Trillboards DOOH Advertising

sync_creatives

[AdCP Media Buy] Validate and sync creative assets for a media buy.

Validates creative assets (resolution, duration, format) against screen specifications. Returns compatibility status for each screen in the campaign.

WHEN TO USE:

Submitting creative assets before campaign launch
Checking if a creative meets screen requirements
Validating VAST tags

EXAMPLE: sync_creatives({ media_buy_id: "mbuy_abc123", creatives: [{ url: "https://cdn.example.com/ad.mp4", type: "video", width: 1920, height: 1080, duration_seconds: 15, file_size_mb: 12 }] })

Input Schema

TableJSON Schema

Name	Required	Description
`ext`	No
`account`	No
`context`	No
`dry_run`	No
`creatives`	Yes	Creative assets to validate
`assignments`	No
`creative_ids`	No
`media_buy_id`	No	Media buy ID
`delete_missing`	No
`idempotency_key`	No
`validation_mode`	No
`push_notification_config`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 1, 2026
- changedInput schema / additionalProperties
```
Previous value: -falseNew value: +true
```

Changed3 schema fields changedSep 1, 2026

removedInput schema / properties / adcp_major_version

Removed value: -{
-  "description": "Legacy major-precision AdCP version pin, an integer (e.g. 3), carried since 3.0. Prefer adcp_version. A major this agent does not speak is answered with a VERSION_UNSUPPORTED task failure; get_adcp_capabilities.adcp.major_versions lists the supported set.",
-  "type": "integer"
-}

removedInput schema / properties / adcp_version

Removed value: -{
-  "description": "Release-precision AdCP version this request is pinned to, \"MAJOR.RELEASE\" (e.g. \"3.1\"). A release this agent does not speak is answered with a VERSION_UNSUPPORTED task failure listing the ones it does. Read get_adcp_capabilities.adcp.supported_versions to pin correctly.",
-  "type": "string"
-}

removedInput schema / properties / context / description

Removed value: -"Opaque caller-supplied correlation object. Echoed back byte-for-byte, unparsed, on both successful and failed responses; the agent never reads its contents."

Changed3 schema fields changedSep 1, 2026

addedInput schema / properties / adcp_major_version

Added value: +{
+  "description": "Legacy major-precision AdCP version pin, an integer (e.g. 3), carried since 3.0. Prefer adcp_version. A major this agent does not speak is answered with a VERSION_UNSUPPORTED task failure; get_adcp_capabilities.adcp.major_versions lists the supported set.",
+  "type": "integer"
+}

addedInput schema / properties / adcp_version

Added value: +{
+  "description": "Release-precision AdCP version this request is pinned to, \"MAJOR.RELEASE\" (e.g. \"3.1\"). A release this agent does not speak is answered with a VERSION_UNSUPPORTED task failure listing the ones it does. Read get_adcp_capabilities.adcp.supported_versions to pin correctly.",
+  "type": "string"
+}

addedInput schema / properties / context / description

Added value: +"Opaque caller-supplied correlation object. Echoed back byte-for-byte, unparsed, on both successful and failed responses; the agent never reads its contents."

Changed3 schema fields changedAug 7, 2026
- addedInput schema / properties / creatives / description
```
Added value: +"Creative assets to validate"
```
- addedInput schema / properties / creatives / items / properties / format_id / description
```
Added value: +"AdCP creative format ID (e.g., dooh_landscape_1920x1080)"
```
- addedInput schema / properties / media_buy_id / description
```
Added value: +"Media buy ID"
```

Changed16 schema fields changedAug 6, 2026

addedInput schema / properties / account

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "account_id": {
+      "maxLength": 200,
+      "type": "string"
+    },
+    "brand": {
+      "additionalProperties": false,
+      "properties": {
+        "brand_id": {
+          "maxLength": 200,
+          "type": "string"
+        },
+        "domain": {
+          "maxLength": 253,
+          "type": "string"
+        }
+      },
+      "required": [
+        "domain"
+      ],
+      "type": "object"
+    },
+    "operator": {
+      "maxLength": 253,
+      "type": "string"
+    },
+    "sandbox": {
+      "type": "boolean"
+    }
+  },
+  "type": "object"
+}

addedInput schema / properties / assignments

Added value: +{
+  "items": {
+    "additionalProperties": true,
+    "properties": {
+      "creative_id": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string"
+      },
+      "media_buy_id": {
+        "maxLength": 100,
+        "minLength": 1,
+        "type": "string"
+      },
+      "package_id": {
+        "maxLength": 200,
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "creative_id"
+    ],
+    "type": "object"
+  },
+  "maxItems": 100,
+  "type": "array"
+}

addedInput schema / properties / creative_ids

Added value: +{
+  "items": {
+    "maxLength": 200,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 200,
+  "type": "array"
+}

changedInput schema / properties / creatives / items / additionalProperties
```
Previous value: -falseNew value: +true
```

addedInput schema / properties / creatives / items / properties / assets

Added value: +{
+  "additionalProperties": {},
+  "type": "object"
+}

addedInput schema / properties / creatives / items / properties / creative_id

Added value: +{
+  "maxLength": 200,
+  "minLength": 1,
+  "type": "string"
+}

addedInput schema / properties / creatives / items / properties / format_kind
```
Added value: +{
+  "maxLength": 100,
+  "type": "string"
+}
```
addedInput schema / properties / creatives / items / properties / name
```
Added value: +{
+  "maxLength": 300,
+  "type": "string"
+}
```
removedInput schema / properties / creatives / items / required
```
Removed value: -[
-  "url",
-  "type"
-]
```
addedInput schema / properties / delete_missing
```
Added value: +{
+  "type": "boolean"
+}
```
addedInput schema / properties / dry_run
```
Added value: +{
+  "type": "boolean"
+}
```

addedInput schema / properties / ext

Added value: +{
+  "additionalProperties": {},
+  "type": "object"
+}

addedInput schema / properties / idempotency_key

Added value: +{
+  "maxLength": 200,
+  "type": "string"
+}

addedInput schema / properties / push_notification_config

Added value: +{
+  "additionalProperties": {},
+  "type": "object"
+}

addedInput schema / properties / validation_mode

Added value: +{
+  "maxLength": 50,
+  "type": "string"
+}

changedInput schema / required

Previous value: -[
-  "media_buy_id",
-  "creatives"
-]New value: +[
+  "creatives"
+]

Changed1 schema field changedAug 4, 2026
- addedInput schema / properties / context
```
Added value: +{
+  "additionalProperties": {},
+  "type": "object"
+}
```

Changed2 schema fields changedJul 28, 2026

addedInput schema / properties / creatives / items / properties / format_id / anyOf

Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "agent_url": {
+        "maxLength": 500,
+        "type": "string"
+      },
+      "duration_ms": {
+        "type": "number"
+      },
+      "height": {
+        "type": "number"
+      },
+      "id": {
+        "maxLength": 200,
+        "type": "string"
+      },
+      "width": {
+        "type": "number"
+      }
+    },
+    "required": [
+      "agent_url",
+      "id"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "string"
+  }
+]

removedInput schema / properties / creatives / items / properties / format_id / type
```
Removed value: -"string"
```

First observedMar 12, 2026

TDQS

A3.5/5.0

Behavior2/5

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

No annotations are provided, so the description must carry the full behavioral burden. It explains validation and the returned compatibility status, but the 'sync' side effect is left ambiguous — notably, the schema contains delete_missing and dry_run, yet the description does not disclose whether this tool mutates state or what destructive behaviors may occur.

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 well-structured and front-loaded: a one-line summary, a two-sentence functional explanation, a concise WHEN TO USE list, and a concrete example. Every section earns its place without padding.

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

Completeness2/5

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

Given 12 parameters, nested objects, no output schema, and no annotations, this description is not complete enough for reliable invocation beyond the simple example. It omits the purpose and behavior of many optional parameters and does not describe the return format beyond a high-level 'compatibility status' statement.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is only 17%, and most parameters (assignments, creative_ids, delete_missing, dry_run, validation_mode, idempotency_key, etc.) are not explained in the description. The example adds useful meaning for media_buy_id and the creatives array, but it does not compensate for the large number of undocumented parameters.

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 opens with a specific verb and resource: 'Validate and sync creative assets for a media buy.' It also clarifies scope by listing validation dimensions (resolution, duration, format) and the returned compatibility status, which distinguishes it clearly from read-only sibling tools like list_creatives or get_media_buys.

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 'WHEN TO USE' section explicitly names three concrete scenarios: submitting creatives before launch, checking screen requirements, and validating VAST tags. It provides clear usage context, though it does not mention when not to use the tool or name alternative sibling tools.

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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