SpendCanary free Google Ads tools

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Free Google Ads and PPC tools: ad copy, ROAS, CPC, budgets, wasted spend and landing page checks.

Marketing & SEO

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      "updatedAt": "2026-11-15T14:44:34.296227Z",
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    "title": "SpendCanary free Google Ads tools",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://spendcanary.com/mcp",
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    "version": "1.0.0",
    "repository": {
      "url": "https://github.com/spendcanary/mcp-free-tools",
      "source": "github"
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    "websiteUrl": "https://spendcanary.com/tools",
    "description": "Free Google Ads and PPC tools: ad copy, ROAS, CPC, budgets, wasted spend and landing page checks."
  }
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Call this server's tools from your browser. Nothing to install.

https://spendcanary.com/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

check_ad_copy Read-only

Checks Google responsive search ad or Meta ad text against character limits and common rejection reasons (symbols, capitals, repeated text, claims). Returns issues per line: fix (likely rejected or cut off) or look (worth a second look).

pathsarray

Google display path fields (up to 2).

keywordstring

The main keyword or service the ad is for.

platformstring

google for a responsive search ad, meta for a Facebook or Instagram ad

headlinesarray

Google: up to 15 headlines. Meta: headlines.

descriptionsarray

Google: up to 4 descriptions. Meta: descriptions.

primary_textarray

Meta primary text variations.

Try it

Call this server's tools from your browser. Nothing to install.

https://spendcanary.com/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

check_ad_copy Read-only

pathsarray

Google display path fields (up to 2).

keywordstring

The main keyword or service the ad is for.

platformstring

google for a responsive search ad, meta for a Facebook or Instagram ad

headlinesarray

Google: up to 15 headlines. Meta: headlines.

descriptionsarray

Google: up to 4 descriptions. Meta: descriptions.

primary_textarray

Meta primary text variations.

Tools (7)

check_ad_copy

read-only

Argument	Type	Description
paths	array	Google display path fields (up to 2).
keyword	string	The main keyword or service the ad is for.
platform	string	google for a responsive search ad, meta for a Facebook or Instagram ad
headlines	array	Google: up to 15 headlines. Meta: headlines.
descriptions	array	Google: up to 4 descriptions. Meta: descriptions.
primary_text	array	Meta primary text variations.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "paths": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 2000
      },
      "maxItems": 2,
      "description": "Google display path fields (up to 2)."
    },
    "keyword": {
      "type": "string",
      "maxLength": 200,
      "description": "The main keyword or service the ad is for."
    },
    "platform": {
      "enum": [
        "google",
        "meta"
      ],
      "type": "string",
      "default": "google",
      "description": "google for a responsive search ad, meta for a Facebook or Instagram ad"
    },
    "headlines": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 2000
      },
      "default": [],
      "maxItems": 15,
      "description": "Google: up to 15 headlines. Meta: headlines."
    },
    "descriptions": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 2000
      },
      "default": [],
      "maxItems": 10,
      "description": "Google: up to 4 descriptions. Meta: descriptions."
    },
    "primary_text": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 2000
      },
      "maxItems": 5,
      "description": "Meta primary text variations."
    }
  }
}

check_landing_page

Loads a public landing page on a phone and a computer and checks speed, redirects, a way to call, book or buy, and the Google tag. Limited to 5 checks an hour.

read-only

Argument	Type	Description
url*	string	The public web address an ad sends people to.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "maxLength": 2000,
      "description": "The public web address an ad sends people to."
    }
  }
}

cpc

Cost per click from spend and clicks, or clicks from spend and cost per click (any two of the three), plus CPM and click-through rate from impressions.

read-only

Argument	Type	Description
spend	number	Ad spend.
clicks	integer	Clicks.
currency	string	Currency code for the amounts; amounts are shown in it, never converted.
impressions	integer	Impressions, for CPM and click-through rate.
cost_per_click	number	Cost per click; give two of spend, clicks and cost_per_click.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "spend": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Ad spend."
    },
    "clicks": {
      "type": "integer",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Clicks."
    },
    "currency": {
      "enum": [
        "USD",
        "EUR",
        "GBP",
        "CAD",
        "AUD",
        "NZD",
        "AED",
        "INR",
        "SGD"
      ],
      "type": "string",
      "default": "USD",
      "description": "Currency code for the amounts; amounts are shown in it, never converted."
    },
    "impressions": {
      "type": "integer",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Impressions, for CPM and click-through rate."
    },
    "cost_per_click": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Cost per click; give two of spend, clicks and cost_per_click."
    }
  }
}

daily_budget_max_spend

The most Google Ads can charge in one day (2× the average daily budget) and in a month (30.4×) for a campaign daily budget.

read-only

Argument	Type	Description
currency	string	Currency code for the amounts; amounts are shown in it, never converted.
daily_budget*	number	Average daily budget of one campaign.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "daily_budget"
  ],
  "properties": {
    "currency": {
      "enum": [
        "USD",
        "EUR",
        "GBP",
        "CAD",
        "AUD",
        "NZD",
        "AED",
        "INR",
        "SGD"
      ],
      "type": "string",
      "default": "USD",
      "description": "Currency code for the amounts; amounts are shown in it, never converted."
    },
    "daily_budget": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Average daily budget of one campaign."
    }
  }
}

roas

Return on ad spend from sales and ad spend, plus the break-even ROAS and profit for a profit margin.

read-only

Argument	Type	Description
revenue*	number	Sales from the ads (conversion value) in the period.
ad_spend*	number	What the ads cost in the same period.
currency	string	Currency code for the amounts; amounts are shown in it, never converted.
margin_percent	number	Profit margin in percent, for the break-even ROAS.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "revenue",
    "ad_spend"
  ],
  "properties": {
    "revenue": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "Sales from the ads (conversion value) in the period."
    },
    "ad_spend": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0,
      "description": "What the ads cost in the same period."
    },
    "currency": {
      "enum": [
        "USD",
        "EUR",
        "GBP",
        "CAD",
        "AUD",
        "NZD",
        "AED",
        "INR",
        "SGD"
      ],
      "type": "string",
      "default": "USD",
      "description": "Currency code for the amounts; amounts are shown in it, never converted."
    },
    "margin_percent": {
      "type": "number",
      "maximum": 100,
      "minimum": 0,
      "description": "Profit margin in percent, for the break-even ROAS."
    }
  }
}

search_partners_cost

Compares cost per conversion on Google Search with the Search Partners network and estimates what partners cost a month beyond Search, using the same rule as the SpendCanary scan.

read-only

Argument	Type	Description
days	integer	Days the figures cover.
currency	string	Currency code for the amounts; amounts are shown in it, never converted.
google_search_cost*	number
search_partners_cost*	number
google_search_conversions*	number
search_partners_conversions*	number

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "google_search_cost",
    "google_search_conversions",
    "search_partners_cost",
    "search_partners_conversions"
  ],
  "properties": {
    "days": {
      "type": "integer",
      "default": 30,
      "maximum": 366,
      "minimum": 1,
      "description": "Days the figures cover."
    },
    "currency": {
      "enum": [
        "USD",
        "EUR",
        "GBP",
        "CAD",
        "AUD",
        "NZD",
        "AED",
        "INR",
        "SGD"
      ],
      "type": "string",
      "default": "USD",
      "description": "Currency code for the amounts; amounts are shown in it, never converted."
    },
    "google_search_cost": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0
    },
    "search_partners_cost": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0
    },
    "google_search_conversions": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0
    },
    "search_partners_conversions": {
      "type": "number",
      "maximum": 1000000000,
      "minimum": 0
    }
  }
}

wasted_spend_from_search_terms

Reads a Google Ads search terms report (CSV text) and totals the spend on search terms with no conversions, with the costliest ones and a monthly figure.

read-only

Argument	Type	Description
csv*	string	The Google Ads search terms report exported as CSV, as text (up to 2 MB).

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "csv"
  ],
  "properties": {
    "csv": {
      "type": "string",
      "maxLength": 2000000,
      "description": "The Google Ads search terms report exported as CSV, as text (up to 2 MB)."
    }
  }
}

SpendCanary free Google Ads tools

Registry entry

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check_ad_copy Read-only

SpendCanary free Google Ads tools

Registry entry

Try it

check_ad_copy Read-only

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Tools (7)

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