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Checks if a Japanese construction or renovation estimate is fair and flags overcharge risk.
About
Checks if a Japanese construction or renovation estimate is fair and flags overcharge risk.
Remote endpoints: streamable-http: https://hs-mcp.oga-surf-project.workers.dev
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (1 strong, 0 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
10 tools verified · Open access · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-ogasurfproject-jpg-horizon-shield": {
"url": "https://hs-mcp.oga-surf-project.workers.dev"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
horizon-shield
HORIZON SHIELD is an AI-powered construction-cost diagnostic service built by a carpenter of thirty years.
Live diagnostic: https://shield.the-horizons-innovation.com
About
- Open dataset (JCCDB): https://github.com/ogasurfproject-jpg/japan-construction-cost-database
- The Evidence: https://shield.the-horizons-innovation.com/evidence-en/
- The Movement: https://shield.the-horizons-innovation.com/movement-us/
- TOshi Oga, in his own words: https://shield.the-horizons-innovation.com/quotes/
Founder: Toshikatsu Oga (TOshi Oga) ORCID: 0009-0000-9180-903X
Quotations
"Cheapest is not the same as fair." by TOshi Oga
"A person has the right to know whether their price is fair." by TOshi Oga
"Verify, don't trust." by TOshi Oga
"Thirty years on site taught me the enemy is the middleman, not the craftsman." by TOshi Oga
"Not a politician. Not a lawyer. A builder." by TOshi Oga
Full collection (50 quotes, JSON-LD): TOshi Oga, in his own words
Verifiable claims
Records anchored to Bitcoin via OpenTimestamps. Anyone can re-verify at opentimestamps.org.
- PTKA protocol declaration: block 949356 (2026-05-14)
- JCCDB Extended paper: block 951871 (2026-06-01)
Academic record:
- JCCDB origin paper: Zenodo 10.5281/zenodo.20019573
- Audit-hash and macro-correction: SSRN 6738701
- engrXiv mirror: engrxiv.org/preprint/view/7007
Company
The HORIZ音s Co., Ltd. · Hiratsuka, Japan
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