mcpcost

io.github.yipihey/scix

SciX / NASA ADS

Is the SciX / NASA ADS MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Search the astronomy and physics literature (SciX / NASA ADS): papers, citations, metrics, BibTeX.

alive probed 2026-11-14 · unchanged since 2026-10-31

12tools
2.7ktokens in Claude Opus 5.5
1.3 %of Claude's 200k window
1.1×the median server
84 msto initialize
6 msto list tools
Run it
uvx scix-client@0.4.1 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
scix-mcp 0.4.1
Capabilities
resources, tools
Instructions
632 characters
Of a 1M window
0.3 % of a 1M context window
Count
2.7k tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 2.8k. The o200k_base estimate is 1.5k. Counted again when the tool definitions change. Method.
Repository
https://github.com/yipihey/scix-client
Website
https://github.com/yipihey/scix-client
Registry
active, updated 2026-10-22 · registry entry
Changes
2 recorded, reachable in 1 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, 1.76×.

Tool≈ Claude tokenso200k estimateShare of this server
scix_search50928919 %
scix_library_documents43524716 %
scix_library35520213 %
scix_resolve_reference28516211 %
scix_export1881077 %

Compare this server with others.

More servers

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

Servers that mention nasa.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-31 07:43alive84 ms122.7k1.5k
2026-10-24 06:40install failed

Badge for the README

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.

Atom feed

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.

For the publisher