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tiktok get asset urls

tiktok_get_asset_urls

Read-onlyIdempotent

Resolve fresh, publicly fetchable URLs for TikTok ad video and image assets at display or download time, since every signed media URL eventually expires.

Instructions

Re-resolve fresh, publicly fetchable URLs for specific TikTok library assets (file/video/ad/info and file/image/ad/info). Call at display or download time: every TikTok media URL is signed and expires.

Input Schema

Name	Required	Description
`imageIds`	No	Image IDs to refresh
`videoIds`	No	Video IDs to refresh (at most 60 per call, TikTok's documented cap)
`advertiserId`	Yes	TikTok advertiser ID

Output Schema

Name	Required	Description	Default
`result`	Yes	Original tool result: parsed JSON when the text is JSON, otherwise the text or multiple MCP content blocks. Provider fields depend on the selected query.

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedv2.1.1Oct 30, 2026

removedInput schema / additionalProperties
```
Removed value: -false
```

changedOutput schema / properties / result / anyOf

Previous value: -[
-  {
-    "additionalProperties": true,
-    "properties": {},
-    "type": "object"
-  },
-  {
-    "items": {},
-    "type": "array"
-  },
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  },
-  {
-    "type": "boolean"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {},
+    "type": "object"
+  },
+  {
+    "items": {},
+    "type": "array"
+  },
+  {
+    "type": "string"
+  },
+  {
+    "type": "number"
+  },
+  {
+    "type": "boolean"
+  },
+  {
+    "type": "null"
+  }
+]

First observedv2.0.1Sep 23, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already cover read-only, idempotent, non-destructive, open-world semantics, so the description's real contribution is the crucial fact that TikTok media URLs are signed and expire — explaining why repeated calls are expected and necessary. It stops short of rate-limit or expiry-window details, but adds meaningful context beyond the annotations.

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?

Two sentences, front-loaded with the action and followed by the operational trigger. Nothing is padded or redundant.

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 an output schema present, return values need no explanation, and the description covers why and when to call. Minor gap: it doesn't say whether imageIds/videoIds are required together or how to batch beyond the schema's per-call caps.

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% and both the video cap and ID semantics are already documented in the schema, so the description only echoes asset types at a high level. Baseline 3 is appropriate; no additional format or batching guidance is supplied beyond the schema.

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?

States a specific verb ('Re-resolve') and resource ('fresh, publicly fetchable URLs for specific TikTok library assets'), and names the exact TikTok file paths involved. This clearly separates it from sibling list tools like tiktok_get_video_assets or tiktok_list_ad_videos, which enumerate assets rather than mint URLs.

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?

'Call at display or download time' gives a concrete trigger condition that no other sibling shares. It doesn't explicitly name an alternative or exclusion, but the timing guidance is unambiguous enough that misuse is unlikely.

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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