mcpcost

io.github.Maverick0351a/rapidbm25

rapidbm25

Is the rapidbm25 MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

Fast local BM25 keyword search over texts or a code/docs folder. Rust core, no network.

alive probed 2026-11-15 · unchanged since 2026-11-13

5tools
798tokens in Claude Opus 5.5
0.4 %of Claude's 200k window
0.3×the median server
586 msto initialize
3 msto list tools
Run it
uvx rapidbm25@0.2.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
rapidbm25 0.2.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
798 tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 853. The o200k_base estimate is 443. Counted again when the tool definitions change. Method.
Repository
https://github.com/Maverick0351a/rapidbm25
Website
https://github.com/Maverick0351a/rapidbm25
Registry
active, updated 2026-11-12 · 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 tokenso200k estimateShare of this server
bm25_index_path29716537 %
bm25_index_texts24513631 %
bm25_search1337417 %
bm25_drop_index68389 %
bm25_list_indexes54307 %

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mcpcost: alive

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

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