io.github.codespar/mcp-niubiz

mcp-niubiz

Is the io.github.codespar/mcp-niubiz MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

MCP server for Niubiz — Peru card acquirer: security token, session, authorize, reverse

alive probed 2026-11-14 · unchanged since 2026-10-30

4tools

1.0ktokens in Claude Opus 5.5

0.5 %of Claude's 200k window

0.4×the median server

293 msto initialize

5 msto list tools

Run it: npx -y @codespar/mcp-niubiz@0.1.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: mcp-niubiz 0.1.0
Capabilities: tools
Instructions: 281 characters
Of a 1M window: 0.1 % of a 1M context window
Count: 1.0k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 541. Counted again when the tool definitions change. Method.
Repository: https://github.com/codespar/mcp-dev-latam
Registry: active, updated 2026-07-04 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.88×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
authorize_transaction	399	212	39 %
create_session_token	309	164	30 %
reverse_transaction	166	88	16 %
get_security_token	145	77	14 %

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

Servers that mention niubiz or authorize or acquirer.

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

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