npx claudepluginhub pokuding/my-harness --plugin my-harnessDefined in hooks/hooks.json
*node "${CLAUDE_PLUGIN_ROOT}/scripts/pre-tool-use.mjs"3msnode "${CLAUDE_PLUGIN_ROOT}/scripts/session-start.mjs"5msExecutes demo_pre_tool_use.sh before every tool use via PreToolUse (matcher *) and session_start_arm.sh on SessionStart. Supports blocking/modifying tools; runs shell commands.