io.github.daedalus/mcp-numpy

mcp-numpy

Is the io.github.daedalus/mcp-numpy MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

An MCP server that exposes NumPy functionality

alive probed 2026-11-14 · unchanged since 2026-11-13

72tools

11ktokens in Claude Opus 5.5

5.5 %of Claude's 200k window

4.4×the median server

9.5 sto initialize

658 msto list tools

Run it: uvx mcp-numpy@0.1.0 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: mcp-numpy 4.1.8
Capabilities: logging, prompts, resources, tools
Instructions: none
Of a 1M window: 1.1 % of a 1M context window
Count: 11k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 6.1k. Counted again when the tool definitions change. Method.
Repository: https://github.com/daedalus/mcp-numpy
Registry: active, updated 2026-03-30 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.80×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
np_randint	266	148	2 %
np_histogram	242	135	2 %
np_split	232	129	2 %
np_sum	228	127	2 %
np_std	226	126	2 %

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

Servers that mention numpy.

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.