io.github.SandstromPL/whyreach
whyreach
Is the whyreach MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Read-only Docker network diagnosis: why one container can't reach another, with evidence.
alive probed 2026-11-14
4tools
1.1ktokens in Claude Opus 5.5
0.6 %of Claude's 200k window
0.4×the median server
187 msto initialize
3 msto list tools
- Run it
- docker run -i --rm ghcr.io/sandstrompl/whyreach:0.1.0 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- whyreach 0.1.0
- Capabilities
- logging, tools
- Instructions
- 468 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.1k tokens in Claude Opus 5.5, exact, measured 2026-11-14. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 693. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/SandstromPL/whyreach
- Website
- https://github.com/SandstromPL/whyreach
- Registry
- active, updated 2026-11-14 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.61×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| diagnose_connection | 429 | 267 | 39 % |
| run_probe | 313 | 195 | 28 % |
| inspect_environment | 211 | 131 | 19 % |
| save_report | 161 | 100 | 14 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- MaxGraph io.github.RuMemory/maxgraph · not probed
- io.github.Runewardd/runeward · not found
- io.github.SamYuan1990/i18n-agent-action · not probed
- ScienceLogo io.github.ScienceLogo/sciencelogo-mcp · alive
- Gramps Web MCP io.github.Scormave/gramps-web-mcp · needs env
- shaft-mcp io.github.ShaftHQ/shaft-mcp · alive
- Memory Engine MCP io.github.SimoneB79/memory-engine-mcp · not probed
- io.github.STR-Consulting/pacer-mcp · alive
Servers that mention container or diagnosis.
- ARPI MCP ai.arpi/arpi-mcp · no DNS
- Willform Agent ai.willform/willform-agent · no DNS
- Narracore Screenplay Formatter cn.narracore/screenplay-formatter · alive
- com.containermath/cbm · alive
- com.googleapis.container/mcp · alive
- Kubova — 3D Container Loading com.kubova/container-loading · alive
- RQM Robotics Jobs com.rqmtechnologies/robotics · alive
- Trade & Logistics Evidence com.timzinin.api/trade-logistics · alive
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.