Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters, themes/thinking verbs/spinners, customize input box & user message styling, support AGENTS.md, unlock private/unreleased features, and much more. Supports both native/npm installs on all platforms.
Pre-install review · source, risk, and alternatives
Trust level
92 · High trust
Strong recovered source and maintenance signals.
Risk decision
Review required
metadata-only
Install readiness
script-backed · copy-only command
SkillTrust only shows install guidance and copy actions; it never executes installs.
Supported tools can change install steps; Universal entries need source review.
metadata-only