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google_ads_recommendations_apply

Apply a specific Google Ads recommendation by resource name to commit its proposed campaign change immediately; this action is irreversible, so list candidates first.

Instructions

Apply one Google Ads recommendation by resource name. Returns {resource_name} of the applied recommendation. Mutating — the underlying change (new keyword, ad copy, bidding strategy switch, etc.) is committed to the campaign immediately and is NOT reversible through this tool. The resource_name format 'customers//recommendations/' is re-validated server-side to prevent injection. To list candidates use google_ads_recommendations_list; some recommendation types also change budget, device, or schedule settings.

Input Schema

NameRequiredDescriptionDefault
reasonNoWhy this change is being made: one or two sentences naming the evidence and the expected effect. Stored in the journal and on the action_log entry this call produces, for the operator and the next session.
approvalNoExternal approval this change carries out (recorded and shown, never verified)
expectedNoExpected effects [{metric, direction, target?, horizon_days?, primary?}], exactly one primary:true when several; metric cpa/cpc/cpl/cpm/conversions/cvr/ctr/roas/cost/spend/clicks/impressions; direction up/down/hold.
customer_idNoGoogle Ads customer ID as a 10-digit string without dashes (e.g. '1234567890'). Optional — falls back to GOOGLE_ADS_CUSTOMER_ID / GOOGLE_ADS_LOGIN_CUSTOMER_ID from the configured credentials when omitted.
decision_idNoA proposed decision this change carries out.
resource_nameYesRecommendation resource name exactly as returned by google_ads_recommendations_list (format: 'customers/<cid>/recommendations/<rid>'). Re-validated against a strict regex before submission.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.33.0
    • changedInput schema / properties / expected / description
      Previous value: -"Expected effects [{metric, direction, target?, horizon_days?}]; metric cpa/cpc/cpl/cpm/conversions/cvr/ctr/roas/cost/spend/clicks/impressions; direction up/down/hold."New value: +"Expected effects [{metric, direction, target?, horizon_days?, primary?}], exactly one primary:true when several; metric cpa/cpc/cpl/cpm/conversions/cvr/ctr/roas/cost/spend/clicks/impressions; direction up/down/hold."
  2. Changed1 schema field changedv0.28.0
    • addedInput schema / properties / approval
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "External approval this change carries out (recorded and shown, never verified)",
      +  "properties": {
      +    "approved_at": {
      +      "maxLength": 64,
      +      "type": "string"
      +    },
      +    "approved_by": {
      +      "maxLength": 80,
      +      "type": "string"
      +    },
      +    "reference": {
      +      "maxLength": 128,
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "reference",
      +    "approved_by",
      +    "approved_at"
      +  ],
      +  "type": "object"
      +}
  3. Changed2 schema fields changedv0.26.0
    • addedInput schema / properties / decision_id
      Added value: +{
      +  "description": "A proposed decision this change carries out.",
      +  "maxLength": 128,
      +  "minLength": 1,
      +  "type": "string"
      +}
    • addedInput schema / properties / expected
      Added value: +{
      +  "description": "Expected effects [{metric, direction, target?, horizon_days?}]; metric cpa/cpc/cpl/cpm/conversions/cvr/ctr/roas/cost/spend/clicks/impressions; direction up/down/hold.",
      +  "maxItems": 12,
      +  "type": "array"
      +}
  4. Changed1 schema field changedv0.20.0
    • addedInput schema / properties / reason
      Added value: +{
      +  "description": "Why this change is being made: one or two sentences naming the evidence and the expected effect. Stored in the journal and on the action_log entry this call produces, for the operator and the next session.",
      +  "maxLength": 500,
      +  "type": "string"
      +}
  5. Changed1 schema field changedv0.10.37
    • addedInput schema / additionalProperties
      Added value: +false
  6. Addedv0.10.11
  7. Removedv0.10.9
  8. Addedv0.9.12
  9. Removedv0.9.6
  10. Addedv0.9.2
  11. Removedv0.9.1
  12. Addedv1.0.5

TDQS

A4.1/5.0
Behavior4/5

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

No annotations are provided, so the description carries the full burden and does so well: it declares the mutation is committed immediately, is NOT reversible through this tool, and that resource_name is server-side re-validated to prevent injection. It omits permission/scope requirements and rate-limit behavior, keeping it below 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.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loads the core action and the mutating warning in the first sentences with no filler. The trailing clause about budget/device/schedule is slightly peripheral but still useful; overall tight and well-ordered.

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?

For a six-param mutation tool with nested approval/expected objects and 100% schema coverage, the description supplies the critical risk and reversibility context an agent needs. The absence of an output schema is covered because the description states the return ('{resource_name} of the applied recommendation').

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 all six parameters including reason, expected, approval, and customer_id. The description only re-states the resource_name format, adding no meaning beyond the schema, so the 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?

States a specific verb ('Apply') and resource ('one Google Ads recommendation by resource name'), and explicitly names the sibling google_ads_recommendations_list as the way to discover candidates. An agent can distinguish this mutation tool from the read-only listing tool 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?

Explicitly routes the agent to google_ads_recommendations_list for candidates and warns that some recommendation types touch budget/device/schedule, hinting at scope. It stops short of stating exclusions or prerequisites (e.g., when applying is inappropriate), so it is strong context rather than a full decision rule.

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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