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google ads generate ad group themes

google_ads_generate_ad_group_themes
Read-onlyIdempotent

Organize supplied keywords into existing Google Ads ad groups by returning suggested ad group/campaign pairings, normalized keyword text, and match types without creating or editing keywords.

Instructions

Organize supplied keywords into existing Google Ads ad groups. Returns suggested ad group/campaign pairings, normalized keyword text, and suggested match type without creating or editing keywords. Read-only Keyword Planner RPC.

Input Schema

NameRequiredDescriptionDefault
keywordsYesKeyword phrases to analyze; use the language and market of the intended audience.
adGroupIdsYesExisting ad group IDs in the same customer account
customerIdYesServing customer ID containing the existing ad groups

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 cover read-only, idempotent, non-destructive semantics, but the description adds real context: it runs against Keyword Planner, only returns suggestions, and mutates nothing. It does not mention quota/rate considerations of the Keyword Planner RPC, which is the one remaining behavioral gap.

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, tightly packed: the action and return payload come first, followed by the non-mutation guarantee and RPC origin. 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?

With rich annotations, full schema coverage, and an output schema covering return values, the description supplies everything needed to call it correctly. A note on cost/quota of the Keyword Planner call would make it fully complete.

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% with all three required parameters documented, so the schema carries the semantics; the description only restates the same roles at a high level ('supplied keywords', 'existing ad groups'). Baseline 3 applies since no extra syntax, limits, or format guidance is added.

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 and resource: organizes supplied keywords into existing ad groups, and returns suggested ad group/campaign pairings with normalized keyword text and match type. The phrase 'without creating or editing keywords' separates it from any mutating or idea-generation siblings.

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?

Clear implied context: you have a keyword list plus existing ad group IDs, and you want them classified rather than generated or written. It states a negative boundary (no creation/editing) but does not name an explicit alternative such as google_ads_generate_keyword_ideas for net-new discovery.

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