npx claudepluginhub utakatakyosui/c2lab --plugin obsidian-knowledgeDefined in hooks/hooks.json
{
"UserPromptSubmit": [
{
"hooks": [
{
"type": "command",
"command": "python3 \"${CLAUDE_PLUGIN_ROOT}/hooks/scripts/vault-recall.py\""
}
],
"matcher": ""
}
]
}"Runs Node.js hook-wrapper script on UserPromptSubmit events to automate actions before each user prompt processing. No bash or file writes."