02c-userconfig-in-frontmatter

References user_config.KEY in skill frontmatter hook. Validator may pass; /bin/sh should error with Bad substitution at hook execution time.

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Repository: kazukinagata/analyzing-claude-plugin
Last source activity: May 18, 2026 at 07:38
Detected SKILL.md language: Mixed languages
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data-persist

Mac Cowork で、plugin-level SessionStart hook(host 側)から $CLAUDE_PLUGIN_DATA に書いた値が「別の chat session を跨いで」残るかを検証する probe。書き込み＆読み戻しは hook(persist.sh)側で行い、その結果は SessionStart の stdout として context に出る。この skill body は対比用に「VM Bash 側から DATA が見えるか／hook が書いたファイルを読めるか」を確認する。

2026-06-01

show-upe

Surfaces UPE_PROBE_* marker lines to test whether the plugin-level UserPromptExpansion hook fires on Cowork. Invoking this skill via slash is itself the trigger; compares against UserPromptSubmit and SessionStart controls.

2026-05-30

run-pretooluse-probe

Triggers the plugin-level PreToolUse hooks by running a sentinel bash command, to test (via session export) whether Cowork runs PreToolUse hook commands through cmd.exe or a POSIX shell, and whether the inline block pattern actually blocks the bash tool.

2026-05-30

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name	02c-userconfig-in-frontmatter
description	References user_config.KEY in skill frontmatter hook. Validator may pass; /bin/sh should error with Bad substitution at hook execution time.
user-invocable	true
hooks	{"PreToolUse":[{"matcher":"Bash","hooks":[{"type":"command","command":"echo \"[02c violating] hello=${user_config.hello_message}\""}]}]}

name	02c-userconfig-in-frontmatter
description	References user_config.KEY in skill frontmatter hook. Validator may pass; /bin/sh should error with Bad substitution at hook execution time.
user-invocable	true
hooks	{"PreToolUse":[{"matcher":"Bash","hooks":[{"type":"command","command":"echo \"[02c violating] hello=${user_config.hello_message}\""}]}]}

02c-userconfig-in-frontmatter

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