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.
Connector by ogasurfproject-jpg · GitHub account verified by the MCP Registry
Chalk Labs
Need help deploying HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States)?
Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.
Install
Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install connector/ogasurfproject-jpg-construction-cost-data
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
Remote endpoint
https://ccdb.horizonshield.dev/mcpRemote (HTTP)
Get the weekly diff
The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.
About
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.
- Tools
- 15 read · 0 write · 0 deleteRead-only
- Secrets
- None asked for
- Install scripts
- Nothing to install (hosted)
- Runs as
- Hosted (remote endpoint)
Tools by what they do 15
From the running server's own tool list (tools/list) on Oct 25, 2026.
Read 15 · Look things up without changing anything.
compare_jccdb_regionsget_jccdb_coverageget_jccdb_index_seriesget_jccdb_labor_rateget_jccdb_observationsget_jccdb_work_unit_priceget_us_area_factorget_us_construction_pricesget_us_contract_discountsget_us_import_landed_costget_us_permitsget_us_prevailing_wage
Show 3 more tools
get_us_price_chainget_us_trade_marginssearch_jccdb_items
Network hosts it talks to 1
ccdb.horizonshield.dev· found in remote endpoint, install command
Files it touches
- Any path the agent passes to its tools
Tools (15)
As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].
compare_jccdb_regionsCompare JCCDB Values Across Regions (latest)read-only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_coverageGet JCCDB Observation Coverage (what exists, what does not)read-onlyJCCDB 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_seriesGet Construction Cost Index Series with Year-over-Year Changeread-only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_rateGet Public-Works Design Labor Rate (Japan)read-only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_observationsGet JCCDB Observations (region, date, price status; Japan and U.S.)read-only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_priceGet Public-Works Unit Prices for Work Items (Japan)read-only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_factorGet U.S. Location Cost Factors (DoD Area Cost Factor, USACE state adjustment)read-only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_pricesGet U.S. Construction Prices (all layers: prevailing wages, wages, bids, equipment, permits, indexes, cost limits)read-only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, equi…
get_us_contract_discountsGet U.S. Public Contract Discount Rates off List Price (kake ratio)read-only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_costGet U.S. Landed Import Cost by HS Code and Partner Countryread-only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_permitsGet U.S. Building Permits (counts, valuation, per unit, city quartiles)read-only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_wageGet U.S. Davis-Bacon Prevailing Wages (base and fringe)read-only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_chainGet U.S. Material Price Chain (landed import cost to wholesale, retail and contractor)read-only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 (C…
get_us_trade_marginsGet U.S. Wholesale and Retail Gross Margins (Census) and BEA Margin Structureread-only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_itemsSearch JCCDB Line Itemsread-only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.
Signals
- Stars
- 2
- Forks
- 6
- Open issues
- 23
- Last commit (this folder)
- Oct 8, 2026 (23 days ago)
- Last release
- Oct 4, 2026 (27 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Registry name
io.github.ogasurfproject-jpg/construction-cost-data- Version
- 1.0.0
- Auth
- Auth not stated
- License
- MIT
- Website
- ccdb.horizonshield.dev/
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
More from ogasurfproject-jpg
- 0.622score

JIDEC: Bitcoin-anchored public verification ledger (NENRIN)
ogasurfproject-jpg
Read agents' Bitcoin-anchored conduct history (NENRIN) and cite and recompute ledger records.
ConnectorAFreshness: ARemoteRead-only★ 2Claude Code +3 - 0.622score

MCP Observatory: one read only walk over every https endpoint in the official…
ogasurfproject-jpg
Public record of one read only walk over the official MCP registry: who answered, tools, who pays.
ConnectorAFreshness: ARemote★ 2Claude Code +3 - 0.622score

HORIZON SHIELD YAKUMO (verified contractor directory)
ogasurfproject-jpg
Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).
ConnectorAFreshness: ARemoteRead-only★ 2Claude Code +3 - 0.622score

Yakumo verified contractor No.001: Reform Shokunin Co., Ltd. (Aichi, Japan)
ogasurfproject-jpg
Verified profile of Reform Shokunin Co., Ltd., a Yakumo member renovation contractor in Aichi.
ConnectorAFreshness: ARemoteRead-only★ 2Claude Code +3 - 0.622score

Yakumo verified contractor No.002: Mineo Toyo Juki Co., Ltd. (Shonan, Japan)
ogasurfproject-jpg
Verified profile of Mineo Toyo Juki, a window and entrance door contractor in Shonan, Japan.
ConnectorAFreshness: ARemoteRead-only★ 2Claude Code +3 - 0.622score

MCP Verification Gate: check an MCP server or an A2A agent before you connect…
ogasurfproject-jpg
Check an A2A agent before you delegate, or an MCP server's measured conduct.
ConnectorAFreshness: ARemoteRead-only★ 2Claude Code +3
Done for you
Rather not set it up yourself?
Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
Get HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) running in your business
Tell us what you want to automate. A founder replies within one working day with a plan, not a pitch deck.
Cite this page
HORIZON SHIELD Construction Cost Data: JCCDB (Japan) and USCCDB (United States) MCP server. Agent Mart. https://agentmart.dev/connectors/ogasurfproject-jpg-construction-cost-data (last updated 2026-10-24)