Karl Isenberg karlkfi

PreToolUse multi-hook probe harness

Measures how Claude Code composes multiple PreToolUse hooks matching a single tool call. Built for anthropics/claude-code#83353 and #66203.

Two files, no directory structure to recreate. run-probes.sh scaffolds the isolated project, the plugin, and the per-scope settings files next to itself on first run.

	#!/bin/bash

	# This script recursively counts the number of Kubernetes objects in YAML and JSON files within a directory.
	# It uses `yq` to parse YAML and JSON, prints the object count for each file,
	# and also prints the total count for each directory. It errors if the total object count exceeds 2000.
	# It skips directories that start with "."

	set -euo pipefail

	# --- Configuration ---

	apiVersion: mutations.gatekeeper.sh/v1
	kind: Assign
	metadata:
	name: kube-system-node-selector
	spec:
	applyTo:
	- groups: [""]
	kinds: ["Pod"]
	versions: ["v1"]
	match:

	# In a Starlark context that doesn't support json or recursion,
	# you might become desperate enough to do something crazy like this...

	def quoteIfString(obj):
	if type(obj) == "string":
	return '"' + obj + '"'
	else:
	return obj

	def jsonEncode(obj):

	#!/usr/bin/env bash

	set -o errexit -o nounset -o pipefail

	PKG_PATH="${1:-.}"

	if ! hash jq 2>/dev/null; then
	echo >&2 "Error: jq not found. Please install jq: https://stedolan.github.io/jq/download/"
	fi

	#!/usr/bin/env bash

	# Convert a bash script into an asciinema recording

	set -o errexit -o nounset -o pipefail

	INPUT_FILE=${1:-}
	if [[ -z "${INPUT_FILE}" ]]; then
	echo "Syntax: $0 <path/to/bash-scipt.sh> <path/to/out.cast>"
	exit 1

	#!/usr/bin/env bash

	# Convert a bash script into an asciicast recording

	set -o errexit -o nounset -o pipefail

	USER=karl
	WORKDIR="~/workspace"
	PROMPT="\u001b]0;Cloud Shell\u0007${USER}@cloudshell:\u001b[1;34m${WORKDIR}\u001b[00m$ \u001bkcloudshell\u001b\\\\"

	---
	apiVersion: kind.x-k8s.io/v1alpha4
	kind: Cluster
	networking:
	# expose to private network
	apiServerAddress: "0.0.0.0"
	# fixed port so Vault auth backend can find the API
	apiServerPort: 32769
	kubeadmConfigPatchesJSON6902:
	- group: kubeadm.k8s.io

	#!/usr/bin/env bash

	# Exit on error, unset variable, or error in pipe chain
	set -o errexit -o nounset -o pipefail

	# For setenforce & xfs_info
	PATH=$PATH:/usr/sbin:/sbin

	echo "Validating distro..."
	distro="$(source /etc/os-release && echo "${ID}")"

Karl Isenberg karlkfi

PreToolUse multi-hook probe harness

Requirements