FreightUtils MCP Server

Airline / AWB Prefix Lookup

airline_lookup

Read-onlyIdempotent

Search 6,356 airlines by name, IATA code, ICAO code, AWB prefix, or country. AWB prefixes are the first 3 digits of an air waybill number and identify the issuing carrier (e.g. 176 = Emirates).

Provide ONE parameter: query is a ranked fuzzy search across names and codes; iata / icao / prefix / country are exact filters.

Behavior: read-only; fuzzy query hits report their match quality through the envelope's confidence (basis match_quality, score 0-1) with a FUZZY_BEST_MATCH advisory naming the matched field; a query that contains no name falls back to the closest names in the dataset ("Emirats" → Emirates). A query or country answer is a list: summary rows, 25 per page, with total, truncated and next_offset (full: true for full records); an iata / icao / prefix answer is the holder records in full. Rate-limited: a limit error carries reset_at, the UTC time the allowance resets.

Returns: count and results[] — per airline: airline_name, iata_code, icao_code, awb_prefix[], callsign, country, has_cargo and verification fields (aliases and sources in full records) — under result, plus confidence, _source and citation (the FreightUtils v1 response envelope).

Limitations: this dataset's provenance is pending independent verification (the envelope's provenance_status says so) — confirm operationally critical codes with IATA/ICAO or the carrier.

Related: airport_lookup (searches AIRPORTS, not carriers), validate (checks an AWB number's check digit and names its airline from this dataset when one record holds the prefix, otherwise lists the candidates).

Input Schema

TableJSON Schema

Name	Required	Description
`full`	No	Lists only: true returns full records (provenance, sources, rationale) instead of summary rows. A single-record call always returns the full record.
`iata`	No	Exact IATA code (2 alphanumeric chars)
`icao`	No	Exact ICAO code (3 letters)
`limit`	No	Lists only: rows per page (default: every row for summaries; 5 with full: true).
`query`	No	General search (name, code, prefix or country — min 2 chars)
`offset`	No	Lists only: rows to skip (default 0). The response gives total and next_offset.
`prefix`	No	AWB prefix (3 digits)
`country`	No	Filter by country name (min 2 chars)

Output Schema

TableJSON Schema

Name	Required	Description	Default
`ok`	Yes
`result`	Yes
`_source`	Yes
`citation`	Yes
`validity`	No
`warnings`	No
`confidence`	Yes
`blocking_errors`	No
`envelope_version`	Yes
`normalized_input`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 8, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```

Changed3 schema fields changedOct 8, 2026

addedInput schema / properties / full

Added value: +{
+  "description": "Lists only: true returns full records (provenance, sources, rationale) instead of summary rows. A single-record call always returns the full record.",
+  "type": "boolean"
+}

addedInput schema / properties / limit

Added value: +{
+  "description": "Lists only: rows per page (default: every row for summaries; 5 with full: true).",
+  "maximum": 100,
+  "minimum": 1,
+  "type": "integer"
+}

addedInput schema / properties / offset

Added value: +{
+  "description": "Lists only: rows to skip (default 0). The response gives total and next_offset.",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}

Changed5 schema fields changedAug 11, 2026
- addedOutput schema / properties / _source / properties / authority_current_edition
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / properties / _source / properties / checked_at
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / properties / _source / properties / dataset_edition
```
Added value: +{
+  "type": "string"
+}
```
- removedOutput schema / properties / envelope_version / const
```
Removed value: -"1"
```
- addedOutput schema / properties / envelope_version / enum
```
Added value: +[
+  "1",
+  "1.1"
+]
```

Changed1 schema field changedJul 9, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "_source": {
+      "additionalProperties": false,
+      "properties": {
+        "checked": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "provenance_status": {
+          "enum": [
+            "verified",
+            "pending-verification",
+            "computed",
+            "live"
+          ],
+          "type": "string"
+        },
+        "source_url": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "checked",
+        "provenance_status"
+      ],
+      "type": "object"
+    },
+    "blocking_errors": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          },
+          "recovery": {
+            "additionalProperties": false,
+            "properties": {
+              "action": {
+                "type": "string"
+              },
+              "params": {
+                "additionalProperties": {},
+                "propertyNames": {
+                  "type": "string"
+                },
+                "type": "object"
+              },
+              "tool": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "action"
+            ],
+            "type": "object"
+          }
+        },
+        "required": [
+          "code",
+          "message",
+          "recovery"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "citation": {
+      "additionalProperties": false,
+      "properties": {
+        "qualifier": {
+          "type": "string"
+        },
+        "text": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "text"
+      ],
+      "type": "object"
+    },
+    "confidence": {
+      "additionalProperties": false,
+      "properties": {
+        "basis": {
+          "enum": [
+            "deterministic",
+            "provenance",
+            "match_quality",
+            "freshness"
+          ],
+          "type": "string"
+        },
+        "level": {
+          "enum": [
+            "high",
+            "medium",
+            "low"
+          ],
+          "type": "string"
+        },
+        "score": {
+          "maximum": 1,
+          "minimum": 0,
+          "type": "number"
+        }
+      },
+      "required": [
+        "level",
+        "basis"
+      ],
+      "type": "object"
+    },
+    "envelope_version": {
+      "const": "1",
+      "type": "string"
+    },
+    "normalized_input": {
+      "additionalProperties": {},
+      "propertyNames": {
+        "type": "string"
+      },
+      "type": "object"
+    },
+    "ok": {
+      "type": "boolean"
+    },
+    "result": {
+      "additionalProperties": {},
+      "propertyNames": {
+        "type": "string"
+      },
+      "type": "object"
+    },
+    "validity": {
+      "additionalProperties": false,
+      "properties": {
+        "as_of": {
+          "type": "string"
+        },
+        "effective_from": {
+          "type": "string"
+        },
+        "effective_to": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "required": [
+        "as_of"
+      ],
+      "type": "object"
+    },
+    "warnings": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "details": {
+            "additionalProperties": {},
+            "propertyNames": {
+              "type": "string"
+            },
+            "type": "object"
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "envelope_version",
+    "ok",
+    "result",
+    "confidence",
+    "_source",
+    "citation"
+  ],
+  "type": "object"
+}

Changed9 schema fields changedJun 19, 2026

changedInput schema / properties / country / description

Previous value: -"Filter by country"New value: +"Filter by country name (min 2 chars)"

addedInput schema / properties / country / minLength
```
Added value: +2
```

changedInput schema / properties / iata / description

Previous value: -"Exact IATA code (2 chars)"New value: +"Exact IATA code (2 alphanumeric chars)"

addedInput schema / properties / iata / pattern
```
Added value: +"^[A-Za-z0-9]{2}$"
```

changedInput schema / properties / icao / description

Previous value: -"Exact ICAO code (3 chars)"New value: +"Exact ICAO code (3 letters)"

addedInput schema / properties / icao / pattern
```
Added value: +"^[A-Za-z]{3}$"
```
addedInput schema / properties / prefix / pattern
```
Added value: +"^\\d{3}$"
```

changedInput schema / properties / query / description

Previous value: -"General search"New value: +"General search (name, code, prefix or country — min 2 chars)"

addedInput schema / properties / query / minLength
```
Added value: +2
```

First observedApr 23, 2026

TDQS

Score is being calculated.

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