io.github.shuffle-works/sparkforensics-mcp
sparkforensics
Is the io.github.shuffle-works/sparkforensics-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
MCP server for diagnosing Apache Spark event-log performance issues and comparing runs.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y sparkforensics-mcp@0.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sparkforensics 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.9k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 2.0k. The o200k_base estimate is 1.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/shuffle-works/sparkforensics
- Registry
- active, updated 2026-09-06 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.86×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| evaluate_budgets | 682 | 366 | 35 % |
| diagnose_run | 440 | 236 | 23 % |
| compare_runs | 417 | 224 | 22 % |
| get_run_summary | 248 | 133 | 13 % |
| get_finding_evidence | 151 | 81 | 8 % |
Compare this server with others.
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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.