EximAgent

Monthly price-per-kg trend

exim__shipments__price-trend

Read-onlyIdempotent

Returns the monthly price per kg for an HS code with dispersion and concentration shifts, filterable by origin, destination and date range. Use it to benchmark pricing.

Input Schema

Name	Required	Description
`to`	No	Latest month, YYYY-MM.
`from`	No	Earliest month, YYYY-MM.
`hsCode`	No	HS code at 2, 4 or 6 digits; shorter codes match the whole family (0901 = all coffee). Do not pad with zeros (090100 matches nothing).
`source`	No	dataset source filter
`originCountry`	No	Origin (exporting) country, ISO2 code (e.g. VN).
`destinationCountry`	No	Destination (importing) country, ISO2 code (e.g. US, DE).

Output Schema

Name	Required	Description	Default
`data`	Yes
`stats`	No
`_debug`	No
`summary`	Yes
`warnings`	No
`nextActions`	Yes
`correlationId`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed9 schema fields changedOct 14, 2026

changedInput schema / not / anyOf

Previous value: -[
-  {
-    "not": {
-      "anyOf": [
-        {
-          "properties": {
-            "hs6": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "hs6"
-          ]
-        },
-        {
-          "properties": {
-            "dest": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "dest"
-          ]
-        }
-      ]
-    }
-  }
-]New value: +[
+  {
+    "not": {
+      "anyOf": [
+        {
+          "properties": {
+            "hsCode": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "hsCode"
+          ]
+        },
+        {
+          "properties": {
+            "destinationCountry": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "destinationCountry"
+          ]
+        }
+      ]
+    }
+  }
+]

removedInput schema / properties / dest

Removed value: -{
-  "description": "destination country (ISO 2) filter",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / destinationCountry

Added value: +{
+  "description": "Destination (importing) country, ISO2 code (e.g. US, DE).",
+  "maxLength": 8000,
+  "type": "string"
+}

changedInput schema / properties / from / description

Previous value: -"earliest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"New value: +"Earliest month, YYYY-MM."

removedInput schema / properties / hs6

Removed value: -{
-  "description": "HS code at ANY granularity — 2/4/6-digit; a shorter code is a broader family (e.g. 0901 = all coffee). Do NOT pad to 6 digits: 090100 matches nothing.",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / hsCode

Added value: +{
+  "description": "HS code at 2, 4 or 6 digits; shorter codes match the whole family (0901 = all coffee). Do not pad with zeros (090100 matches nothing).",
+  "maxLength": 8000,
+  "type": "string"
+}

removedInput schema / properties / origin

Removed value: -{
-  "description": "origin country (ISO 2) filter",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / originCountry

Added value: +{
+  "description": "Origin (exporting) country, ISO2 code (e.g. VN).",
+  "maxLength": 8000,
+  "type": "string"
+}

changedInput schema / properties / to / description

Previous value: -"latest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"New value: +"Latest month, YYYY-MM."

Changed9 schema fields changedOct 14, 2026

changedInput schema / not / anyOf

Previous value: -[
-  {
-    "not": {
-      "anyOf": [
-        {
-          "properties": {
-            "hsCode": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "hsCode"
-          ]
-        },
-        {
-          "properties": {
-            "destinationCountry": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "destinationCountry"
-          ]
-        }
-      ]
-    }
-  }
-]New value: +[
+  {
+    "not": {
+      "anyOf": [
+        {
+          "properties": {
+            "hs6": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "hs6"
+          ]
+        },
+        {
+          "properties": {
+            "dest": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "dest"
+          ]
+        }
+      ]
+    }
+  }
+]

addedInput schema / properties / dest

Added value: +{
+  "description": "destination country (ISO 2) filter",
+  "maxLength": 8000,
+  "type": "string"
+}

removedInput schema / properties / destinationCountry

Removed value: -{
-  "description": "Destination (importing) country, ISO2 code (e.g. US, DE).",
-  "maxLength": 8000,
-  "type": "string"
-}

changedInput schema / properties / from / description

Previous value: -"Earliest month, YYYY-MM."New value: +"earliest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"

addedInput schema / properties / hs6

Added value: +{
+  "description": "HS code at ANY granularity — 2/4/6-digit; a shorter code is a broader family (e.g. 0901 = all coffee). Do NOT pad to 6 digits: 090100 matches nothing.",
+  "maxLength": 8000,
+  "type": "string"
+}

removedInput schema / properties / hsCode

Removed value: -{
-  "description": "HS code at 2, 4 or 6 digits; shorter codes match the whole family (0901 = all coffee). Do not pad with zeros (090100 matches nothing).",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / origin

Added value: +{
+  "description": "origin country (ISO 2) filter",
+  "maxLength": 8000,
+  "type": "string"
+}

removedInput schema / properties / originCountry

Removed value: -{
-  "description": "Origin (exporting) country, ISO2 code (e.g. VN).",
-  "maxLength": 8000,
-  "type": "string"
-}

changedInput schema / properties / to / description

Previous value: -"Latest month, YYYY-MM."New value: +"latest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"

Changed9 schema fields changedOct 14, 2026

changedInput schema / not / anyOf

Previous value: -[
-  {
-    "not": {
-      "anyOf": [
-        {
-          "properties": {
-            "hs6": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "hs6"
-          ]
-        },
-        {
-          "properties": {
-            "dest": {
-              "minLength": 1,
-              "type": "string"
-            }
-          },
-          "required": [
-            "dest"
-          ]
-        }
-      ]
-    }
-  }
-]New value: +[
+  {
+    "not": {
+      "anyOf": [
+        {
+          "properties": {
+            "hsCode": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "hsCode"
+          ]
+        },
+        {
+          "properties": {
+            "destinationCountry": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "destinationCountry"
+          ]
+        }
+      ]
+    }
+  }
+]

removedInput schema / properties / dest

Removed value: -{
-  "description": "destination country (ISO 2) filter",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / destinationCountry

Added value: +{
+  "description": "Destination (importing) country, ISO2 code (e.g. US, DE).",
+  "maxLength": 8000,
+  "type": "string"
+}

changedInput schema / properties / from / description

Previous value: -"earliest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"New value: +"Earliest month, YYYY-MM."

removedInput schema / properties / hs6

Removed value: -{
-  "description": "HS code at ANY granularity — 2/4/6-digit; a shorter code is a broader family (e.g. 0901 = all coffee). Do NOT pad to 6 digits: 090100 matches nothing.",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / hsCode

Added value: +{
+  "description": "HS code at 2, 4 or 6 digits; shorter codes match the whole family (0901 = all coffee). Do not pad with zeros (090100 matches nothing).",
+  "maxLength": 8000,
+  "type": "string"
+}

removedInput schema / properties / origin

Removed value: -{
-  "description": "origin country (ISO 2) filter",
-  "maxLength": 8000,
-  "type": "string"
-}

addedInput schema / properties / originCountry

Added value: +{
+  "description": "Origin (exporting) country, ISO2 code (e.g. VN).",
+  "maxLength": 8000,
+  "type": "string"
+}

changedInput schema / properties / to / description

Previous value: -"latest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)"New value: +"Latest month, YYYY-MM."

Changed14 schema fields changedOct 13, 2026

addedInput schema / not

Added value: +{
+  "anyOf": [
+    {
+      "not": {
+        "anyOf": [
+          {
+            "properties": {
+              "hs6": {
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "hs6"
+            ]
+          },
+          {
+            "properties": {
+              "dest": {
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "dest"
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}

removedInput schema / properties / --dest

Removed value: -{
-  "description": "destination country (ISO 2) filter",
-  "type": "string"
-}

removedInput schema / properties / --from

Removed value: -{
-  "description": "earliest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)",
-  "pattern": "^[0-9]{4}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[01]))?)?$",
-  "type": "string"
-}

removedInput schema / properties / --hs6

Removed value: -{
-  "description": "HS code at ANY granularity — 2/4/6-digit; a shorter code is a broader family (e.g. 0901 = all coffee). Do NOT pad to 6 digits: 090100 matches nothing.",
-  "type": "string"
-}

removedInput schema / properties / --origin

Removed value: -{
-  "description": "origin country (ISO 2) filter",
-  "type": "string"
-}

removedInput schema / properties / --source

Removed value: -{
-  "description": "dataset source filter",
-  "type": "string"
-}

removedInput schema / properties / --to

Removed value: -{
-  "description": "latest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)",
-  "pattern": "^[0-9]{4}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[01]))?)?$",
-  "type": "string"
-}

addedInput schema / properties / dest

Added value: +{
+  "description": "destination country (ISO 2) filter",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / from

Added value: +{
+  "description": "earliest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)",
+  "maxLength": 8000,
+  "pattern": "^[0-9]{4}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[01]))?)?$",
+  "type": "string"
+}

addedInput schema / properties / hs6

Added value: +{
+  "description": "HS code at ANY granularity — 2/4/6-digit; a shorter code is a broader family (e.g. 0901 = all coffee). Do NOT pad to 6 digits: 090100 matches nothing.",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / origin

Added value: +{
+  "description": "origin country (ISO 2) filter",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / source

Added value: +{
+  "description": "dataset source filter",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / to

Added value: +{
+  "description": "latest month (YYYY-MM; YYYY or YYYY-MM-DD also accepted)",
+  "maxLength": 8000,
+  "pattern": "^[0-9]{4}(-(0[1-9]|1[0-2])(-(0[1-9]|[12][0-9]|3[01]))?)?$",
+  "type": "string"
+}

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "value0": {
+      "additionalProperties": false,
+      "properties": {
+        "avgPricePerKg": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "medianPricePerKg": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "month": {
+          "type": "string"
+        },
+        "monthOverMonthPriceChange": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "monthlyConcentrationShift": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "p25PricePerKg": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "p75PricePerKg": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "shipmentCount": {
+          "type": "integer"
+        },
+        "stddevPricePerKg": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "totalWeightKg": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "avgPricePerKg",
+        "medianPricePerKg",
+        "month",
+        "monthOverMonthPriceChange",
+        "monthlyConcentrationShift",
+        "p25PricePerKg",
+        "p75PricePerKg",
+        "shipmentCount",
+        "stddevPricePerKg",
+        "totalWeightKg"
+      ],
+      "type": "object"
+    },
+    "value1": {
+      "anyOf": [
+        {
+          "items": {
+            "type": [
+              "null",
+              "boolean",
+              "number",
+              "string",
+              "array",
+              "object"
+            ]
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "value2": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/value3"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "value3": {
+      "additionalProperties": false,
+      "properties": {
+        "command": {
+          "type": "string"
+        },
+        "cost": {
+          "type": "string"
+        },
+        "label": {
+          "type": "string"
+        },
+        "rationale": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "command",
+        "cost",
+        "label",
+        "rationale"
+      ],
+      "type": "object"
+    },
+    "value4": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "type": "number"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "value5": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/value6"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "value6": {
+      "additionalProperties": false,
+      "properties": {
+        "code": {
+          "type": "string"
+        },
+        "message": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "code",
+        "message"
+      ],
+      "type": "object"
+    },
+    "value7": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "type": [
+              "null",
+              "boolean",
+              "number",
+              "string",
+              "array",
+              "object"
+            ]
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    }
+  },
+  "additionalProperties": false,
+  "properties": {
+    "_debug": {
+      "$ref": "#/$defs/value7"
+    },
+    "correlationId": {
+      "type": "string"
+    },
+    "data": {
+      "additionalProperties": false,
+      "properties": {
+        "context": {
+          "type": [
+            "null",
+            "boolean",
+            "number",
+            "string",
+            "array",
+            "object"
+          ]
+        },
+        "cursor": {
+          "type": "string"
+        },
+        "has_more": {
+          "type": "boolean"
+        },
+        "items": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/value0"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "required": [
+        "context",
+        "has_more",
+        "items"
+      ],
+      "type": "object"
+    },
+    "nextActions": {
+      "$ref": "#/$defs/value2"
+    },
+    "stats": {
+      "$ref": "#/$defs/value4"
+    },
+    "summary": {
+      "type": "string"
+    },
+    "warnings": {
+      "$ref": "#/$defs/value5"
+    }
+  },
+  "required": [
+    "data",
+    "nextActions",
+    "summary"
+  ],
+  "type": "object"
+}

First observedOct 9, 2026

TDQS

A3.5/5.0

Behavior3/5

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

Annotations already declare read-only, idempotent, non-destructive behavior, so the safety profile is covered. The description adds the notion of dispersion and concentration shifts as output characteristics, which is useful. It does not disclose the shape of the trend series or how sparse data is handled, but with an output schema present the gap is modest.

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?

Two tight sentences with the metric and filters front-loaded and no filler. Slightly more could be earned by clarifying the required-one-of constraint, but nothing is wasted.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With annotations covering safety, an output schema handling return values, and full schema coverage of parameters, the description is nearly sufficient. The minor gap is that it never mentions the anyOf constraint requiring hsCode or destinationCountry, nor the source filter.

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%, so the schema already documents all six parameters (including HS-code padding rules and ISO2 codes). The description only restates origin/destination/date filtering and omits the source parameter entirely, adding little beyond the schema. Baseline 3 applies.

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?

States a specific verb and resource: returns monthly price per kg for an HS code, with dispersion and concentration shifts. The metric and grouping are clear. It does not, however, differentiate itself from near-siblings like exim__market__trend or exim__price__shipments, which an agent browsing the catalog may confuse it with.

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?

'Use it to benchmark pricing' gives a purpose but no explicit when-not or named alternative, even though the sibling list contains several pricing/trend tools that overlap. Usage is implied rather than routed.

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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Monthly price-per-kg trend

Input Schema

Output Schema

Schema Changelog

TDQS

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