Jet Tracker

Market listings for a model

jt_market_listings

Read-onlyIdempotent

For-sale listings of a catalog model (slug or alias, whole family) tracked by Jet Tracker: total and active count, priceStats (n, min, median, max) over active priced listings, and a sample with portal, listing URL, country/region, first and last seen and effectiveStatus (active, stale = not re-seen for 30+ days, expired = 60+ days). Listings the source portal marks as sale suspended are NOT active: they are left out of activeCount, priceStats and the sample and reported in suspendedCount (the seller withdrew the offer; it is not a sale). Prices as advertised by portals, not appraisals. Optional spec_filters (engine_program, no_damage_history, wifi, max_engine_hours, avionics, year_min) filter by the listing spec sheet, i.e. what the seller DECLARED in the ad, not verified by Jet Tracker: the result gains spec_matches (matching listings, cheapest first) plus withSpecsCount, the number of listings of the model that carry a spec sheet. A criterion only matches when the ad states it, so an empty spec_matches with a low withSpecsCount means unknown, not none.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`slug`	Yes	Slug do modelo (ex: embraer-phenom-300).
`spec_filters`	No	Filtros pela FICHA TÉCNICA do anúncio (o que o anunciante declarou). Opcional. Quando presente, a resposta ganha `spec_matches` com os anúncios que afirmam os critérios; anúncio que não informa fica de fora, então leia `withSpecsCount` antes de dizer "não há nenhum".

Output Schema

TableJSON Schema

Name	Required	Description
`code`	No	Machine-readable error code (INTERNAL, TIMEOUT, INVALID_ARGUMENT, NOT_FOUND, TOOL_FAILED, ACCOUNT_KEY_REQUIRED).
`_meta`	No
`error`	No
`found`	No
`gated`	No
`requestId`	No
`retryable`	No
`quota_exceeded`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 9, 2026

addedInput schema / properties / spec_filters

Added value: +{
+  "description": "Filtros pela FICHA TÉCNICA do anúncio (o que o anunciante declarou). Opcional. Quando presente, a resposta ganha `spec_matches` com os anúncios que afirmam os critérios; anúncio que não informa fica de fora, então leia `withSpecsCount` antes de dizer \"não há nenhum\".",
+  "properties": {
+    "avionics": {
+      "description": "Trecho da suíte de aviônicos (ex: \"G1000\", \"Pro Line 21\").",
+      "maxLength": 40,
+      "minLength": 2,
+      "type": "string"
+    },
+    "engine_program": {
+      "description": "true = só anúncio que declara motor em programa (JSSI, ESP, MSP, TAP...).",
+      "type": "boolean"
+    },
+    "max_engine_hours": {
+      "description": "Teto de horas do motor mais rodado (desde a revisão geral quando informado, senão desde novo).",
+      "exclusiveMinimum": 0,
+      "maximum": 30000,
+      "type": "integer"
+    },
+    "no_damage_history": {
+      "description": "true = só anúncio que declara não ter histórico de dano.",
+      "type": "boolean"
+    },
+    "wifi": {
+      "description": "true = só anúncio que declara conectividade de cabine.",
+      "type": "boolean"
+    },
+    "year_min": {
+      "description": "Ano de fabricação mínimo.",
+      "maximum": 2100,
+      "minimum": 1950,
+      "type": "integer"
+    }
+  },
+  "type": "object"
+}

Changed1 schema field changedSep 28, 2026

changedOutput schema / properties / _meta / required

Previous value: -[
-  "tool",
-  "tier",
-  "source",
-  "asOf",
-  "gated",
-  "via"
-]New value: +[
+  "tool",
+  "source",
+  "asOf",
+  "gated",
+  "via"
+]

Changed8 schema fields changedSep 16, 2026

addedOutput schema / properties / _meta / properties / asOf / description
```
Added value: +"Alias of sourceUpdatedAt (kept for compatibility)."
```

addedOutput schema / properties / _meta / properties / generatedAt

Added value: +{
+  "description": "When this response was produced (ISO 8601).",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / observedAt

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Last event actually observed in the data returned (last flight, last arrival, last listing sighting)."
+}

addedOutput schema / properties / _meta / properties / sourceUpdatedAt

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Last sync of the underlying source (RAB snapshot, registry import, listing scan). Never in the future."
+}

addedOutput schema / properties / _meta / properties / validUntil

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Expiry of the fact returned, when it has one (CVA validity, period end)."
+}

addedOutput schema / properties / code

Added value: +{
+  "description": "Machine-readable error code (INTERNAL, TIMEOUT, INVALID_ARGUMENT, NOT_FOUND, TOOL_FAILED, ACCOUNT_KEY_REQUIRED).",
+  "type": "string"
+}

addedOutput schema / properties / requestId
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / retryable
```
Added value: +{
+  "type": "boolean"
+}
```

First observedSep 11, 2026

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