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zipexplore-mcp

by io.github.andrew-sondgeroth
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get_methodology

Returns ZipExplore's data interpretation guide: reasoning guardrails (associations vs. causes, small-ZIP noise, averages hiding distributions, editorial score weights, drawing conclusions about people from geographic data), quality flag definitions, known data limitations, coverage gap explanations, and per-domain vintage summary. Call this when you have questions about data quality, what a quality_flag code means, why a ZIP has no data, or how to reason carefully about scores and correlations.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_methodology"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A4.4/5.0
Behavior3/5

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

No annotations are provided, so the description carries full burden. It details what the tool returns but does not explicitly state behavioral traits like read-only, no side effects, or performance characteristics. For a simple documentation retrieval tool, this is adequate but not exceptional.

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?

The description is a single paragraph that front-loads the main purpose and then provides a bullet-like list of contents. It is informative and reasonably concise, though slightly verbose with the list of items.

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?

Given no parameters, no output schema, and the tool's nature as a documentation guide, the description fully explains what the tool returns. It answers potential questions a user might have about the tool's output.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are no parameters, and schema description coverage is 100%. According to guidelines, 0 params gives a baseline of 4. The description does not need to add param info.

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?

The description clearly states the verb 'Returns' and the resource 'ZipExplore's data interpretation guide', and lists specific contents (reasoning guardrails, quality flag definitions, etc.). This immediately distinguishes it from sibling tools that return specific data profiles.

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

Usage Guidelines5/5

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

The description explicitly states: 'Call this when you have questions about data quality, what a quality_flag code means, why a ZIP has no data, or how to reason carefully about scores and correlations.' This provides clear guidance on when to use this tool versus others.

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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