Manage your friction domains and CLI integrations.
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Link Claude Code CLI
Paste this in your terminal to automatically configure Claude Code hooks:
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Manual config / regenerate key
Add this to ~/.claude/settings.json under hooks.UserPromptSubmit:
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Link Codex CLI
Paste this in your terminal to automatically configure Codex CLI hooks:
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Manual config / regenerate key
macOS / Linux only right now — Windows support is coming.
The one-liner also writes a small Node shim to ~/.codex/mu-ai-hook.js and enables codex_hooks = true under [features] in ~/.codex/config.toml. If configuring by hand, add this entry to ~/.codex/hooks.json under hooks.UserPromptSubmit:
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Privacy & account
mu.ai is transit-only: your prompts are processed in memory and immediately discarded — never written to disk or backups. We persist only mastery signals (domain, pass/fail, timestamps).
See the privacy policy and security summary.