io.github.JayOfemi/shikamaru
shikamaru
Is the io.github.JayOfemi/shikamaru MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Provably correct day-count, calendar, business-day, and schedule math, verified against QuantLib.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @jayofemi/shikamaru@1.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- shikamaru 1.1.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.4k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 3.4k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/JayOfemi/shikamaru
- Registry
- active, updated 2026-06-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.72×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| generate_schedule | 769 | 448 | 23 % |
| day_count_fraction | 664 | 387 | 20 % |
| accrued_interest | 527 | 307 | 16 % |
| adjust_date | 467 | 272 | 14 % |
| add_business_days | 403 | 235 | 12 % |
Compare this server with others.
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Servers that mention business or calendar.
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- ai.aivonic/mcp · alive
- ai.astrofabric/mcp · not MCP
- Atalay ai.atalay/mcp · needs auth
- Bezal — Local Business Intelligence for AI Agents ai.bezal/local-commerce · alive
- CalendarMCP ai.calendarmcp/server · needs auth
- Calaf ai.calaf/calaf · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
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.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.