Loading ToolBench
MCP server for Google Ads API capabilities
41 tools with consistent naming (verb_noun pattern) and descriptions present. However, critical gaps: parameter descriptions are minimal or absent for many tools (e.g., 'fields' in update_* tools lacks detail on valid field names); output schemas are undocumented across all tools; error handling is generic ('Failed to X: {error.message}') with no recovery guidance; no input validation or constraint documentation (e.g., enum values for status, bid ranges). Schemas are inferred from Zod types but not explicitly visible in handler code. Tool composition is reasonable (single responsibility), but parameter relationships (e.g., which fields are mutable in update_ad_group) are undocumented.
Add targeting criteria to a campaign
Add negative keywords to an existing shared negative keyword list
Attach multiple existing assets to a customer account. Use after creating assets with create_*_extension tools.
Attach multiple existing assets to an ad group. Use after creating assets with create_*_extension tools.
Attach multiple existing assets to a campaign. Use after creating assets with create_*_extension tools.
Attach a shared negative keyword list to a campaign
Update tools (update_ad_group, update_campaign, update_ad_group_criterion, update_ad_group_ad, update_ad) accept generic 'fields' object with no schema or documentation of valid field names, types, or constraints. LLMs cannot determine which fields are mutable or what values are valid.
No output schemas documented for any tool. Responses are text-only ('X created successfully'). LLMs cannot extract IDs, references, or structured data for downstream tool chaining. Missing resource names, IDs, and field values needed for follow-up operations.
Parameter descriptions are minimal or missing for complex inputs. 'keywords' array in add_keywords_to_shared_set lacks detail on required fields (text, match_type). 'criteria' in add_campaign_criteria has no schema. 'rules' in create_rule_based_user_list undocumented.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | D | 55 | 2026-07-28+ | v2 |
Configure Google Ads API credentials for the server
Create a new ad group under an existing campaign
Create a remarketing audience based on conversion actions. Users who triggered any of the specified conversion actions will be added to this list.
Create a new call extension. After creation, use attach_assets_to_*_bulk tools to link the asset to accounts, campaigns, or ad groups.
Create a new callout extension. After creation, use attach_assets_to_*_bulk tools to link the asset to accounts, campaigns, or ad groups.
Create a new campaign with budget, bidding strategy, targeting, and campaign-type specific settings
Create a new campaign budget that can be shared across campaigns or used for a single campaign
Create one or more keywords with specified match types (broad, phrase, exact). Supports both positive and negative keywords.
Create a new responsive search ad in an ad group
Create a remarketing audience based on website visitor rules (URL patterns, custom parameters). Use 'url__' as the rule name for URL-based targeting with operators like CONTAINS.
Create a new sitelink extension. After creation, use attach_assets_to_*_bulk tools to link the asset to accounts, campaigns, or ad groups.
Create a new structured snippet extension. After creation, use attach_assets_to_*_bulk tools to link the asset to accounts, campaigns, or ad groups.
Create a new text asset. After creation, use attach_assets_to_*_bulk tools to link the asset to accounts, campaigns, or ad groups. Use BUSINESS_NAME asset_type when attaching for business name field.
Execute a Google Ads Query Language (GAQL) query to retrieve data
Generate ad group themes for keywords using the Keyword Planner API
Generate forecast metrics for keywords using the Keyword Planner API
Generate historical metrics for keywords using the Keyword Planner API
Generate keyword ideas using the Keyword Planner API
List all Google Ads customers accessible with current credentials
List all campaigns in the account (diagnostic tool for ad group creation)
List available structured snippet headers for the account
List all user lists (remarketing audiences) in the account, including GA4-synced audiences
Remove an ad from an ad group (sets status to REMOVED)
Remove device bid modifiers from an ad group (first neutralizes to 1.0, then clears from UI)
Delete asset objects from the account
Detach assets from a campaign (removes the association, not the asset itself)
Remove targeting criteria from a campaign
Remove one or more keywords from an ad group by criterion IDs
Remove keywords from a shared negative keyword list
Set demographic targeting for a campaign
Update ad fields dynamically. Available fields: ad_group_ad
Update ad group fields dynamically. Available fields: ad_group
Update ad group ad fields dynamically. Available fields: ad_group_ad
Update ad group criterion fields dynamically. Available fields: ad_group_criterion. Note: keyword.text is immutable.
Update campaign fields dynamically
Error handling is generic and non-actionable. All tools return 'Failed to X: {error.message}' with no recovery guidance, categorization (retryable vs fatal), or suggestions for next steps. LLMs cannot self-correct or plan recovery.
No input validation or constraint documentation. Status enums, bid ranges, match types, and delivery methods are not declared. LLMs may pass invalid values (e.g., status='PENDING' instead of 'ENABLED'/'PAUSED'). No format constraints for IDs, URLs, or phone numbers.