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Custom Blinds Shop

by io.github.CustomBlinds
OverviewDiscussionsAdmin

get_checkout

Read-only

Read checkout by checkout_id. Returns persisted order status, payment_status, payment_method, items, customer, total_zar and currency. Initial order status is started, not pending. This tool does not return a previously generated payment_url: retain the complete_checkout response in caller context.

Input Schema

NameRequiredDescriptionDefault
checkout_idYescheckout_id returned by create_checkout.

Output Schema

NameRequiredDescriptionDefault
ap2No
itemsNo
statusYes
messageNo
currencyYes
customerNo
next_stepNo
total_zarYes
item_countNo
checkout_idYes
payment_urlNo
payment_methodNo
provider_referenceNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / checkout_id / description
      Added value: +"checkout_id returned by create_checkout."
  2. Changed3 schema fields changed
    • removedOutput schema / properties / created_at
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "null"
-    }
-  ]
-}
    • changedOutput schema / properties / items / anyOf
      Previous value: -[
-  {
-    "items": {
-      "additionalProperties": true,
-      "properties": {
-        "colour": {
-          "type": "string"
-        },
-        "finish": {
-          "anyOf": [
-            {
-              "type": "string"
-            },
-            {
-              "type": "null"
-            }
-          ]
-        },
-        "height": {
-          "type": "number"
-        },
-        "mountType": {
-          "type": "string"
-        },
-        "price": {
-          "type": "number"
-        },
-        "productId": {
-          "type": "string"
-        },
-        "productName": {
-          "type": "string"
-        },
-        "quantity": {
-          "type": "number"
-        },
-        "total": {
-          "type": "number"
-        },
-        "width": {
-          "type": "number"
-        }
-      },
-      "required": [],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "additionalProperties": true,
+      "properties": {
+        "colour": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "drop_mm": {
+          "type": "number"
+        },
+        "mount_type": {
+          "type": "string"
+        },
+        "product_name": {
+          "type": "string"
+        },
+        "product_slug": {
+          "type": "string"
+        },
+        "quantity": {
+          "type": "number"
+        },
+        "total_price": {
+          "type": "number"
+        },
+        "unit_price": {
+          "type": "number"
+        },
+        "width_mm": {
+          "type": "number"
+        }
+      },
+      "required": [],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]
    • removedOutput schema / properties / payment_status
      Removed value: -{
-  "anyOf": [
-    {
-      "type": "string"
-    },
-    {
-      "type": "null"
-    }
-  ]
-}
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "properties": {
+    "ap2": {
+      "additionalProperties": true,
+      "properties": {
+        "merchant_authorization": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "merchant_authorization"
+      ],
+      "type": "object"
+    },
+    "checkout_id": {
+      "type": "string"
+    },
+    "created_at": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "currency": {
+      "const": "ZAR",
+      "type": "string"
+    },
+    "customer": {
+      "additionalProperties": true,
+      "properties": {
+        "address": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "city": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "email": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "phone": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "required": [],
+      "type": "object"
+    },
+    "item_count": {
+      "type": "number"
+    },
+    "items": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": true,
+            "properties": {
+              "colour": {
+                "type": "string"
+              },
+              "finish": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "height": {
+                "type": "number"
+              },
+              "mountType": {
+                "type": "string"
+              },
+              "price": {
+                "type": "number"
+              },
+              "productId": {
+                "type": "string"
+              },
+              "productName": {
+                "type": "string"
+              },
+              "quantity": {
+                "type": "number"
+              },
+              "total": {
+                "type": "number"
+              },
+              "width": {
+                "type": "number"
+              }
+            },
+            "required": [],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "message": {
+      "type": "string"
+    },
+    "next_step": {
+      "type": "string"
+    },
+    "payment_method": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "payment_status": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "payment_url": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "provider_reference": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "status": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "total_zar": {
+      "type": "number"
+    }
+  },
+  "required": [
+    "checkout_id",
+    "status",
+    "total_zar",
+    "currency"
+  ],
+  "type": "object"
+}
  4. First observed

TDQS

A4.5/5.0
Behavior5/5

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

The description adds important behavior beyond the readOnlyHint annotation: it discloses the exact returned fields, clarifies that initial order status is 'started' rather than 'pending', and warns that payment_url is not retrievable here and must be retained from complete_checkout. These details materially affect how an agent uses the response.

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?

The description is three tight sentences, front-loaded with the purpose followed by the return contents and two operational caveats. No sentence is wasted, and the important constraints appear before the caller would need to reason about them.

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 simple read tool with an output schema and readOnlyHint annotation, the description supplies the remaining behavioral context an agent needs: returned fields, initial status semantics, and the payment_url retention caveat. Nothing essential for correct invocation 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 the single checkout_id parameter is fully documented in the schema as coming from create_checkout. The description repeats that it reads by checkout_id but adds no further syntax or format meaning beyond the schema, so baseline 3 is appropriate.

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 states a specific verb and resource: read a checkout by checkout_id. It goes beyond the name by specifying the return payload and distinguishing checkout semantics from order/cart semantics, so an agent can identify the tool's purpose without ambiguity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

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

The description gives clear context for using the tool, including the required checkout_id and the caveat that payment_url is not returned, implying the caller should retain the complete_checkout response. It does not explicitly name alternatives such as get_order or get_cart, so it falls short of a full usage-guidance score.

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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