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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States)

Public construction cost data for Japan and the U.S., each row with its source URL and licence.

Checks passed
15 / 22

0 failed · 7 not measured

Median response
73 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
15

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
103
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 83 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name horizon-shield-construction-cost-data.

  • Pass
    Lists tools

    tools/list returned 15 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 73 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 82 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    89 of 89 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-02T21:52:03.229273Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States)

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http horizon-shield-construction-cost-data-jccdb-japan-and-usccdb-united-states https://ccdb.horizonshield.dev/mcp

Capabilities

Tools 15

compare_jccdb_regions

品目と規格で、地域ごとの最新時点の値を並べ、最小・中央・最大と状態別の件数を返す。規格・単位・値の種類が同じものだけを比べる(普通と高炉は別の組)。中央値はこのサービスの計算(computed:true)。例: query='生コンクリート', spec='24-8-25(20)', layer='material', normalize='namacon'(局ごとの規格の書き方の違いを越えて束ねる)。 / Latest value per region for an item and spec, with min, median (computed) and max and counts by price status; only identical spec, unit and basis are compared.

Discovered
get_jccdb_coverage

JCCDB の観測層に何がどこまであるかを返す: 国 x 種類(layer) x 出典の件数、値のある件数、状態別、出典の時点。0 行の組み合わせは absent に『無い(取り込んでいない)』と明記する。答える前に、その国・種類のデータがあるかをここで確かめる。 / What the JCCDB observation layer holds: rows per country x layer x source, priced rows, status counts and source periods; empty combinations are listed as absent (not ingested).

Discovered
get_jccdb_index_series

建設費の指数(NHCCI、PPI、建設工事費デフレーター等)の系列を期間で返し、前年同期比を添える。前年同期比はこのサービスが計算した値(computed:true)で、原本には無い。query も source_id も無いときは系列の一覧。例: query='NHCCI', from='2020Q1'。 / Construction cost index series over a period with year-over-year change computed by this service (computed:true). Without query or source_id, lists the series.

Discovered
get_jccdb_labor_rate

国交省の公共工事設計労務単価(47都道府県 x 50職種、所定労働時間内8時間あたりの賃金)を引く。既定は地域ごとの最新の時点、history:true で年ごとの系列。例: pref='奈良県', job='大工'。 / MLIT public-works design labor rates by prefecture and trade (wage per 8 hours); latest by default, yearly series with history:true.

Discovered
get_jccdb_observations

品目が『どの地域・地区で・いつ・いくらで(または非公開の理由)』公的資料に載っているかを返す(日本と米国)。値は再配布を許す出典のときだけ入り、各行に license・attribution・evidence_url が付く。県が刊行物単価を使って値を公開していない地区は publication_based_not_public と返す(欠落ではなく事実)。例: query='生コンクリート', pref='奈良県'。公共工事の設計単価であり、リフォームの見積単価ではない。 / Region, date and price status of an item in Japanese and U.S. public documents. Values only where the licence allows redistribution; every row carries licence, attribution and evidence URL; cells where the public body uses commercial price publications are reported as such, not guessed.

Discovered
get_jccdb_work_unit_price

工事の単価(材料・労務・機械の複合。施工パッケージ型積算の標準単価など)を引き、構成比の行を同じパッケージの行に添えて返す。公共土木の積算単価であり、リフォームの見積単価ではない。例: query='掘削', pref='東京都'。 / Public-works unit prices for work items (materials, labor and equipment combined), with composition-ratio rows attached to their package. Not renovation quote prices.

Discovered
get_us_area_factor

米国の場所ごとの建設費の係数を引く: 国防総省の Area Cost Factor と Sustainment ACF(軍の施設ごと、96 基準都市の平均 = 1.00)と、陸軍工兵隊 CWCCIS の州の調整係数(現行値と年ごと)。geo は州・郡・ZIP(zip:28533)・市(Cherry Point, NC)・国外の国(country:JP)。中央値は computed:true。予算用の係数で、見積の良し悪しを判定する係数ではない。 / U.S. location cost factors: DoD Area Cost Factors by installation (96 base-city average = 1.00) and USACE CWCCIS state adjustment factors; geo accepts state, county, ZIP, city or an overseas country. Budgeting factors, not a test of whether a quote is fair.

Discovered
get_us_construction_prices

米国の公的な建設費データベースを layer・地域・時点・品目で引く: labor(Davis-Bacon の法定賃金)、wage(BLS OEWS・QCEW の賃金)、work(DoD・FTA の単価)、equipment(FEMA・USACE の機械損料)、index(PPI・NHCCI・CWCCIS・DoD の地域係数)、spending(Census の工事支出と建築許可、市の許可)、cost_sqft(面積あたり工事費)、cost_limit(HUD の 1 戸あたり上限)、bid_item(州 DOT の入札単価)、house_price、material。geo は州・郡 FIPS(county:06037)・都市圏(cbsa:31080)・市(Austin, TX)。州を指定すると全国一律の行と USACE の地域の行も添える。1m2 あたりへの換算は computed:true。住宅リフォームの見積単価ではない。 / The U.S. public construction cost database by layer, region (state, county FIPS, CBSA, place), period and item: Davis-Bacon prevailing wages, BLS wages, public unit costs, equipment rates, permits and spending, indexes and area factors, HUD cost limits and state DOT bid prices. National and USACE regional rows are added for a state; per-m2 conversions are computed:true. Not residential remodeling quotes.

Discovered
get_us_contract_discounts

州と共同購買の契約書が公開している、定価からの値引き率を返す(ワシントン州 DES 23623 配管部材・11121 電気資材、NASPO ValuePoint の資材 MRO の Grainger・Fastenal・MSC・Lawson・HD Supply、Home Depot の塗料)。掛け率 = 1 - 値引き率(computed:true)。定価への上乗せ(Over MSRP)と業者の目録からの値引き(Catalog Off)は別の列で、掛け率には入れない。率は上限で、定価の基準は行ごとに違う。例: query='eaton breakers'。 / Published discount rates off list price in U.S. public contracts (Washington DES plumbing and electrical, NASPO ValuePoint MRO), with kake_ratio = 1 - discount (computed:true). Over-MSRP and catalog-off rows are kept separate. Rates are ceilings; list bases differ by row.

Discovered
get_us_import_landed_cost

米国に輸入される建材と化学品の陸揚げ原価を HS 10 桁で返す(Census の輸入統計 IMDB、月と年初来): 通関価格・CIF・計算上の関税(232 条などの追加関税を含む)・数量・単価・実効の関税率と、相手国の上位(か country で指定の国)。単価と実効の関税率は computed:true。国内の運賃と通関の手数料は入らない。 / Landed cost of U.S. imports of construction materials and chemicals by HS 10-digit code (Census IMDB, month and year to date): customs value, CIF, calculated duty (including Section 232 and other additional duties), quantity, unit cost and effective duty rate (computed), with top partner countries or one country.

Discovered
get_us_permits

米国の建築許可を地域と年で引く: Census Building Permits Survey(州・郡・都市圏・市の棟数・戸数・工事額・1戸あたり)と、市の許可データの申告工事額の分布(件数・合計・中央値・25/75 分位・1 sqft あたり)。工事額は申請者の申告で、契約額でも見積の単価でもない。計算した値は computed:true。例: geo='Austin, TX', year='2024'。 / U.S. building permits by region and year: Census BPS buildings, units, valuation and per-unit values, plus distributions of declared valuations in city permit data (median, quartiles, per sq ft). Declared by applicants; not contract prices or quotes.

Discovered
get_us_prevailing_wage

米国 Davis-Bacon 法の一般賃金決定(連邦の資金が入る建設工事で払うべき最低の基本時給と付加給付)を、州・郡・職種で引く。1 件ごとに基本時給と付加給付を並べ、決定番号・改訂・公表日・郡の一覧・出典 URL を添える。基本 + 付加給付の合計は computed:true。民間の住宅工事の相場や業者の請求単価ではない。例: state='CA', county='Los Angeles', trade='carpenter'。 / U.S. Davis-Bacon general wage determinations by state, county and trade: base wage and fringe side by side with decision number, revision, publication date and source URL; the total is computed:true. These are minimums for federally funded work, not private market rates.

Discovered
get_us_price_chain

米国で建材や化学品が流通の各段でいくらになるかを計算して返す: 輸入の陸揚げ原価(Census の輸入統計、CIF + 関税、232 条などの追加関税を含む)から、卸(業種の平均の粗利率、Census AIES 2024)、小売(直接輸入と卸経由の幅)、元請(Caltrans の材料の上乗せ 15%)まで。HS 10 桁か英語の品名で引く。各行に式・出典の URL と sha256・卸の業種の当て方の確度・BEA 2007 の流通構造との照合が付く。推計(computed:true)で、見積の良し悪しを判定する値ではない。例: query='plywood'、hs='2523290000'(ポルトランドセメント)。 / Estimated U.S. prices along the distribution chain for construction materials and chemicals: landed import cost (Census, CIF plus duty including Section 232) to wholesale (industry-average gross margin, Census AIES 2024), retail (range: direct import vs via wholesale) and contractor (Caltrans materials markup 15%). Look up by HS code or English product name; every row carries the formula, source URLs and hashes, mapping confidence and a BEA 2007 cross-check. Estimates (computed:true), not a verdict on any quote.

Discovered
get_us_trade_margins

米国の卸と小売の粗利率を NAICS で返す(Census AWTS 1992〜2022、ARTS 1993〜2022、AIES 2024)。kake_cost_ratio = 1 - 粗利率(売値のうち仕入れ原価の割合)。commodity か include_bea で BEA 2007 の建設業と家計の購入の流通構造(生産者価格・運賃・卸・小売・購入者価格)も。業種の平均で、個々の会社の仕入れ値ではない。例: naics='4233'(建材卸)、naics='444110'(ホームセンター)。 / U.S. wholesale and retail gross margins by NAICS (Census AWTS, ARTS, AIES 2024) with kake_cost_ratio = 1 - margin; optionally the BEA 2007 margin structure. Industry averages, not any firm's cost.

Discovered
search_jccdb_items

日本の建設費オープンデータ JCCDB(v5.1 は計526,128件)の品目の目録(95,403)を名前で探す。生コン・異形棒鋼・ヒューム管・側溝など資材や製品、労務の品目が公的資料に実在するかと証拠URLを返す。工事カテゴリ(search_cost_category)に無い資材はこちら。地域・時点・価格は get_jccdb_observations。 / Search the JCCDB item catalogue (95,403 line items of the 526,128 records in v5.1; materials, products, labor) by name; returns whether each exists in a public document, with its evidence URL. Use for materials that are not renovation work categories.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected83 ms15
Connected62 ms15