Defined in hooks/hooks.json
{
"SessionStart": [
{
"hooks": [
{
"type": "command",
"command": "echo 'Codex plugin active. You MUST read the `collaborating-with-codex` skill before using any Codex MCP tools (codex, codex-reply, codex-review).'"
}
]
}
]
}{
"riskFlags": {
"touchesBash": false,
"matchAllTools": false,
"touchesFileWrites": false
},
"typeStats": {
"command": 1
},
"eventStats": {
"SessionStart": 1
},
"originCounts": {
"absolutePaths": 0,
"pluginScripts": 0,
"projectScripts": 0
},
"timeoutStats": {
"commandsWithoutTimeout": 1
}
}