mcpcost

io.github.SmartMobileHouse/regon-mcp

REGON (Polish business register)

Is the REGON (Polish business register) MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-07.

Look up Polish businesses in the GUS REGON register (BIR1) by NIP, REGON, or KRS.

alive probed 2026-11-14 · unchanged since 2026-11-07

6tools
1.2ktokens in Claude Opus 5.5
0.6 %of Claude's 200k window
0.5×the median server
2.5 sto initialize
4 msto list tools
Run it
uvx regon-mcp@0.2.3 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
regon
Capabilities
prompts, resources, tools
Instructions
none
Of a 1M window
0.1 % of a 1M context window
Count
1.2k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.2k. The o200k_base estimate is 716. Counted again when the tool definitions change. Method.
Repository
https://github.com/SmartMobileHouse/regon-mcp
Registry
active, updated 2026-11-04 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.65×.

Tool≈ Claude tokenso200k estimateShare of this server
list_report_types35921730 %
search_bulk27916924 %
get_full_report17510615 %
search_by_nip1609714 %
search_by_regon106649 %

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

Servers that mention regon.

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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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A mail when this server changes

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

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