mcpcost

io.github.jbeshir/wanikani-mcp

WaniKani

Is the WaniKani MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Read WaniKani SRS data: profile, reviews, assignments, subjects, and level progressions.

alive probed 2026-11-15 · unchanged since 2026-10-27

6tools
1.3ktokens in Claude Opus 5.5
0.7 %of Claude's 200k window
0.5×the median server
73 msto initialize
4 msto list tools
Bundle
https://github.com/jbeshir/mcp-servers/releases/download/wanikani-v1.0.1/wanikani-mcp.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
Host
github.com
Reports itself as
wanikani 0.1.0
Capabilities
logging, tools
Instructions
none
Of a 1M window
0.1 % of a 1M context window
Count
1.3k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 1.4k. The o200k_base estimate is 719. Counted again when the tool definitions change. Method.
Repository
https://github.com/jbeshir/mcp-servers
Registry
active, updated 2026-10-26 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.

Tool≈ Claude tokenso200k estimateShare of this server
get_assignments46225535 %
get_subjects30416823 %
get_review_statistics27515221 %
get_level_progressions123689 %
get_user74416 %

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

Servers that mention wanikani or progressions or assignments.

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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.

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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.

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