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Copilot CLI: Hooks, MCP Servers, Skills, and Customization/Run a session-start hook script

Trigger repo automation when a session begins.

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Section: Hooks basics

Run a session-start hook script

json
json
{
  "type": "command",
  "bash": "./scripts/session-start.sh",
  "powershell": "./scripts/session-start.ps1",
  "cwd": "scripts",
  "timeoutSec": 30
}
Explanation

Session start hooks can log, bootstrap, or validate repo state before the agent proceeds.

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