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mcp-lad-lviv-ua

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JavaScript
Hybrid

Get Stop Geometry

get_stop_geometry
Read-onlyIdempotent

Retrieve static map markers and route polylines for a stop to overlay route shapes on an existing map. Use when visualizing which routes pass a stop without live arrivals.

Instructions

Returns static map context for a stop: its marker and polylines for every route that serves it. No live data is fetched. Use this when you need to enrich an existing map with route shapes (e.g. overlay polylines alongside a get_stop_realtime map block) or when the user asks to visualise which routes pass a stop without needing live arrivals. Do NOT use this when live arrival times or vehicle positions are needed — use get_stop_realtime instead. Requires a numeric stop ID; call get_stops_around_location first if you only have coordinates.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
stop_idYesMunicipal stop code shown on stop signage (e.g. 707). Accepts a positive integer or an equivalent digit-only string.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataYes
viewYes
ui_blocksYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.0.11
  2. Removedv1.0.9
  3. Changed2 schema fields changedv1.0.8
    • changedInput schema / properties / stop_id / anyOf
      Previous value: -[
-  {
-    "description": "Numeric municipal stop code (e.g. 707).",
-    "exclusiveMinimum": 0,
-    "maximum": 9007199254740991,
-    "type": "integer"
-  },
-  {
-    "description": "Municipal stop code as digits-only string (e.g. \"707\").",
-    "pattern": "^\\d+$",
-    "type": "string"
-  }
-]New value: +[
+  {
+    "description": "Positive integer stop code (e.g. 707).",
+    "exclusiveMinimum": 0,
+    "maximum": 9007199254740991,
+    "type": "integer"
+  },
+  {
+    "description": "Stop code as a digits-only string (e.g. \"707\").",
+    "pattern": "^\\d+$",
+    "type": "string"
+  }
+]
    • addedInput schema / properties / stop_id / description
      Added value: +"Municipal stop code shown on stop signage (e.g. 707). Accepts a positive integer or an equivalent digit-only string."
  4. First observedv1.0.0

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, openWorldHint. The description adds that no live data is fetched and specifies return components (marker, polylines), which is valuable beyond annotations.

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?

Two well-structured sentences, front-loaded, no wasted words. Every sentence adds value.

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?

Given the tool has an output schema, the description adequately covers purpose, usage guidelines, and prerequisites. Parameter is simple. No gaps identified.

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% with clear parameter description. The description reiterates it requires a numeric stop ID and adds cross-reference to get_stops_around_location, but adds minimal new semantic info beyond 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?

The description clearly states the tool returns static map context for a stop: marker and polylines for every route. It uses specific verbs and resource, distinguishing from sibling get_stop_realtime.

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 says when to use (enrich map, visualize routes) and when not to (live data needed), with a direct reference to get_stop_realtime as alternative. Also provides prerequisite to call get_stops_around_location if only coordinates are available.

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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