Build your settings.json

Pick hooks, optionally paste your existing settings, export one merged JSON. Everything runs in your browser - nothing is uploaded.

1. Pick hooks

Block commits that contain secretsPreToolUse / Bash - Intercepts git commit commands and runs gitleaks on staged changes first.Block destructive shell commandsPreToolUse / Bash - Blocks rm -rf, disk tools, force pushes, and destructive git commands before they run.Block writes outside the repoPreToolUse / Edit|Write - Stops Edit/Write calls whose target path resolves outside the project root.Compact audit trail on stopStop - Appends a one-line JSON record to a local audit log every time Claude finishes a turn.ESLint after JS/TS editPostToolUse / Edit|Write - Runs eslint --fix on JavaScript and TypeScript files after Claude edits them, and warns (never blocks) on remaining problems.Full check before task completionTaskCompleted - Blocks Claude from marking a task completed while your project check fails.gofmt after Go editPostToolUse / Edit|Write - Runs gofmt -w on Go files after Claude edits them.Log tool failures for debuggingPostToolUseFailure / Bash|Edit|Write - Writes a structured JSONL record whenever a Bash, Edit, or Write call fails - the debugging trail you wish you had last week.Notify when Claude needs inputNotification / permission_prompt|idle_prompt|agent_needs_input - Desktop notification when Claude asks for permission or goes idle waiting for you.Notify when the agent completesNotification / agent_completed - Desktop notification when Claude finishes a turn - useful for long unattended runs.Prettier after editPostToolUse / Edit|Write - Runs Prettier on any JS/TS/JSON/CSS/Markdown file right after Claude edits it.Protect .env and secret filesPreToolUse / Edit|Write - Blocks Claude from writing to .env files, keys, and credential files - unless you say otherwise.Re-inject project context after compactionSessionStart / compact - Restores your project's key facts into Claude's context right after a compaction wipes the details.Ruff after Python editPostToolUse / Edit|Write - Runs ruff check --fix on Python files after Claude edits them.Run the nearest test after an editPostToolUse / Edit|Write - Finds the test file that belongs to the file Claude just edited and runs it, in the background.rustfmt after Rust editPostToolUse / Edit|Write - Runs rustfmt on Rust files after Claude edits them.Secret scan on changed filesPostToolUse / Edit|Write - Runs gitleaks on every file Claude edits and warns when something looks like a secret.Session-start repo snapshotSessionStart / startup|resume - Hands Claude a bounded snapshot - branch, dirty state, recent commits - at every session start and resume.Terminal bell on permission promptNotification / permission_prompt - Rings the terminal bell when Claude asks for permission, via the terminalSequence output field.Typecheck after TypeScript changesPostToolUse / Edit|Write - Runs tsc --noEmit in the background after Claude edits TypeScript, so type errors surface even when tests don't cover the file.

2. Existing settings (optional)

Paste your current settings.json to merge without losing anything. Parsed locally in your browser - never uploaded.

3. Export

{
  "hooks": {}
}

Save as .claude/settings.json in your project (checked into the repo to share, or not), or ~/.claude/settings.json to apply the hooks to every project. User-scope hooks and project hooks both run; project hooks add to user ones.