HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) MCP server
online · 100% uptimeAgent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
2 stars
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HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) tools (5, 1 write)
write = sends, deletes, buys or postsdraft_broadcastFreeある工事の過剰請求への注意喚起を発信する下書き(note用長文・X用短文)を生成し、HORIZON SHIELDの該当解説ページ(実在URL)への被リンクを添える。価格はKIRA(検証可能SHA-256付き)の一次データのみ。推測の数字は入れない。下書きであり公開前に運営者が最終版にする(自動投稿しない)。 / Generates broadcast DRAFTS with backlinks. Verifiable first-party prices only. Draft; operator finalizes. No auto-posting. USE WHEN: the operator wants note/X draft text warning about overcharging for a given work type. DO NOT USE WHEN: the caller wants a verdict on a specific quote (call intake_estimate) or the tactic list itself (call scan_tactics). Output is a DRAFT for a human to finalise. This tool never posts.
intake_estimateFree施主の建設・リフォーム見積もりを受け付け、HORIZON SHIELD KIRA(内部・中立)の適正価格診断へ橋渡しする集客窓口。工事名と業者提示額を渡すと、適正かどうかの判定と、無料の第三者チェック(EHN)への導線を返す。価格の断定はせず、確認すべき点を渡す。 / Intake desk: bridges a homeowner quote to the KIRA fair-price audit and returns the verdict plus a free third-party check (EHN) path. USE WHEN: a homeowner has a specific quoted price for a named construction or renovation work item in Japan and wants to know whether that price is reasonable. DO NOT USE WHEN: there is no price yet (call ask), the caller wants the known overcharge tactics rather than a verdict on their own quote (call scan_tactics), or the caller wants publishable text (call draft_broadcast). Returns a verdict and a free third-party check path. It does not draft or post.
route_requestFreeCheck whether a construction or renovation quote in JAPAN is fairly priced, against the open JCCDB (526,128 records: line items and observations) and Bitcoin-anchored verification records. Single entry point: pass one sentence. USE WHEN: the user has a quote or a price for building/renovation work in Japan and wants to know if it is reasonable; or wants to check a HORIZON SHIELD receipt or a jidec: citation; or asks about overcharging tactics used by contractors; or is looking for a verified contractor. DO NOT USE WHEN: the work is outside Japan; the question is not about construction or renovation; the user has already signed or paid and needs consumer-protection help; or there is an active emergency (gas smell, collapse, water not stopping). In those cases this tool does not answer - it returns the appropriate outside destination instead, and says so. Every reply carries verify (a URL that checks the answer) and limits (what the answer does NOT prove). Routing is a deterministic keyword table, not an LLM, so the same input always routes the same way. Examples: "is 800,000 yen high for exterior wall painting?" / "is jidec:entry:9 genuine?" / "how do I refuse a door-to-door sales pitch?" 日本の建設・リフォーム見積もりが適正かを確認する単一入口。日本語の一文で渡してよい。適正診断・台帳(JIDEC)の記録検証・過剰請求の手口・検証済み加盟店の4方向へ決定的に振り分ける。日本国外/建設以外/契約後の紛争/緊急時は**答えずに適切な外部の窓口を返す。**返り値には必ず verify(検証URL)と limits(証明していないこと)が入る。
run_full_auditwrite actionFree1回の呼び出しで HORIZON SHIELD の集客→診断→注意喚起→発信を一気通貫で回す司令塔。work(と任意の quoted_price)を渡すと、内部で intake(KIRA適正診断)・scan_tactics(検証済み手口+一次ソース)・draft_broadcast(発信下書き+被リンク)を順に実行し、結果を1つに束ねて返す。価格は検証可能な一次データのみ。発信は下書きで自動投稿しない。 / One-call orchestrator returning audit + tactics + broadcast draft. Verifiable first-party prices only. Drafts only, no auto-posting. USE WHEN: the caller wants all three steps (audit, tactics, broadcast draft) for one named work item in a single call and will act on the combined result. DO NOT USE WHEN: only one step is needed. Call intake_estimate for a verdict on a specific quote, scan_tactics for the documented overcharge tactics, or draft_broadcast for publishable text. If the request is still a free-form question with no work item, call ask first. This tool never posts anything.
scan_tacticsFreeある工事・キーワードに関する『過剰請求の手口』を、HORIZON SHIELD(大賀俊勝30年監修)の検証済みデータ(内部KIRA)から返し、一次ソース(国民生活センター/消費者庁/EHN実例ボード)の在処を添える。価格判定ではなく注意喚起。推測で新事例を断定しない。 / Returns verified overcharge tactics and points to primary sources. Awareness, not a price verdict. USE WHEN: the caller wants the documented overcharge tactics for a work type or keyword, together with their primary sources. DO NOT USE WHEN: the caller has their own quote and wants a verdict on it (call intake_estimate), or wants publishable text (call draft_broadcast). This returns awareness material and never a price verdict on a specific quote.
Public scan report
scanner v0.1.10 · 2026-10-16 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 460ms20/20
- Tool poisoning5 tool descriptions checked15/15
- Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner6/10
Findings (1)
- highWrite-action tools reachable without authentication
auth.open-write
How HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) compares
Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 79/100
- higher than 58% of 4,461 AI and agents servers
- Tools
- 5
- the typical AI and agents server has 6
- Tools that change things
- 20%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote AI and agents server answers 100%
- Response time
- 99 ms
- faster than 85% of 2,334 AI and agents servers
- GitHub stars
- 2
- more than 65% of 2,713 AI and agents servers
What its tools let an agent do: 4 read · 1 run or deploy
Install HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) in Claude Code, Cursor or VS Code
claude mcp add --transport http horizon-shield-webmcp https://web.horizonshield.dev/mcp
What the publisher says
From the HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) 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.
NENRIN: tree rings for AI facing services
A tree adds one ring a year. Nobody can paint one in afterwards. NENRIN gives that property to software services.
In one thirty day window, measured 2026-08-17, this server appeared in 93,983 AI search results. How many of those became a call from outside, we cannot say. The usage counter deliberately stores no IP addresses, so it cannot separate our own automated checks from external traffic. An earlier version of this paragraph said the answer was 0. This instrument cannot establish that, so the claim is withdrawn here rather than quietly deleted. Discovery is solved. Choice is not. An agent picking between 90,000 servers can only read what each vendor wrote about itself. NENRIN adds the missing layer: records of conduct that the vendor did not author and cannot delete.
How it works, in three lines:
- Open witnessing. Anyone can measure any endpoint and submit the walk to the public ledger under their own name and vantage. The operator holds no veto: acceptance is mechanical schema checking, and the code that enforces this is in this repository.
- Discrepancies are the product. When two witnesses report incompatible observations of the same target, the disagreement itself becomes a permanent, citable record. The founding one is real: NENRINDISCREPANCY0001, two honest witnesses, one target, both correct.
- Rings. Each month the accepted records bundle into a ring that carries the hash of the previous ring, timestamped to Bitcoin. Eighteen months of rings cannot be created in an afternoon, by anyone, including us.
The specification is anchored on the public ledger as entry 19 (sha256 9ccba2e325fd2a555fcdb2dec519b8c6bf7a669064674846aea98ecfff824e3d): NENRINSPECv1.md. It names its own prior art (Certificate Transparency, Rekor, in-toto, SLSA, OpenTimestamps), states exactly which combination is claimed as new, and invites refutation into the same ledger.
The witness intake is live. Start here:
curl -s https://ledger.horizonshield.dev/witnessWe are the first test subject under our own rules. The ledger keeps the record of our gate failing its own test, and the full 522 incident that started all of this. Unflattering records stay.
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA): common questions
- Is HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) MCP server safe?
- Mostly: it is graded B (79/100). Read the HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) safety report
- How do I install HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA)?
- It runs remotely at web.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 Estimate Auditor for Japan (KIRA) 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 Estimate Auditor for Japan (KIRA) maintained?
- The last commit was 20 days ago (2026-10-16). The latest release is v1.0.4.
- Is HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- What can I use instead of HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA)?
- Servers from other publishers that do the same job: Emilia Protocol MCP server, Agoragentic Agent OS MCP server and DataSinking MCP server.
- How does HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA) compare with other AI and agents MCP servers?
- safety score 79/100 (higher than 58% of 4,461 AI and agents servers); tools 5 (the typical AI and agents server has 6); tools that change things 20% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA)
Same job from other publishers: the closest match first, then the best rated.
- Emilia ProtocolExact-action approval for consequential agent actions: request, track, and verify signed receipts.not reviewedEstablishedB
Agoragentic Agent OS MCPTriptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.not reviewedEstablishedB- DataSinkingFull-text financial reports (US, China, Japan, Korea, Taiwan, UK) as clean Markdown for RAG agents.not reviewedEstablishedA
- three.ws BillingAn agent's account economics — plan quotas, metered usage, invoices, receipts, and earnings.not reviewedEstablishedB
- AuscaPay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.not reviewedEstablishedA