mcpcost

io.github.genesis-plan/lingjing

LingJing

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

LingJing classroom MCP: human teaches, AI student questions; returns blindspots & summary.

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

1tools
393tokens in Claude Opus 5.5
0.2 %of Claude's 200k window
0.2×the median server
230 msto initialize
36 msto list tools
Run it
npx -y lingjing-classroom-mcp@1.0.2 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
lingjing-classroom-mcp 1.0.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
393 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 402. The o200k_base estimate is 243. Counted again when the tool definitions change. Method.
Repository
https://github.com/genesis-plan/lingjing
Website
https://hongchenlingjing.com/
Registry
active, updated 2026-10-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.62×.

Tool≈ Claude tokenso200k estimateShare of this server
lingjing393243100 %

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