whyreach for Claude Code

io.github.sandstrompl/whyreach

Read-only Docker network diagnosis: why one container can't reach another, with evidence.

client:Claude Code transport:stdio runtime:oci

Install whyreach in Claude Code

run in your project directory

claude mcp add whyreach -- docker run -i --rm ghcr.io/sandstrompl/whyreach:0.1.0

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs