MCP tool hook — Slack notification on Stop
A Stop hook that posts a message to Slack via an MCP server when Claude finishes a task.
{
"hooks": {
"Stop": [
{
"hooks": [
{
"type": "mcp_tool",
"server": "slack",
"tool": "send_message",
"input": { "channel": "#dev", "text": "Claude finished the task" }
}
]
}
]
}
}