io.github.matematicsolutions/mcp-nsa

mcp-nsa

Is the io.github.matematicsolutions/mcp-nsa MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-08.

MCP server for Polish administrative court rulings (NSA/WSA) via CBOSA with citations.

alive probed 2026-11-14 · unchanged since 2026-11-08

3tools

1.6ktokens in Claude

0.8 %of Claude's 200k window

0.6×the median server

392 msto initialize

7 msto list tools

Run it: npx -y @matematicsolutions/mcp-nsa@1.4.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: mcp-nsa 1.4.0
Capabilities: tools
Instructions: 3 061 characters
Of a 1M window: 0.2 % of a 1M context window
Count: 1.6k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 1.6k. The o200k_base estimate is 920. Counted again when the tool definitions change. Method.
Repository: https://github.com/matematicsolutions/mcp-nsa
Registry: active, updated 2026-10-13 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.69×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
search	1 097	648	70 %
get_judgment	254	150	16 %
search_by_case	206	122	13 %

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

Servers that mention matematicsolutions.

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

Probed	Result	Init	Tools	Claude	o200k
2026-10-25 06:55	alive	418 ms	3	1.6k	920
2026-10-18 06:41	alive	392 ms	3		920

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.