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rook by TestMu AI inside Claude Code: Claude runs rook against the agent it is building and gets failures back grouped into root-cause clusters with rook's remedies, writes scenarios, a live pane with per-scenario lanes and openable failures, re-test prompts after agent edits, a status line score, /rook commands and a production-target guard.

install rook

Install

/plugin marketplace add 4DvAnCeBoY/rook-claude-plugin
/plugin install rook@rook-claude-plugin

Then run /reload-plugins or start a new session. Requires Claude Code 2.1.287+.

View source on GitHub

What it hooks into

From an automated scan with claude plugin validate, not a security review. Mods run with your permissions; read the code before installing.

Events
session.starttool.callcommand.runui.messageui.render
API calls
$.clock.after$.clock.every$.clock.now$.command.register$.config.set$.env.get$.fs.exists$.fs.list$.fs.read$.fs.write$.process.run$.process.spawn$.prompt.fill$.prompt.submit$.session.append$.state.get$.state.set$.store.get$.store.set$.tool.register$.ui.focus$.ui.invalidate$.ui.open$.ui.resolve$.ui.status$.ui.toast
Draws
ToolResultToolUseSpinnerPaneAbovePrompt
Can see
/"^mcp__rook__run$"/ calls/"^mcp__rook__report$"/ calls/"^mcp__rook__status$"/ calls/"^mcp__rook__scenarios$"/ calls/"^mcp__rook__runs$"/ calls/"^mcp__rook__agent$"/ calls/"^mcp__rook__curate$"/ calls/"^mcp__rook__generate$"/ calls/"^mcp__rook__project$"/ calls/"^mcp__rook__explore$"/ calls/"^mcp__rook__profile_test$"/ calls/"^mcp__rook__compare$"/ calls/"^mcp__rook__sync$"/ calls/"^mcp__rook__ci$"/ callsBash calls/"^(Edit|Write|MultiEdit|NotebookEdit)$"/ calls
Reach
level 2 of 3 other: $.process.spawnother: $.state.getother: $.state.setruns processeswrites fileschanges configdrives Claudewrites the prompt boxreads filesreads env varspersists statedraws

Origin

How it got here
Automated scan of public GitHub repos, via the CC0 dataset awesome-claude-code-mods (scan of ).
Repository
github.com/4DvAnCeBoY/rook-claude-plugin
Path in repo
plugins/rook
Source commit
dfa2b8c the exact code the scan read
Author
TestMu AI (formerly LambdaTest) @4DvAnCeBoY
License
Apache-2.0
First published
Last pushed
First listed here

Name and description come from the mod's own manifest. We link to the code; we don't host it, and it stays under its author's license.