# io.github.physics-star-cat/databutler-jp-living-costs

> Japan minimum wage by prefecture, 協会けんぽ rates, pensions, benefits, holidays, tax figures, sourced.

- name: io.github.physics-star-cat/databutler-jp-living-costs
- version: 1.0.0
- connection class: unknown (unknown)
- trust: 93/100 flags: duplicate-repo
- quality: 96/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.physics-star-cat%2Fdatabutler-jp-living-costs
- tools: https://api.protogrid.dev/v1/servers/io.github.physics-star-cat%2Fdatabutler-jp-living-costs/tools

**Not classified yet.** The remote endpoints have not been probed successfully, or the listing has nothing to connect to.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "databutler-jp-living-costs": {
      "type": "http",
      "url": "https://databutler.dev/api/mcp/jp-living-costs"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 90
- drivers: +repository +namespace-matches-repo +website +reachable +uptime-100% +updated-20d-ago -duplicate-repo(18 names)
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 96/100 (strong)

### protocol: n/a (weight 25)

- n/a `protocol.modern`, `protocol.stateless`, `protocol.transport`, `protocol.list_ttl`: no remote answered a protocol handshake (not probed yet, unreachable, or local-only)

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 94 (weight 30)

- pass `tools.descriptions`: every tool has a description
- warn `tools.description_length`: 1 tools have descriptions over 1,024 characters, which crowds the context
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 1 of 1 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 448 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 1, about 448 tokens to load them all
- tool set hash: 19a81adac86fe78e178c37a9b32fbc6a
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.physics-star-cat/databutler-jp-living-costs.svg)](https://protogrid.dev/servers/io.github.physics-star-cat/databutler-jp-living-costs)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://databutler.dev/api/mcp/jp-living-costs (streamable-http, auth unknown, reachable true, uptime30d 1)

## Packages

_none_

## Tools (1)

- `jp_living_costs_lookup`: Japan daily-life official figures, verified against the official pages, by category: minimum-wage (地域別最低賃金 FY2026, hourly, 47 prefectures by romanised key such as tokyo or osaka plus national-weighted-average, each with its own effectiveFrom between 2026-10-01 and 2026-12-02 and the FY2025 amount as previous), health-insurance (協会けんぽ 都道府県単位保険料率 FY2026 by prefecture, employer + employee combined, with the FY2025 rate as previous; long-term-care 介護保険料率 for ages 40–64; child-rearing-levy 子ども・子育て支援金率 from April 2026), pension (kosei-nenkin-rate 厚生年金保険料率, kokumin-nenkin-premium 国民年金保険料 FY2026 and FY2027, kiso-nenkin-full-monthly 老齢基礎年金 満額), employment-insurance (雇用保険料率 FY2026, employee / employer / total per 1,000, three business types), benefits (児童手当 monthly amounts, 出産育児一時金, 高額療養費 ceilings for under-70s before August 2026, August 2026 – July 2027 and from August 2027), holidays (国民の祝日 2027), consumption-tax (10% and 8%, national and local portions), income-tax (基礎控除 table for 2024 to 2028+, 給与所得控除 tables for 2025 and 2026) and resident-tax (均等割 and 森林環境税). Each figure carries its value, unit, the Japanese term, the quoted row from the page, its source URL and effectiveFrom (and effectiveTo where the source states an end); the answer carries verifiedDate, freshness and a citation permalink. No category returns the listing; an unknown category answers covered:false with the nearest keys.