mcpcost

io.github.subimpact/nimbooks-mcp

NimBooks

Is the NimBooks MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-10.

Read-only Nimiq books: balances, history, statements, staking, payment and stake links. Never signs.

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

11tools
4.5ktokens in Claude Opus 5.5
2.3 %of Claude's 200k window
1.8×the median server
255 msto initialize
47 msto list tools
Run it
npx -y nimbooks-mcp@1.3.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
nimbooks-mcp 1.3.1
Capabilities
tools
Instructions
677 characters
Of a 1M window
0.4 % of a 1M context window
Count
4.5k tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 4.7k. The o200k_base estimate is 2.8k. Counted again when the tool definitions change. Method.
Repository
https://github.com/subimpact/nimbooks-mcp
Website
https://nimbooks.subimpact.net/mcp/
Registry
active, updated 2026-11-10 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.60×.

Tool≈ Claude tokenso200k estimateShare of this server
project_yield57135713 %
create_payment_request52332712 %
get_rewards50131311 %
get_summary48330211 %
get_statement48230111 %

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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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