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zhangluka

grain-seo-mcp

by zhangluka

compare_engines

Compare SEO performance across Google and Bing by query, page, country, or device to identify where your site excels or lags.

Instructions

Compare performance data between Google and Bing for a specific dimension (query, page, etc).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
siteUrlYesThe URL of the site
dimensionYesDimension to compare
startDateYesStart date (YYYY-MM-DD)
endDateYesEnd date (YYYY-MM-DD)
minImpressionsNoMinimum impressions threshold
minClicksNoMinimum clicks threshold
limitNoMax rows to return per engine (default: 1000)
offsetNoOffset for pagination
Behavior2/5

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

No annotations provided. Description does not disclose read-only nature, permissions, or behavioral traits beyond the basic operation. Adds little to schema.

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?

Single sentence, no wasted words, front-loaded with action and resource. Efficient.

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

Completeness3/5

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

No output schema. Description covers core purpose but omits details like metrics compared, filtering behavior, and prerequisites. Adequate but incomplete for a tool with 8 parameters.

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 has 100% coverage of parameter descriptions. Tool description only reinforces the dimension parameter. No additional meaning added beyond schema.

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?

Description clearly states verb 'compare' and resource 'performance data between Google and Bing', with dimension parameter. Uniquely distinguishes from sibling tools that do not compare across engines.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use vs alternatives. Implied by cross-engine comparison, but lacks when-not-to-use or alternative suggestions.

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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