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Google Ads by Get MCP Ads

google ads get demand gen assets

google_ads_get_demand_gen_assets
Read-onlyIdempotent

List Demand Gen ads and resolve their referenced creatives into stable image URLs and YouTube video IDs with embed and thumbnail links.

Instructions

List Demand Gen ads (video responsive, multi-asset, carousel) with their referenced creatives resolved: stable image URLs and YouTube video IDs with embed and thumbnail URLs. Complements google_ads_get_pmax_assets, which covers Performance Max.

Input Schema

NameRequiredDescriptionDefault
limitNoMaximum number of returned items or rows. The declared bounds and default apply; use pagination for additional results.
campaignIdNoOptional Demand Gen campaign ID filter
customerIdYesGoogle Ads customer ID (without dashes, e.g., 1234567890)

Output Schema

NameRequiredDescriptionDefault
resultYesOriginal 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.

  1. Changed2 schema fields changedv2.1.1
    • 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"
      +  }
      +]
  2. First observedv2.0.1

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive, open-world. The description adds genuinely non-obvious behavioral context: referenced creatives are resolved into stable image URLs and YouTube video IDs with embed and thumbnail URLs, which is not derivable from the annotations. It omits any mention of rate limits or resolution failures, so not a 5.

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 primary action and scope, and the sibling disambiguation immediately after. No filler or restatement of the title.

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?

Rich annotations, a fully described schema, and an output schema mean the description only needs to cover scope and the enrichment behavior, which it does. Minor gap: no hint about result shape or how pagination interacts with the limit for a potentially large asset listing.

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 the schema already documents customerId, campaignId, and limit with bounds and defaults. The description adds no syntax or format detail about the campaignId filter or pagination, so baseline 3 applies.

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?

Specific verb 'List' plus a precisely scoped resource: Demand Gen ads, with the three subtypes named (video responsive, multi-asset, carousel) and the enrichment behavior stated. It also explicitly names the sibling it is not, google_ads_get_pmax_assets, so an agent can route correctly without opening either schema.

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 sentence 'Complements google_ads_get_pmax_assets, which covers Performance Max' gives a clear use-vs-alternative signal: use this for Demand Gen, that for PMax. There is no explicit exclusion beyond that or stated prerequisites, so it stops short of a 5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.