jp-address

normalize_jp_address

Normalize and verify a Japanese postal address. Splits a raw Japanese address string into structured fields (prefecture, city, town, block number, building, room) and returns a verification flag plus lat/lng. Handles messy input: full-width chars, mixed hyphens, romaji, and building/room separation that generic parsers miss.

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": {
      "address": "<address>"
    },
    "name": "normalize_jp_address"
  }
}

Input Schema

Name	Required	Description	Default
`address`	Yes	Raw Japanese address string.

Schema Changelog

Changes observed during successful MCP inspections.

First observedJul 30, 2026

TDQS

A4.4/5.0

Behavior4/5

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

No annotations are provided, so the description bears full responsibility. It discloses the tool's behavior: splitting addresses, returning structured fields, verification flag, and lat/lng. It also mentions handling specific messy input types. Minor gap: does not describe error handling for invalid addresses.

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?

The description is two sentences: the first states core purpose and outputs, the second adds crucial handling details. No unnecessary words; every sentence is informative and earns its place.

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

Completeness4/5

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

Given one parameter, no output schema, and no sibling tools, the description is fairly complete. It explains the input type, the tool's actions, and the types of outputs. It could be slightly more specific about the return structure (e.g., field names), but overall it provides sufficient context for an agent.

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?

Schema coverage is 100% with one parameter 'address' described as 'Raw Japanese address string.' The description adds value by specifying that the tool handles full-width characters, mixed hyphens, romaji, and building/room separation, which clarifies the input's acceptable variety beyond the 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?

The description clearly states the tool's purpose: 'Normalize and verify a Japanese postal address.' It specifies actions (normalize, verify, split into structured fields) and outputs (verification flag, lat/lng). Even without siblings, it distinguishes itself as a specialized Japanese address parser.

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?

The description indicates when to use this tool: for messy input including full-width chars, mixed hyphens, romaji, and building/room separation that generic parsers miss. This provides clear context, but it does not explicitly state when not to use it or mention any alternative tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All jp-address tools Inspect

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