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SEO and Keyword Data API

Domain overview (organic and paid visibility)

domain_overview
Read-onlyIdempotent

Domain overview: a domain's Google SEO footprint in one market: organic and paid ranking keywords, estimated monthly traffic (etv) and its ad value, and keywords in position 1, top 3, top 10 and top 100, in one $0.04 call. Use when you need a quick SEO size-up of a website or competitor (bare domain; www. is dropped). A domain with no data gives found false (still charged). Bad input is free; upstream errors are not charged. Price: $0.04 per successful call, paid over x402 (USDC on Base); pass the payment in _meta["x402/payment"].

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "target": "<target>"
    },
    "name": "domain_overview"
  }
}

Input Schema

NameRequiredDescriptionDefault
targetYesBare domain like example.com (no scheme, path or port; a leading www. is dropped).
countryNoOptional ISO 3166-1 alpha-2 code or country name, used when locationCode is absent (uk = gb).
languageCodeNoLanguage code (2-letter). Defaults to en. An unsupported location falls back to 2840 (United States) with en (or the requested language if the United States offers it); a supported location with a language it does not offer uses that location's default language (en if offered). Either way market.fallback is true and market.warnings says what was used.
locationCodeNoGoogle Ads location code (geo target ID). Defaults to 2840 (United States); an unsupported code falls back to 2840 (United States, market.fallback).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Added

TDQS

A4.4/5.0
Behavior5/5

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

Annotations only declare it a safe, idempotent, open-world read; the description adds substantial cost/behavior context beyond them: $0.04 per successful call charged over x402 with the payment passed in _meta, bad input free, upstream errors not charged, and empty results still billed with found=false. It also documents input normalization (leading www. dropped), which prevents wasted paid calls.

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-loaded with purpose and output inventory, then usage, then billing caveats — a sensible order. The price is stated twice ('in one $0.04 call' and 'Price: $0.04 per successful call'), a small redundancy in an otherwise dense paragraph.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description carries the return-value burden and does so by naming the fields returned (etv, ad value, position buckets) and the found=false empty case. Combined with the documented fallback behavior and billing rules, an agent has everything needed to call it and interpret the result.

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 parameters (target, country, languageCode, locationCode) including fallback semantics are already fully documented in the schema. The description only restates the 'bare domain; www. is dropped' rule and adds no new parameter meaning, 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 resource (a domain's Google SEO footprint) and enumerates the exact outputs: organic and paid ranking keywords, etv and ad value, and counts of keywords in position 1/top 3/top 10/top 100, all in one market. The 'overview / quick size-up' framing implicitly separates it from per-keyword siblings like ranked_keywords, keywords_for_site and traffic_estimate.

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?

Gives a clear use case: 'when you need a quick SEO size-up of a website or competitor', which lets an agent pick this as the cheap first-pass tool. It does not explicitly name alternatives (ranked_keywords, competitor_domains) or state when not to use it, so it stops short of full routing guidance.

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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