EximAgent

Save a trade corridor

exim__corridor__save

Saves an exporter-importer-HS code lane as a named corridor for reuse; optionally starred with a default currency and Incoterm.

Input Schema

Name	Required	Description
`name`	Yes	Corridor name or id (kebab-case, e.g. fr-de-widgets). Discover via `corridor list`.
`star`	No	Star this corridor (surfaces as starter chip)
`hsCode`	No	HS code for this corridor (optional — anchor later via update)
`baseVersion`	No	The loaded version; if it changed, the save is refused with the current value.
`defaultCurrency`	No	ISO 4217 currency (e.g. 'USD')
`defaultIncoterm`	No	Default Incoterm (e.g. 'FOB', 'CIF')
`exporterCountry`	Yes	Sending country — accepts country name, ISO2, ISO3 (e.g. "Viet Nam", "VN", "VNM")
`importerCountry`	Yes	Receiving country — accepts country name, ISO2, ISO3 (e.g. "Germany", "DE", "DEU")

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.

Changed18 schema fields changedOct 13, 2026

removedInput schema / properties / --baseVersion

Removed value: -{
-  "description": "The loaded version; if it changed, the save is refused with the current value.",
-  "type": "string"
-}

removedInput schema / properties / --defaultCurrency

Removed value: -{
-  "description": "ISO 4217 currency (e.g. 'USD')",
-  "type": "string"
-}

removedInput schema / properties / --defaultIncoterm

Removed value: -{
-  "description": "Default Incoterm (e.g. 'FOB', 'CIF')",
-  "type": "string"
-}

removedInput schema / properties / --exporterCountry

Removed value: -{
-  "description": "Sending country — accepts country name, ISO2, ISO3 (e.g. \"Viet Nam\", \"VN\", \"VNM\")",
-  "type": "string"
-}

removedInput schema / properties / --hsCode

Removed value: -{
-  "description": "HS code for this corridor (optional — anchor later via update)",
-  "type": "string"
-}

removedInput schema / properties / --importerCountry

Removed value: -{
-  "description": "Receiving country — accepts country name, ISO2, ISO3 (e.g. \"Germany\", \"DE\", \"DEU\")",
-  "type": "string"
-}

removedInput schema / properties / --name

Removed value: -{
-  "description": "Corridor name or id (kebab-case, e.g. fr-de-widgets). Discover via `corridor list`.",
-  "type": "string"
-}

removedInput schema / properties / --star

Removed value: -{
-  "description": "Star this corridor (surfaces as starter chip)",
-  "type": "boolean"
-}

addedInput schema / properties / baseVersion

Added value: +{
+  "description": "The loaded version; if it changed, the save is refused with the current value.",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / defaultCurrency

Added value: +{
+  "description": "ISO 4217 currency (e.g. 'USD')",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / defaultIncoterm

Added value: +{
+  "description": "Default Incoterm (e.g. 'FOB', 'CIF')",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / exporterCountry

Added value: +{
+  "description": "Sending country — accepts country name, ISO2, ISO3 (e.g. \"Viet Nam\", \"VN\", \"VNM\")",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / hsCode

Added value: +{
+  "description": "HS code for this corridor (optional — anchor later via update)",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / importerCountry

Added value: +{
+  "description": "Receiving country — accepts country name, ISO2, ISO3 (e.g. \"Germany\", \"DE\", \"DEU\")",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / name

Added value: +{
+  "description": "Corridor name or id (kebab-case, e.g. fr-de-widgets). Discover via `corridor list`.",
+  "maxLength": 8000,
+  "type": "string"
+}

addedInput schema / properties / star

Added value: +{
+  "description": "Star this corridor (surfaces as starter chip)",
+  "type": "boolean"
+}

changedInput schema / required

Previous value: -[
-  "--exporterCountry",
-  "--importerCountry",
-  "--name"
-]New value: +[
+  "exporterCountry",
+  "importerCountry",
+  "name"
+]

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$defs": {
+    "value0": {
+      "additionalProperties": false,
+      "properties": {
+        "id": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "version": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "id",
+        "name",
+        "version"
+      ],
+      "type": "object"
+    },
+    "value1": {
+      "anyOf": [
+        {
+          "items": {
+            "type": [
+              "null",
+              "boolean",
+              "number",
+              "string",
+              "array",
+              "object"
+            ]
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "value2": {
+      "anyOf": [
+        {
+          "items": {
+            "$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 readOnlyHint=false, idempotentHint=false and destructiveHint=false, so the safety profile is covered. The description adds the composition of the corridor and the optional starring/currency/Incoterm behavior, but says nothing about the baseVersion conflict handling, auth needs, or what a repeat save does beyond the annotation hint.

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?

A single, front-loaded sentence that leads with the action and resource before the optional modifiers. Dense but free of filler, though the 'optionally starred with a default currency and Incoterm' clause packs several concepts tightly.

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?

An output schema exists, so return values need not be explained, and the 100%-covered schema carries parameter detail. For a mutation tool whose annotations already state the safety profile, the description is nearly complete, missing only when to prefer this over get/list or update.

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 all eight parameters are already documented in the schema, including the baseVersion optimistic-concurrency semantics. The description only restates the optional star/currency/Incoterm fields, adding no syntax or format detail beyond the schema.

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 (Saves) and resource (corridor), and defines what a corridor is composed of (exporter-importer-HS code lane) plus optional attributes. This is clearly distinguishable from the read-only siblings corridor__get and corridor__list, though neither is named.

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?

The phrase 'for reuse' implies the motivation to persist a lane, but there is no explicit when-to-use, when-not-to-use, or named alternative (e.g. corridor list/get or update). Usage is left largely to inference.

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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