startup-hook-skill

You can automate environment setup for Claude Code web sessions by generating a SessionStart hook that installs dependencies and prepares tests and linters. This removes manual configuration steps and provisions a ready-to-run testing environment when a new session starts.

A SessionStart hook is an automation script triggered when a Claude Code web session initializes. It works with devops automation by idempotently installing project dependencies and configuring linters, ensuring the environment is prepared without requiring manual intervention or interactive prompts.

You can use startup hooks for both new repositories and existing projects. The hook registers into .claude/settings.json and applies idempotent behavior, safely configuring the testing and linting environment across sessions without duplicating setup steps or breaking existing configurations.

You can configure a non-interactive startup hook by creating a self-contained workflow script that installs dependencies and starts tests. The hook integrates into .claude/settings.json and runs automatically on session start, satisfying continuous integration requirements without needing manual input.

The best way to ensure idempotent behavior when starting tests is to deploy a self-contained SessionStart hook that registers in .claude/settings.json. This approach safely prepares the environment and installs dependencies idempotently, preventing duplicate runs or configuration conflicts across multiple session restarts.

No, you do not need to manually edit settings.json to register a startup hook. The automation process handles project integration by registering the generated SessionStart hook directly into .claude/settings.json, ensuring the dependency installation and linting configuration are applied automatically.