: -[
-  "center",
-  "zoom",
-  "stops",
-  "vehicles"
-]New value: +[
+  "center",
+  "zoom",
+  "layers"
+]

Changed34 schema fields changedSep 6, 2026
- removedOutput schema / properties / data / properties / center_lat / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / center_lat / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / center_lng / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / center_lng / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / stops / items / properties / distance_meters / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / stops / items / properties / distance_meters / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / stops / items / properties / lat / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / stops / items / properties / lat / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / stops / items / properties / lng / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / stops / items / properties / lng / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / stops / items / properties / name / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / data / properties / stops / items / properties / name / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / center / additionalItems
```
Added value: +false
```
- changedOutput schema / properties / ui_blocks / items / properties / data / properties / center / items
```
Previous value: -[
-  {
-    "anyOf": [
-      {
-        "type": "number"
-      },
-      {
-        "type": "null"
-      }
-    ]
-  },
-  {
-    "anyOf": [
-      {
-        "type": "number"
-      },
-      {
-        "type": "null"
-      }
-    ]
-  }
-]New value: +[
+  {
+    "type": [
+      "number",
+      "null"
+    ]
+  },
+  {
+    "type": [
+      "number",
+      "null"
+    ]
+  }
+]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / center / maxItems
```
Added value: +2
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / center / minItems
```
Added value: +2
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / distance_meters / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / distance_meters / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / lat / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / lat / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / lng / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / lng / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / name / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / stops / items / properties / name / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / bearing / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / bearing / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / lat / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / lat / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / lng / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / lng / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / next_stop_id / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / next_stop_id / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / route / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / ui_blocks / items / properties / data / properties / vehicles / items / properties / route / type
```
Added value: +[
+  "string",
+  "null"
+]
```

Changed1 schema field changedApr 30, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "data": {
+      "additionalProperties": false,
+      "properties": {
+        "center_lat": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "center_lng": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "radius_meters": {
+          "type": "number"
+        },
+        "stops": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "distance_meters": {
+                "anyOf": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "id": {
+                "type": "string"
+              },
+              "lat": {
+                "anyOf": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "lng": {
+                "anyOf": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "name": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "id",
+              "name",
+              "lat",
+              "lng",
+              "distance_meters"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "updated_at": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "center_lat",
+        "center_lng",
+        "radius_meters",
+        "stops",
+        "updated_at"
+      ],
+      "type": "object"
+    },
+    "ui_blocks": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "data": {
+            "additionalProperties": false,
+            "properties": {
+              "center": {
+                "items": [
+                  {
+                    "anyOf": [
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  },
+                  {
+                    "anyOf": [
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "null"
+                      }
+                    ]
+                  }
+                ],
+                "type": "array"
+              },
+              "stops": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "distance_meters": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "id": {
+                      "type": "string"
+                    },
+                    "lat": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "lng": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "name": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    }
+                  },
+                  "required": [
+                    "id",
+                    "name",
+                    "lat",
+                    "lng",
+                    "distance_meters"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "vehicles": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "bearing": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "eta_minutes": {
+                      "anyOf": [
+                        {
+                          "maximum": 9007199254740991,
+                          "minimum": -9007199254740991,
+                          "type": "integer"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "eta_status": {
+                      "enum": [
+                        "assigned",
+                        "unassigned"
+                      ],
+                      "type": "string"
+                    },
+                    "id": {
+                      "type": "string"
+                    },
+                    "lat": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "lng": {
+                      "anyOf": [
+                        {
+                          "type": "number"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "next_stop_id": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "route": {
+                      "anyOf": [
+                        {
+                          "type": "string"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    }
+                  },
+                  "required": [
+                    "id",
+                    "route",
+                    "lat",
+                    "lng",
+                    "bearing",
+                    "next_stop_id",
+                    "eta_minutes",
+                    "eta_status"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "zoom": {
+                "type": "number"
+              }
+            },
+            "required": [
+              "center",
+              "zoom",
+              "stops",
+              "vehicles"
+            ],
+            "type": "object"
+          },
+          "type": {
+            "const": "map",
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "data"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "view": {
+      "const": "transit_realtime",
+      "type": "string"
+    }
+  },
+  "required": [
+    "view",
+    "data",
+    "ui_blocks"
+  ],
+  "type": "object"
+}

Changed3 schema fields changedApr 29, 2026

changedInput schema / properties / latitude / description

Previous value: -"Center latitude (WGS84)."New value: +"Decimal latitude of the search centre, WGS84 (e.g. 49.842 for central Lviv)."

changedInput schema / properties / longitude / description

Previous value: -"Center longitude (WGS84)."New value: +"Decimal longitude of the search centre, WGS84 (e.g. 24.031 for central Lviv)."

changedInput schema / properties / radius_meters / description

Previous value: -"Search radius in meters (default 1000; same cap as the public /closest API)."New value: +"Search radius in metres (50–3000, default 1000). Use ~300 for dense urban intersections, up to 3000 for suburban or rural areas."

First observedApr 26, 2026

TDQS

A4.4/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint and openWorldHint, so the safety profile is covered; the description adds value by disclosing what is returned and how radius tuning affects results in dense vs. rural settings. It stops short of noting pagination, result caps, or behaviour when no stops are found, which keeps it from a 5.

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?

Front-loaded with purpose and return fields, then usage routing, then radius tuning — a logical order with no filler. Minor waste comes from repeating the 300 m / 3 000 m radius guidance already present in the parameter descriptions.

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 three-parameter read tool with an output schema, the description covers selection, alternatives, downstream use, and the one behavioural knob (radius) that changes result quality. Nothing an agent needs in order to call it correctly is missing.

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 coverage is 100% and every parameter already documents its range, WGS84 format and urban/rural sizing advice, so the description's radius guidance largely restates the schema. It adds no new syntax or interpretation beyond that, which matches the baseline 3 for high-coverage schemas.

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 resource ('Finds stops near a geographic point') and enumerates the returned fields (ID, name, coordinates, walking distance, serving routes), which lets an agent distinguish it from search_stops and get_stop_realtime without opening a schema.

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?

Explicitly positions the tool as the 'first step' when the input is an address or coordinates, names the downstream tools that consume the stop IDs, and gives a clear exclusion rule: use search_stops when the user supplies a stop name.

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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