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

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by ogasurfproject-jpg·io.github.ogasurfproject-jpg/construction-cost-data·v1.0.0·1 stars

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

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HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) tools (15)

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  • compare_jccdb_regionsFree

    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.

  • get_jccdb_coverageFree

    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).

  • get_jccdb_index_seriesFree

    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.

  • get_jccdb_labor_rateFree

    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.

  • get_jccdb_observationsFree

    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.

  • get_jccdb_work_unit_priceFree

    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.

  • get_us_area_factorFree

    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.

  • get_us_construction_pricesFree

    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.

  • get_us_contract_discountsFree

    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.

  • get_us_import_landed_costFree

    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.

  • get_us_permitsFree

    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.

  • get_us_prevailing_wageFree

    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.

  • get_us_price_chainFree

    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.

  • get_us_trade_marginsFree

    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.

  • search_jccdb_itemsFree

    日本の建設費オープンデータ JCCDB(v5.0 は計425,765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 425,765 records in v5.0; 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.

Public scan report

scanner v0.1.10 · 2026-10-02 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 324ms20/20
  • Tool poisoning15 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 88/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

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

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
88/100
higher than 75% of 48,255 servers
Tools
15
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
61 ms
faster than 91% of 30,031 servers
GitHub stars
1
more than 65% of 28,688 servers

What its tools let an agent do: 15 read

Install HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) in Claude Code, Cursor or VS Code

claude mcp add --transport http construction-cost-data https://ccdb.horizonshield.dev/mcp
Add to Cursor

What the publisher says

From the HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) repository's README, as published. We do not edit it. Read it on GitHub

🛡️ HORIZON SHIELD

Verifiable construction estimate auditing for AI agents

Don't trust the estimate. Verify it.

An MCP server that lets AI agents check whether a Japanese construction or renovation estimate is fair, against open data, and returns a result anyone can verify against Bitcoin (OpenTimestamps). No account, no key.

Independent evidence, as of 2026-09-30

What people who do not work for this project have measured, signed or reproduced. Every row links to something you can fetch and recompute. The last two rows are the counts that are still small, stated as plainly as the rest.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

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

Is HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) MCP server safe?
Yes, by our scan: it is graded A (88/100). Read the HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) safety report
How do I install HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States)?
It runs remotely at ccdb.horizonshield.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) maintained?
The last commit was 32 days ago (2026-10-02). The latest release is v1.0.0.
Is HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) compare with other MCP servers?
safety score 88/100 (higher than 75% of 48,255 servers); tools 15 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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