MapMap

order_stops

Put a single run's stops in the best visiting order ("order my errands"). Provide start {lat, lon} and stops (1-100 entries of {location, label?, service_s?}); optionally an end destination or round_trip: true to return to the start. Costing "auto" = car, "truck" = lorry (pass truck as in route for a truck-legal order). Returns the stops in visit order with arrival offsets in seconds, plus total duration and distance.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`end`	No	Optional fixed final destination. Mutually exclusive with `round_trip`; omitted (and not a round trip), the run ends at whichever stop the solver visits last.
`start`	Yes	Where the run starts.
`stops`	Yes	The stops to put in the best visiting order (1–100).
`truck`	No	Truck profile (dimensions + ADR declaration); requires costing "truck". The travel-time matrix then respects dimensional and dangerous-goods restrictions.
`costing`	No	Costing model: "auto" (default) or "truck".	auto
`round_trip`	No	Return to `start` after the last stop (default false).

Output Schema

TableJSON Schema

Name	Required	Description
`ordered`	Yes	The stops in optimal visiting order.
`profile`	Yes	The matrix costing profile ("auto" or "truck").
`distance_m`	No	Total travel distance in metres, when reported.
`duration_s`	Yes	Total travel time in seconds.
`unassigned_stop_indexes`	Yes	0-based indexes of stops the solver could not fit (empty in the normal, unconstrained case).

Schema Changelog

Changes observed during successful MCP inspections.

Changed10 schema fields changedSep 23, 2026

addedInput schema / $defs / LatLon / anyOf

Added value: +[
+  {
+    "properties": {
+      "lat": {
+        "description": "Latitude in decimal degrees (−90 to 90).",
+        "format": "double",
+        "type": "number"
+      },
+      "lon": {
+        "description": "Longitude in decimal degrees (−180 to 180).",
+        "format": "double",
+        "type": "number"
+      }
+    },
+    "required": [
+      "lat",
+      "lon"
+    ],
+    "type": "object"
+  },
+  {
+    "description": "GeoJSON position [lon, lat]: longitude FIRST.",
+    "items": {
+      "format": "double",
+      "type": "number"
+    },
+    "maxItems": 2,
+    "minItems": 2,
+    "type": "array"
+  }
+]

changedInput schema / $defs / LatLon / description

Previous value: -"A WGS84 coordinate pair in decimal degrees."New value: +"A WGS84 coordinate in decimal degrees: a {lat, lon} object (preferred), or a GeoJSON [lon, lat] array with LONGITUDE FIRST, the same order as every polygon field on this server."

removedInput schema / $defs / LatLon / properties

Removed value: -{
-  "lat": {
-    "description": "Latitude in decimal degrees (−90 to 90).",
-    "format": "double",
-    "type": "number"
-  },
-  "lon": {
-    "description": "Longitude in decimal degrees (−180 to 180).",
-    "format": "double",
-    "type": "number"
-  }
-}

removedInput schema / $defs / LatLon / required
```
Removed value: -[
-  "lat",
-  "lon"
-]
```
removedInput schema / $defs / LatLon / type
```
Removed value: -"object"
```

addedOutput schema / $defs / LatLon / anyOf

Added value: +[
+  {
+    "properties": {
+      "lat": {
+        "description": "Latitude in decimal degrees (−90 to 90).",
+        "format": "double",
+        "type": "number"
+      },
+      "lon": {
+        "description": "Longitude in decimal degrees (−180 to 180).",
+        "format": "double",
+        "type": "number"
+      }
+    },
+    "required": [
+      "lat",
+      "lon"
+    ],
+    "type": "object"
+  },
+  {
+    "description": "GeoJSON position [lon, lat]: longitude FIRST.",
+    "items": {
+      "format": "double",
+      "type": "number"
+    },
+    "maxItems": 2,
+    "minItems": 2,
+    "type": "array"
+  }
+]

changedOutput schema / $defs / LatLon / description

Previous value: -"A WGS84 coordinate pair in decimal degrees."New value: +"A WGS84 coordinate in decimal degrees: a {lat, lon} object (preferred), or a GeoJSON [lon, lat] array with LONGITUDE FIRST, the same order as every polygon field on this server."

removedOutput schema / $defs / LatLon / properties

Removed value: -{
-  "lat": {
-    "description": "Latitude in decimal degrees (−90 to 90).",
-    "format": "double",
-    "type": "number"
-  },
-  "lon": {
-    "description": "Longitude in decimal degrees (−180 to 180).",
-    "format": "double",
-    "type": "number"
-  }
-}

removedOutput schema / $defs / LatLon / required
```
Removed value: -[
-  "lat",
-  "lon"
-]
```
removedOutput schema / $defs / LatLon / type
```
Removed value: -"object"
```

First observedSep 1, 2026

TDQS

A3.9/5.0

Behavior4/5

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

With no annotations, the description carries the disclosure burden. It clearly discloses the output shape (ordered stops, arrival offsets, total duration/distance), round-trip behavior, and truck/costing semantics. It does not discuss error or failure behavior, but no hidden side effects or contradictions are left ambiguous.

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?

Four sentences with the purpose front-loaded; every sentence adds required information about inputs, optional modes, costing, and output. There is no filler or redundant restating of the tool name.

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?

The description, combined with the detailed input schema and output schema, covers required and optional parameters, costing, truck profile, and return values. Nothing an agent needs to invoke this tool correctly is missing, and any remaining details live in the schema.

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 the schema already documents every parameter, including LatLon, OrderStopSpec, TruckSpec, and the end/round_trip mutual exclusivity. The description adds only shorthand notation and costing glosses, so it stays at the baseline 3.

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 a specific operation ('Put a single run's stops in the best visiting order') and a concrete resource (stops with start/end). It is clear, but it does not explicitly differentiate from siblings like plan_errands or optimise_routes, so an agent must infer the scope from the phrase 'single run'.

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?

It communicates the single-run errand context and explains costing choices, but it never states when to prefer this tool over route, optimise_routes, or plan_errands, nor when not to use it. Usage guidance is therefore implied rather than explicit.

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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