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.
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Power-user local CLI patcher with verifiable bundle patches for tool ergonomics (bat-style reads, batched edits, output tails), prompt/guidance cleanup, agent and skill controls, workflow UX (max effort, queued drafts, compact-execute), runtime guards, cache/session behavior, and native repacking.
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