npx claudepluginhub betamatt/claude-plugins --plugin specDefined in hooks/hooks.json
{
"SessionStart": [
{
"hooks": [
{
"type": "prompt",
"prompt": "Check if a specs/ directory exists in the project. If it does, briefly mention that specification-driven development commands are available (/spec:create, /spec:validate, /spec:decompose, /spec:execute, /spec:implement). Keep this mention concise - one sentence maximum."
}
]
}
]
}"On SessionStart, asynchronously runs Python script ./scripts/main.py hooks via uv in plugin root directory, setting PLUGIN_NAME=naming env var (300s timeout)."