io.github.ogasurfproject-jpg/construction-cost-data

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.

alive probed 2026-10-05 · HTTP 200

15tools

11ktokens in Claude Opus 5.5

12ktokens in Claude Code

5.7 %of a 200k context window

7.8ko200k_base estimate

161 msto initialize

69 msto list tools

Endpoint: https://ccdb.horizonshield.dev/mcp (streamable-http)
Host: ccdb.horizonshield.dev
Protocol: 2025-11-25
Reports itself as: horizon-shield-construction-cost-data 1.0.0
Capabilities: tools
Instructions: 2 034 characters
Claude count: Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
Repository: https://github.com/ogasurfproject-jpg/horizon-shield
Website: https://ccdb.horizonshield.dev/
Registry: active, updated 2026-10-02 · registry entry
Reachable: 6 of the last 6 probes

Most expensive tools

Tool	Tokens (o200k)	Share of this server
get_us_construction_prices	943	12 %
get_jccdb_observations	930	12 %
compare_jccdb_regions	644	8 %
get_us_contract_discounts	642	8 %
get_us_trade_margins	557	7 %

History

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-05 15:23	alive	161 ms	15	11k	7.8k
2026-10-05 00:43	alive	192 ms	15		7.8k
2026-10-04 10:06	alive	724 ms	15		7.8k
2026-10-04 07:59	alive	599 ms	15		7.8k
2026-10-03 20:39	alive	616 ms	15		7.8k
2026-10-03 17:54	alive	172 ms	15		7.8k

Badge and feed

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.ogasurfproject-jpg/construction-cost-data.svg)](https://mcpcost.ulehla.dev/s/io.github.ogasurfproject-jpg/construction-cost-data)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.