mcpcost

io.github.taku1211/bango-mcp

Bango API(法人番号・インボイス)

Is the Bango API(法人番号・インボイス) MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.

Find Japanese companies by name; get corporate numbers, addresses and invoice (T-number) status.

alive probed 2026-11-15 · unchanged since 2026-11-09

4tools
2.1ktokens in Claude Opus 5.5
1.0 %of Claude's 200k window
0.8×the median server
334 msto initialize
16 msto list tools
Run it
npx -y bango-mcp@0.1.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
bango-mcp 0.1.0
Capabilities
tools
Instructions
328 characters
Of a 1M window
0.2 % of a 1M context window
Count
2.1k tokens in Claude Opus 5.5, exact, measured 2026-11-09. With the Claude Code prefix mcp__…__ on each tool name: 2.1k. The o200k_base estimate is 1.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/taku1211/bango-mcp
Website
https://bango-api.jp
Registry
active, updated 2026-11-09 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.54×.

Tool≈ Claude tokenso200k estimateShare of this server
bango_find_company60439329 %
bango_match_companies53835026 %
bango_check_invoice47530923 %
bango_get_company44128721 %

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Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention bango or インボイス or 法人番号.

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mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

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